Mathematics – Grade Level Assessments and Content Expectations Session 4 ~ Understanding Volume Participant Packet Module developed by Macomb County Teachers under the leadership of Marie Copeland Developers M-GLAnCE Project Directors Debbie Ferry Macomb ISD Mathematics Consultant Carol Nowakowski Retired Mathematics Consultant K-4 Project Coordinator Marie Copeland Warren Consolidated Macomb MSTC 5-8 Project Coordinator 2004 Project Contributors David Andrews Chippewa Valley Schools William Ashton Fraser Public Schools Lynn Bieszki Chippewa Valley Schools Sharon Chriss Romeo Schools Kimberly DeShon Anchor Bay School District Barbara Diliegghio Retired, Math Consultant Kimberly Dolan Anchor Bay School District Jodi Giraud L’Anse Creuse Schools Julie Hessell Romeo Schools Amy Holloway Clintondale Schools Barbara Lipinski Anchor Bay School District Linda Mayle Romeo Schools Therese Miekstyn Chippewa Valley Schools James Navetta Chippewa Valley Schools Gene Ogden Anchor Bay School District Rebecca Phillion Richmond Comm. Schools Charlene Pitrucelle Anchor Bay School District Shirley Starman Van Dyke Public Schools Ronald Studley Anchor Bay School District 2005 and 2006 Session/Module Developers Carol Nowakowski Retired, Math Consultant Deb Barnett Luann Murray Lake Shore Public Schools Genesee ISD Kathy Albrecht Retired, Math Consultant Jo-Anne Schimmelpfenneg Terri Faitel Trenton Public Schools Debbie Ferry Macomb ISD Retired, Math Consultant Marie Copeland Warren Consolidated Grade 5: Understand the concept of volume. M.TE.05.08 M.TE.05.09 M.PS.05.10 Build solids with unit cubes and state their volumes. Use filling (unit cubes or liquid), and counting or measuring to find the volume of a cube and rectangular prism. Grade 5: Know, and convert among, measurement units within a given system. M.UN.05.01 M.UN.05.02 M.UN.05.03 M.UN.05.04 Solve applied problems about the volumes of rectangular prisms using multiplication and division and using the appropriate units. Recognize the equivalence of 1 liter, 1,000 ml and 1,000 cm3 and include conversions among liters, milliliters, and cubic centimeters. Know the units of measure of volume: cubic centimeter, cubic meter, cubic inches, cubic feet, cubic yards, and use their abbreviation s (cm3, m3, in3, ft3, yd3). Compare the relative sizes of one cubic inch to one cubic foot, and one cubic centimeter to one cubic meter. Convert measurements of length, weight, area, volume, and time within a given system using easily manipulated numbers. INSTRUCTIONAL SEQUENCE: Make a cubic net of a cubic decimeter. Discover the volume of a cubic decimeter by filling and counting. Develop the relationship of a cubic centimeter to a cubic decimeter to a cubic meter. Build rectangular prisms of a given volume. Identify the length, width, and height of rectangular prisms. Identify the top, front, and side layers of rectangular prisms. Find the volume of rectangular prisms by filling layers, counting, and/or decomposing. M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 3 Revised 10.15.07 Fifth Grade Supporting Volume Measurement GLCEs Grade 5: Multiply and divide whole numbers. N.FL.05.04 Multiply a multiply a multi-digit number by a two digit number; recognize and be able to explain computational errors such as not accounting for place value. Grade 5: Understand the meaning of decimal fractions and percentages. N.FL.05.05 N.ME.05.08 Solve applied problems Understand the relative magnitude of ones, tenths, and hundredths and involving multiplication the relationship of each place value to the place to its right, e.g., 1 is and division of whole 10 tenths, one tenth is 10 hundredths. numbers. Grade 5: Multiply and divide by powers of ten. N.MR.05.15 N.FL.05.16 Multiply a whole number by powers of 10: Divide numbers by 10s, 100s, 1000s, using mental strategies. 0.01, 0.1, 1,10,100,1,000; and identify patterns. M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 4 Revised 10.15.07 N.MR.05.17 Multiply one-digit whole numbers by decimals up to two decimal places. Grade 5: Understand the concept of volume. M.TE.05.08 M.TE.05.09 M.PS.05.10 Build solids with unit cubes and state their volumes. Use filling (unit cubes or liquid), and counting or measuring to find the volume of a cube and rectangular prism. Solve applied problems about the volumes of rectangular prisms using multiplication and division and using the appropriate units. Grade 5: Know, and convert among, measurement units within a given system. M.UN.05.01 M.UN.05.02 M.UN.05.03 M.UN.05.04 Recognize the equivalence of 1 liter, 1,000 ml and 1,000 cm3 and include conversions among liters, milliliters, and cubic centimeters. Know the units of measure of volume: cubic centimeter, cubic meter, cubic inches, cubic feet, cubic yards, and use their abbreviation s (cm3, m3, in3, ft3, yd3). Compare the relative sizes of one cubic inch to one cubic foot, and one cubic centimeter to one cubic meter. Convert measurements of length, weight, area, volume, and time within a given system using easily manipulated numbers. Grade 5: Multiply and divide whole numbers. Grade 5: Understand the meaning of decimal fractions and percentages. N.FL.05.04 N.FL.05.05 N.ME.05.08 Solve applied problems Understand the relative magnitude of ones, tenths, and hundredths and Multiply a multiply a multi-digit involving multiplication the relationship of each place value to the place to its right, e.g., 1 is number by a two digit number; and division of whole 10 tenths, one tenth is 10 hundredths. recognize and be able to explain computational errors such as not numbers. accounting for place value. Grade 5: Multiply and divide by powers of ten. N.MR.05.15 N.FL.05.16 Multiply a whole number by powers of 10: Divide numbers by 10s, 100s, 1000s, using 0.01, 0.1, 1,10,100,1,000; and identify mental strategies. patterns. M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 5 Revised 10.15.07 N.MR.05.17 Multiply one-digit whole numbers by decimals up to two decimal places. Fifth Grade Participation Packet Session 4 Focus on: Volume Name of Activity I. II. Review of Metric Square Units Introduction to Volume Description of Activity ! ! ! ! ! ! th Review square meter, square decimeter, and square centimeter. Draw lines dividing poster board into 100 sq. decimeters. (Need 2 or 3 sheets.) Shade in and label one square decimeter. Shade in and label one square centimeter. To begin volume start with a 10 cm x 10 cm x 10 cm cube net. Have students make 2 cubes (without tops) from tag board. Cut them out carefully. Before putting them together, cut 10 square decimeters from cm paper and either glue or tape them onto the sides of the boxes. Have students place one row of centimeter cubes along an inside edge of one of their boxes so they can visualize the space filled. Ask questions such as: How many centimeter cubes are needed to fill in just one row? How many rows do you think will be needed to cover just the bottom layer? How many centimeter cubes will be needed to fill this layer? Since we don’t have enough cubic centimeters to fill in the bottom layer of everyone’s cubes, which size base-ten block could you use next? Materials/Handouts ! ! ! ! ! ! ! ! ! Key Tips for Presenter 2-3 sheets of poster board Base-ten blocks Square centimeter ! Refer back to this 2-dimensional poster, as necessary, for comparison when building the 3dimensional model. Tagboard with decimeter net or net template that can be traced on to tag board. Scissors Tape Glue Base-ten thousand cubes, flats, rods and centimeter cubes 2 - Square centimeter grid paper (at least 10 square decimeters per student) ! Students may have never worked with nets before so it would be a good time to show how to develop a net by using a thousand cube from the base-ten blocks as a model. Tape 6 square decimeters together to form a net that will fold into a cubic decimeter around the thousand cube. Show at least three ways that the net can be flattened out and how it is helpful to have tabs to glue together when forming the cube. Fill the rest of the bottom layer with rods. How many cubic centimeters would this be? How many rods would this be equivalent to? Which size base-ten block would the bottom layer be equivalent to? Discuss: How many flats would I need to fill the whole cubic decimeter? How many rods? Etc. Fill the rest with flats. M-GLAnCE 5 Grade – Session 4 – Understanding Volume – Participant Packet Page 6 Revised 10.15.07 ! ! ! You might want to borrow base-ten blocks from other teachers in order for each student to fill their own boxes. ! Rather than make your own decimeter cubes, you could purchase the following 4x4x4 boxes in either white or brown for $29 per 100 from: Action Bag Company 501 N. Edgewood Avenue Wood Dale, IL 60191-1410 (800) 824-2247 www.actionbag.com Name of Activity Description of Activity ! ! ! III. Make a Cubic Meter Class Activity ! ! ! ! ! th Pass out a thousand-cube block to each group for the students to compare with their filled cubes. Discuss that the model they created shows the filling of a thousand cube, while the base-ten model shows only the surface area. Rename the thousand cube as a cubic decimeter since it is 1 dm in length, 1 dm in width, and 1 dm in height. CLASS DISCUSSION: How many cubic decimeters will fit along edge of a meter stick? How many would it take to stack as tall as a meter? In an open corner of the classroom, if possible, use the cubic decimeters they made and stack 10 high. Relate this to the meter stick. Lay 9 cubes on the floor from the corner going along the wall (perpendicular). Compare this length to the meter stick. Ask: Why am I only adding 9 cubes? Stack 9 cubes on top of the last cube. (Continue to compare to the meter stick.) Lay 9 more cubes on the floor coming out at a 90degree angle (perpendicular) from the wall. (Use paper clips to hold cubes together.) Use as many cubes as you can to show the edges of the new cubic meter. Materials/Handouts ! ! ! ! On the wall behind the cubic meter you just made, hang the poster board you made earlier with the sq. decimeters marked. Use this for the comparison of the length and height of the cubic units. ! ! Substitute a meter stick for the 10 cubic decimeters stacked in the corner and against the walls. ! ! When done showing length, width, and height with the cubic decimeters, hang from the ceiling with poster board at the top (marked in square decimeters and with one square decimeter marked in square centimeters) as the lid. ! ! ! ! Decimeter cubes Meter sticks Paper clips to hold the cubic decimeters together. Poster board with 100 sq. dm marked and one of the square decimeters marked in square centimeters Meter sticks or meter stick representations made from sentence strips. String or fishing line Magnifying glasses Salt Centimeter rulers with millimeters M-GLAnCE 5 Grade – Session 4 – Understanding Volume – Participant Packet Page 7 Revised 10.15.07 Key Tips for Presenter ! The goal is to make a very visual representation of a cubic meter using the individual parts that it is made of. If it is possible, it will be beneficial to leave the cubic meter up for awhile in order for students to refer to. ! The relationship between the cubic inch, cubic foot, and cubic yard could be shown in a similar manner. ! There are other topics and strands that can be discussed and interwoven in this unit with rich vocabulary: angles, perpendicular, parallel, etc. ! Make labels with both words and abbreviations Name of Activity Description of Activity ! ! IV. Building Rectangular Prisms to Find Volume ! ! ! ! ! ! ! Materials/Handouts Hang a cubic millimeter representation (here you could use a piece of salt), a cubic cm, and a cubic dm all labeled within the cubic meter, as a mobile. Hang a second cubic dm with each side labeled with its different equivalences: 1 liter, 1000 cubic cm, 1000 ml & 1000 g. (The students may find it interesting to see that filling a one-liter bottle is equivalent to one cubic decimeter.) Give each pair of students at least 48 centimeter cubes and allow them 5 minutes to discover two different rectangular prisms using 24 of the cubes. Have students describe their findings. The teacher needs to model the 24 cm x 1 cm x 1 cm prism (flat) on the overhead and then have each student make the same model with their cubes. (Ask the students to build their prism flat on the desk and not as a tower.) Explain that the prism has a length, a width, and a height. Using different orientations of the prism, ask what the different lengths/widths/ heights would be. Choose the view that will be easiest for you to draw on the overhead. Have the students record this view’s length, width/depth, and height on Recording Sheet #1. Have the students fill in the number of cubes used, the volume, and then model how to make a sketch. Have the students make this sketch on the recording sheet. Ask students to build a rectangular prism that has a length, width, or height of one. Quickly review their findings and choose one for all students to build in the same orientation. Have all of the students record this view’s length, width/depth, height, number of cubes, and volume. Model with the students how to make this view’s sketch on Recording Sheet #1. Take students step-by-step through the process of drawing this prism on the isometric paper. (It is Key Tips for Presenter ! ! ! ! ! ! ! for all of the different parts of the mobile ahead of time. Students can use magnifying glasses to look at the table salt and choose a grain that comes closest to a cubic millimeter. Each student should have a net of a cubic decimeter labeled with 1 liter, 1000 cubic centimeters, 1000 millimeters and 1 gram. This concept can be experimented with or given as a fact. Have students realize that this is where volume, capacity, and weight are compared as a scientific standard. Enough cubic centimeters for each pair of students to have at least 48 1 cm isometric dot paper (2 sheets per student) 1 ruler per student marked in centimeters Overhead Recording Sheet #1 M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 8 Revised 10.15.07 ! Note: One-centimeter isometric paper has equal spacing of 1-cm between all diagonal and vertical Name of Activity Description of Activity ! ! ! ! ! V. The Layering Perspective of Volume ! ASSESSMENT: Give students 12 cubes and ask them to build, sketch, label, and record all possible prisms. ! Working with a partner, have students build the 4 x 3 x 2 prism like they had previously drawn on their isometric paper. In the second column of Recording Sheet #2 write “top”. Beginning with the top layer of the 4 x 3 x 2 prism that they built, have students count how many cubes there are and record it on the recording sheet. With the teacher modeling on the overhead, have the students color in the top layer of the 4 x 3 x 2 prism on the teacher prepared isometric paper. ! ! ! ! Materials/Handouts easiest to draw the height first, and then draw the length or width on the diagonal. It is also better to complete the visible edges of the prism before drawing in the individual cubes.) As students are filling in the individual cubes on the isometric paper, walk around and give assistance to any who are having difficulties. Have students label on these drawings l = , w = , and h=. Discuss each step as you go. Continue following the same procedure of building, recording, sketching, and drawing on isometric paper with the rest of the prisms. When done, have students complete the bottom of the recording sheet and discuss it. Key Tips for Presenter dots. These are the dots used to make the drawings. (Do not use horizontal lines in your drawings.) ! ! ! ! ! Teacher prepared isometric paper with 3 identical drawings of the 4 x 3 x 2 rectangular prism from previous activity Centimeter cubes (24 per pair) Colored pencils or markers Rulers Recording Sheet #2 These questions are to get students thinking, so take all answers, as some students may not be able to M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 9 Revised 10.15.07 ! There are a total of 6 different rectangular prisms with a volume of 24. It is best to begin with doing the 4 prisms that have one as either the length, width, or the height before going on to the other two. ! CHALLENGE: The students could be asked to draw the prisms on isometric paper. Name of Activity Description of Activity ! ! ! ! ! ! ! ! ! Materials/Handouts visualize the layers at this point. Ask questions like: How many layers are underneath the top layer? How many layers total? How many cubes would be in each layer? Does the number of cubes correspond to any of the measures of the prism? Does the number of layers correspond to any of the measures of the prism? Next have students remove the top layer from their model keeping the 12 cubes intact. Look at the next layer. Count how many are in that layer. Remove that layer intact. Count the number of cubes in the bottom layer. Discuss. With students, add up the number of cubes from each layer as 12 + 12 = 24 and record on recording sheet. Then show this repeated addition as a multiplication problem (4 x 3) x 2 = 12 x 2 = 24cm3. Discuss that the volume of the prism is 24 cubic centimeters, which corresponds to the answer of the addition and multiplication problem. Continue by having students build the same 4 x 3 x 2 prism. Only this time in the second column of Recording Sheet #3 write “front”. Focusing on the front layer of the 4 x 3 x 2 prism that they built, have students count how many cubes there are and record it on the recording sheet. With the teacher modeling on the overhead, have the students color in the front layer. Discuss similar questions as before with same purpose. Remove the front layer keeping the cubes intact. Count how many are in that layer and record that number, the number of layers, the addition, multiplication, and the labeled volume. Continue by having students build the same 4 x 3 x 2 prism. Only this time in the second column of Recording Sheet #2 write “side”. Focusing on the side layer of the 4 x 3 x 2 prism that they built, have students count how many cubes there are and record it on the recording sheet. M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 10 Revised 10.15.07 Key Tips for Presenter ! By taking off the layers we are decomposing the prism to make it more visual. Name of Activity Description of Activity ! ! ! VI. Assessment ! ! Materials/Handouts With the teacher modeling on the overhead, have the students color in the side layer. Ask the same questions as above with the same purpose in mind. Remove the side layer keeping the cubes intact. Count how many are in that layer and record that number. Continue decomposing the prism of its side layers. Then record the number of layers, the addition, multiplication, and the labeled volume, as before. Using the following questions as a guide, have students respond by journal writing or in some other format, in order for you to check the depth of their understanding. o How many layers are underneath/next to/behind the top/side/front layer? How many layers total? How many cubes would be in each layer? Does the number of cubes correspond to any of the measures of the prism? Does the number of layers correspond to any of the measures of the prism? Using Recording Sheet #2 as a guide provide students with a prepared worksheet showing several drawings of prisms on isometric paper. These drawings should have only the visible edges showing. The students should be able to accurately fill in the recording sheet by building (if necessary), decomposing into layers or using any other method they know. o Ask for a response to questions such as: Did you need to draw in the cubes in order to see a layer? Does it help to count in layers to get the volume? Have you discovered an easier way to get the volume? Describe the method you used to find the volume using pictures and words. ! ! Teacher prepared prism drawings on isometric paper showing only visible edges Rulers M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 11 Revised 10.15.07 Key Tips for Presenter ! Students are made aware of the volume formula in fifth grade, but they do not formally use it. ! Be sure the prisms have a variety of dimensions. ! Estimated volumes could be found using catalogs for real world examples of 3-d objects. Fifth Grade Volume ! ! ! ! ! ! ! ! ! TIPS When students disagree with each other, encourage them to justify their reasoning to each other or the class. Often they are correct in their thinking but they are not answering the question given. Sometimes it may be necessary for the class to come to some consensus. Make every opportunity so ALL children have a turn at participating: changing roles in the activities from recorders to measurers, explaining their rationale, illustrating their answer for their group/ and or class, etc. It is too easy to let the more vocal students respond so we can move on. Solving problems without giving students time to think about them often leads to “fragile knowledge”. Be sure students know and use the abbreviations for the measures of volume. The purpose of the questions asked on the worksheets is not for a grade but for discovery, reasoning, justifying, and communication practice. The purpose of the questions asked on the worksheets is not always for a grade but for discovery, reasoning, and communication practice. When working with volume, it is important to rename and refer to the base-ten blocks cubes. It is important for students to visualize prisms in a variety of orientations (views) and to understand how to name the length, width, and height, even though when they use the formula, it will not make a difference. COMMON MISCONCEPTIONS ! Students often confuse the area measure of one square inch or one square centimeter for the volume measure of one cubic inch or one cubic centimeter. ! Be aware that many students are unable to visualize and/or draw 3dimensional objects in a 2dimensional format. M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 12 Revised 10.15.07 Fifth Grade Presentation Focus on: Volume Name of Activity II. III. Review of Metric Square Units Introduction to Volume Description of Activity ! ! Materials/Handouts Review square meter, square decimeter, square centimeter. Draw lines dividing poster board into 100 sq. decimeters. (Need 2 or 3 sheets.) Shade in and label one square decimeter. Shade in and label one square centimeter. ! To begin volume start with a 10 cm x 10 cm x 10 cm cube net. Have students make 2 cubes (without tops) from tag board. Cut carefully and tape or glue together. ! ! ! ! ! ! ! ! ! ! ! Have students place one row of centimeter cubes along an inside edge of one of their boxes so they can visualize the space filled. Ask questions such as: How many centimeter cubes are needed to fill in just one row? How many rows do you think will be needed to cover just the bottom layer? How many centimeter cubes will be needed to fill this layer? Since we don’t have enough cubic centimeters to fill in the bottom layer of everyone’s cubes, which size base-ten block could you use next? ! Key Tips for Presenter 2-3 sheets of poster board Base-ten blocks Square centimeter ! Refer back to this 2-dimensional poster, as necessary, for comparison when building the 3dimensional model. Tagboard with decimeter net or net template that can be traced on to tag board. Scissors Tape/glue Base-ten thousand cubes, flats, rods and centimeter cubes Square centimeter grid paper (at least 10 square decimeters per student) ! Students may have never worked with nets before so it would be a good time to show how to develop a net by using a thousand cube from the base-ten blocks as a model. Tape 6 square decimeters together to form a net that will fold into a cubic decimeter around the thousand cube. Show at least three ways that the net can be flattened out and how it is helpful to have tabs to glue together when forming the cube. Fill the rest of the bottom layer with rods. How many cubic centimeters would this be? How many rods would this be equivalent to? Which size base-ten block would the bottom layer be equivalent to? Discuss: How many flats would I need to fill the whole cubic decimeter? How many rods? Etc. Fill the rest with flats. Pass out a thousand cube block to each group for the students to compare with their filled cubes. M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 13 Revised 10.15.07 ! ! ! You might want to borrow base-ten blocks from other teachers in order for each student to fill their own boxes. ! 4x4x4 boxes come in either white or brown and can be bought for $29 per 100 from: Action Bag Company 501 N. Edgewood Avenue Wood Dale, IL 60191-1410 (800) 824-2247 www.actionbag.com Name of Activity Description of Activity ! ! III. Make a Cubic Meter Class Activity ! ! ! ! ! Materials/Handouts ! ! ! On the wall behind the cubic meter you just made, hang the poster board you made earlier with the sq. decimeters marked. Use this for the comparison of the length and height of the cubic units. ! ! Substitute a meter stick for the 10 cubic decimeters stacked in the corner and against the walls. When done showing length, width, and height with the cubic decimeters, hang from the ceiling with poster board at the top (marked in square decimeters and with one square decimeter marked in square centimeters) as the lid. ! ! Decimeter cubes Meter sticks Paper clips to hold the cubic decimeters together. Key Tips for Presenter ! ! ! ! th Discuss that the model they created shows the filling of a thousand cube, while the base-ten model shows only the surface area. Rename the thousand cube as a cubic decimeter since it is 1 dm in length, 1 dm in width, and 1 dm in height. CLASS DISCUSSION: How many cubic decimeters will fit along edge of a meter stick? How many would it take to stack as tall as a meter? In an open corner of the classroom, if possible, use the cubic decimeters they made and stack 10 high. Relate this to the meter stick. Lay 9 cubes on the floor from the corner going along the wall (perpendicular). Compare this length to the meter stick. Ask: Why am I only adding 9 cubes? Stack 9 cubes on top of the last cube. (Continue to compare to the meter stick.) Lay 9 more cubes on the floor coming out at a 90 degree angle (perpendicular) from the wall. (Use paper clips to hold cubes together.) Use as many cubes as you can to show the edges of the new cubic meter. ! ! ! ! Poster board with 100 sq. dm marked and one of the square decimeters marked in square centimeters Meter sticks or meter stick representations made from sentence strips. String or fishing line Magnifying glasses Salt Centimeter rulers with millimeters Hang a cubic millimeter representation (here you could use a piece of salt), a cubic cm, and a cubic dm all labeled within the cubic meter, as a mobile. M-GLAnCE 5 Grade – Session 4 – Understanding Volume – Participant Packet Page 14 Revised 10.15.07 ! ! The goal is to make a very visual representation of a cubic meter using the individual parts that it is made of. If it is possible, it will be beneficial to leave the cubic meter up for awhile in order for students to refer to. There are other topics and strands that can be discussed and interwoven in this unit with rich vocabulary: angles, perpendicular, parallel, etc. Make labels with both words and abbreviations for all of the different parts of the mobile ahead of time. Students can use magnifying glasses to look at the Name of Activity Description of Activity ! IV. Building Rectangular Prisms to Find Volume ! ! ! ! ! ! ! Materials/Handouts Hang a second cubic dm with each side labeled with its different equivalences: 1 liter, 1000 cubic cm, 1000 ml & 1000 g. Give each pair of students at least 48 centimeter cubes and allow them 5 minutes to discover two different rectangular prisms using 24 of the cubes. Have students describe their findings. The teacher needs to model the 24cm x 1cm x 1cm prism (flat) on the overhead and then have each student make the same model with their cubes. (Ask the students to build their prism flat on the desk and not as a tower.) Explain that the prism has a length, a width, and a height. Using different orientations of the prism, ask what the different lengths/widths/ heights would be. Choose the view that will be easiest for you to draw on the overhead. Have the students record this view’s length, width/depth, and height on Recording Sheet #1. Have the students fill in the number of cubes used, the volume, and then model how to make a sketch. Have the students make this sketch on the recording sheet. Ask students to build a rectangular prism that has a length, width, or height of one. Quickly review their findings and choose one for all students to build in the same orientation. Have all of the students record this view’s length, width/depth, height, number of cubes, and volume. Model with the students how to make this view’s sketch on Recording Sheet #1. Take students step-by-step through the process of drawing this prism on the isometric paper. (It is easiest to draw the height first, then draw the length or width on the diagonal. It is better to complete the visible edges of the prism before drawing in the Key Tips for Presenter ! ! ! ! ! ! Enough cubic centimeters for each pair of students to have at least 48 1 cm isometric dot paper (2 sheets per student) 1 ruler per student marked in centimeters Overhead Recording Sheet #1 M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 15 Revised 10.15.07 ! table salt and choose a grain that comes closest to a cubic millimeter. Each student should have a net of a cubic decimeter labeled with 1 liter, 1000 cubic centimeters, 1000 millimeters and 1 gram. This concept can be experimented with or given as a fact. Have students realize that this is where volume, capacity and weight are compared as a scientific standard. Note: One-centimeter isometric paper has equal spacing of 1-cm between all diagonal and vertical dots. These are the dots used to make the drawings. (Do not use horizontal lines in your drawings.) Name of Activity Description of Activity ! ! ! ! ! V. The Layering Perspective of Volume ! ! ! ! ! Materials/Handouts individual cubes.) As students are filling in the individual cubes, walk around and give assistance to any who are having difficulties. Have students label on these drawings l = , w = , and h=. Have students label on these drawings l = , w = , and h=. Continue following the same procedure of building, recording, sketching, and drawing on isometric paper with the rest of the prisms. Key Tips for Presenter ! There are a total of 6 different rectangular prisms with a volume of 24. It is best to begin with doing the 4 prisms that have one as either the length, width, or the height before going on to the other two. ! CHALLENGE: The students could be asked to draw the prisms on isometric paper. ASSESSMENT: Give students 12 cubes and ask them to build, sketch, label, and record all possible prisms. Working with a partner, have students build the 4 x 2 x 3 prism like they had previously drawn on their isometric paper. In the second column of Recording Sheet #2 write “top”. Beginning with the top layer of the 4 x 2 x 3 prism that they built, have students count how many cubes there are and record it on the recording sheet. With the teacher modeling on the overhead, have the students color in the top layer of the 4 x 2 x 3 prism on the teacher prepared isometric paper. These questions are to get students thinking, so take all answers, as some students may not be able to visualize the layers at this point. Ask questions like: How many layers are underneath the top layer? How many layers total? How many cubes would be in each layer? Does the number of cubes correspond to any of the measures of the prism? Does the number of layers correspond to any of the measures of the ! ! ! ! ! Teacher prepared isometric paper with 3 identical drawings of the 4 x 2 x 3 rectangular prism from previous activity Centimeter cubes (24 per pair) Colored pencils or markers Rulers Recording Sheet #2 M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 16 Revised 10.15.07 Name of Activity Description of Activity ! ! ! ! ! ! ! ! ! ! ! ! Materials/Handouts prism? Next have students remove the top layer from their model keeping the 8 cubes intact. Look at the next layer. Count how many are in that layer. Remove that layer intact. Count the number of cubes in the bottom layer. Discuss. With students add up the number of cubes from each layer as 8 + 8 + 8 = 24 and record on recording sheet. Then show this repeated addition as a multiplication problem 8 x 3 = 24. Discuss that the volume of the prism is 24 cubic centimeters, which corresponds to the answer of the addition and multiplication problem. Continue by having students build the same 4 x 2 x 3 prism. Only this time in the second column of Recording Sheet #3 write “front”. Focusing on the front layer of the 4 x 2 x 3 prism that they built, have students count how many cubes there are and record it on the recording sheet. With the teacher modeling on the overhead, have the students color in the front layer. Discuss similar questions as before with same purpose. Remove the front layer keeping the cubes intact. Count how many are in that layer and record that number, the number of layers, the addition, multiplication, and the labeled volume. Continue by having students build the same 4 x 2 x 3 prism. Only this time in the second column of Recording Sheet #2 write “side”. Focusing on the side layer of the 4 x 2 x 3 prism that they built, have students count how many cubes there are and record it on the recording sheet. With the teacher modeling on the overhead, have the students color in the side layer. Ask the same questions as above with the same purpose in mind. Remove the side layer keeping the cubes intact. Count how many are in that layer and record that M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 17 Revised 10.15.07 Key Tips for Presenter ! By taking off the layers we are decomposing the prism to make it more visual. Name of Activity Description of Activity Materials/Handouts Key Tips for Presenter number. Continue decomposing the prism of its side layers. Then record the number of layers, the addition, multiplication, and the labeled volume, as before. VI. Assessment ! Using the following questions as a guide, have students respond by journal writing or in some other format, in order for you to check the depth of their understanding. o How many layers are underneath/next to/behind the top/side/front layer? How many layers total? How many cubes would be in each layer? Does the number of cubes correspond to any of the measures of the prism? Does the number of layers correspond to any of the measures of the prism? ! Using Recording Sheet #2 as a guide provide students with a prepared worksheet showing several drawings of prisms on isometric paper. These drawings should have only the visible edges showing. The students should be able to accurately fill in the recording sheet by building (if necessary), decomposing into layers or using any other method they know. o Ask for a response to questions such as: Did you need to draw in the cubes in order to see a layer? Does it help to count in layers to get the volume? Have you discovered an easier way to get the volume? Describe the method you used to find the volume using pictures and words. ! ! Teacher prepared prism drawings on isometric paper showing only visible edges Rulers M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 18 Revised 10.15.07 ! Be sure the prisms have a variety of dimensions. Volume SHAPE LENGTH WIDTH/ DEPTH HEIGHT # of Cubes Needed VOLUM E Prism A 24 x 1 x 1 Prism B __ x __ x __ 1. What is the relationship between the number of cubes and the volume? 2. What do you notice about the 3 dimensions (length, width, height) and the volume? 3. If you see a relationship, how could you test that theory? M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 19 Revised 10.15.07 SKETCH Volume FIGURE VIEW: Top, Front, or Side Layer # OF CUBES IN ONE LAYER TOTAL # OF LAYERS IN FIGURE VOLUME BY ADDITION M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 20 Revised 10.15.07 VOLUME BY MULTIPLICATION VOLUME Literature and Resources ESTIMATION ! Betcha! by Stuart Murphy ! Dumpling Soup by Jama Kim Rattigan MEASUREMENT & LENGTH ! Jim & The Beanstalk by Raymond Briggs ! Counting On Frank by Rod Clement ! Length by Henry Pluckrose ! How Tall? How Long? How Big? (Scale drawings/facts/records, etc.) by Nicholas Harris ALL MEASUREMENT o Polly’s Pen Pal by Stuart Murphy o Measuring Penny by Loreen Leedy AREA & PERIMETER ! A Cloak For A Dreamer by Aileen Friedman ! Chickens on the Move by Pam Pollack and Meg Belviso ! Spaghetti & Meatballs For All by Marilyn Burns ! Bigger, Better, Best by Stuart Murphy RESOURCES: o Math For Fun: “Measuring Sizes” by Andrew King o Let’s Investigate Area & Volume by Marion Smoothey o Super-sized Science Projects with Volume by Robert Gardner o Measuring Up by Sandra Markle www.Illuminations.nctm.org/index.aspx www.nctm.org www.hbschool.com/menus/math_advantage.html (Go to e-lab and Grade level for student activities) www.aplusmath.com M-GLAnCE 5th Grade – Session 4 – Understanding Volume – Participant Packet Page 21 Revised 10.15.07
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