Area - EduGAINS

TIPS4Math
Grade 7
Area
Overall Expectations
Students will:
• Represent, compare and order numbers, including integers (7m8)
• Report on research into real-life applications of area measurements (7m31)
• Determine the relationships among units and measurable attributes, including the area of a trapezoid and the volume of a right
prism (7m32)
• Model real-life linear relationships graphically and algebraically, and solve simple algebraic equations using a variety of strategies,
including inspection and guess and check (7m59)
Specific Expectations
Students will:
• Explain the relationship between exponential notation and the measurement of area and volume (7m17)
• Research and report on real-life applications of area measurements (7m33)
• Solve problems that require conversion between metric units of area (i.e., square centimetres, square metres) (7m36)
• Determine, through investigation using a variety of tools and strategies, the relationship for calculating the area of a trapezoid, and
generalize to develop the formula [i.e., Area = (sum of lengths of parallel sides x height) ÷ 2] (7m37)
• Solve problems involving the estimation and calculation of the area of a trapezoid (7m38)
• Estimate and calculate the area of composite two-dimensional shapes by decomposing into shapes with known area relationships
(7m39)
• Translate phrases describing simple mathematical relationships into algebraic expressions, using concrete materials (7m66)
• Evaluate algebraic expressions by substituting natural numbers for the variables (7m67)
Lesson
What is Area?
Composite Shapes
Learning Focus
•
•
•
•
Trapezoid versus Parallelogram •
•
EduGAINS-Mathematics
Discuss when estimation versus exact area measurements are needed
Research and report on real-life applications of area measurements
Express area using square units and relate to exponential notation
Estimate and calculate the area of composite two-dimensional shapes
involving familiar shapes (e.g., rectangle, square, parallelogram, and
triangle)
Through investigation, using a variety of tools (e.g., concrete materials,
dynamic geometry software) and strategies, determine the relationship for
calculating the area of a trapezoid
Determine the general formula for area of a trapezoid as an algebraic
equation
Specific
Expectations
7m17
7m33
7m39
7m37
7m66
Page 1 of 12
TIPS4Math
Grade 7
Area (continued)
Lesson
Learning Focus
Specific
Expectations
Area of a Trapezoid
•
Solve problems involving the estimation and calculation of the area of a
trapezoid
7m37
7m66
Conversion Between Metric
Units of Area
•
•
•
7m17
7m36
Solve Area Problems
•
Determine the metric conversion relationships for area
Reinforce use of square units and relate to exponential notation
Solve problems that involve conversion between metric units of area (i.e.,
square centimetres, square metres) including some composite shapes
Solve problems involving area of a trapezoid and composite shapes using
estimation and exact calculation substituting into formula
Solve problems that involve conversion between metric units of area
Evaluate algebraic expressions by substituting natural numbers for the
variables in area formulas
•
•
7m36
7m38
7m39
7m67
Consolidation and Summative Tasks
EduGAINS-Mathematics
Page 2 of 12
TIPS4Math
Specific Expectations: 7m17, 7m33
Learning Focus
What is Area?
•
Action •
•
•
Review area of 2D
shapes studied in prior
years (i.e., square,
rectangle, triangle,
parallelogram) and the
relationship between the
areas of these shapes
Discuss when
estimation versus exact
area measurements are
needed
Research and report on
real-life applications of
area measurements
Express area using
square units and relate
to exponential notation
Consolidation
Other
Resources
Blended Learning
Teacher Guide
Unit 2 Activity 1: Area of a
Trapezoid
OERB ID: ELO1471860
Minds
On
Grade 7
TIPS4RM Grade 7 Unit 4:
Composite Figures and Area of Trapezoids
• Day 1: 2-D or 3-D?
Homework Help
• Perimeter and Area of a Rectangle
OERB
• Green, Green Grass of Summer
o OERB ID: ELO1414720
Unit 2 Activity 1: Action
OERB ID: ELO1471210
• Assignment 2: Area is
Everywhere
• Discussion
o where area is seen and
used in the real world
Geometer’s Sketchpad
• Area - Time to Get In Shape
Note: supplementation required
for estimation versus exact
measurements and relating to
exponential notation
Desmos
• Area of a Triangle
Gizmos
• Perimeter and Area of Rectangles
• Area of Triangles
• Area of Parallelograms
NCTM Illuminations
• Area Tool
Tap into Teen Minds
• R2d2 Post-Its by @MrOrr_geek
Gap Closing I/S Student Book: 2D Measurement
pp 3 – 20
EduGAINS-Mathematics
Gap Closing I/S Facilitator’s Guide: 2D Measurement
pp 4 – 6, 16 – 22
Page 3 of 12
TIPS4Math
Specific Expectations: 7m39
Learning Focus
Minds
On
•
Action •
Decompose composite shapes
into familiar shapes (e.g., triangle,
square, rectangle, parallelogram)
Estimate and calculate the area of
composite two-dimensional shapes
involving familiar shapes (e.g.,
rectangle, square, parallelogram,
and triangle)
Composite Shapes
Blended Learning
EduGAINS-Mathematics
Other
Resources
Teacher Guide
Unit 2 Activity 1: Area of a Trapezoid
OERB ID: ELO1471860
TIPS4RM Grade 7 Unit 4: Composite
Figures and Area of Trapezoids
• Day 2: Areas of Composite Shapes
• Day 3: Using Exponential Notation
and Estimation to Calculate Area
Unit 2 Activity 1: Minds On
OERB ID: ELO1471210
• Design a Kite
OERB ID: ELO1414740
o area of composite shapes
• Anchor Chart for Measurement
Homework Help
• Area of Composite Shapes
Note: supplementation required for
estimating and calculating the area of
composite shapes
Consolidation
Grade 7
GeoGebra
• L-shaped rooms
Gap Closing I/S Student Book:
2D Measurement
pp 3 – 5, 14 – 20
Gap Closing I/S Facilitator’s Guide:
2D Measurement
pp 4 – 6, 16 – 22
Page 4 of 12
TIPS4Math
Specific Expectations: 7m37, 7m66
Trapezoid versus Parallelogram
Learning Focus
Minds
On
•
Understand the definitions and
characteristics of a trapezoid
Action • Through investigation, using a
•
Grade 7
variety of tools (e.g., concrete
materials, dynamic geometry
software) and strategies, determine
the relationship for calculating the
area of a trapezoid
Determine the general formula for
area of a trapezoid as an algebraic
equation
Blended Learning
Teacher Guide
Unit 2 Activity 1: Area of a Trapezoid
OERB ID: ELO1471860
Unit 2 Activity 1: Action
OERB ID: ELO1471210
• Just When You Thought There
Weren’t Any More Shapes
OERB ID: ELO1414830
o investigate how area of trapezoid
and parallelogram are related
• Anchor Chart
Other
Resources
TIPS4RM Grade 7 Unit 4: Composite
Figures and Area of Trapezoids
• Day 6: What Is a Trapezoid?
• Day 7: Investigating Areas of
Trapezoids
• Day 8: How to Trap a Zoid with
Geometer’s Sketchpad
Note: supplementation required for
determining the relationship for
calculating the area of a trapezoid and
the development of the general formula
of a trapezoid
Consolidation
EduGAINS-Mathematics
Page 5 of 12
TIPS4Math
Area of a Trapezoid
Specific Expectations: 7m37, 7m66
Learning Focus
Minds
On
•
Action •
Other
Resources
Blended Learning
Teacher Guide
TIPS4RM Grade 7 Unit 4: Composite Figures and
Unit 2 Activity 1: Area of a Trapezoid Area of Trapezoids
OERB ID: ELO1471860
• Day 7: Investigating Areas of Trapezoids
• Day 8: How to Trap a Zoid with Geometer’s
Sketchpad
• Day 9: Reducing Taxes
• Day 10: Paying Taxes
Unit 2 Activity 1: Action
• Day 11: Applying Knowledge About Trapezoids
OERB ID: ELO1471210
Review strategies for
finding the area of a
trapezoid
Solve problems involving
the estimation and
calculation of the area of a •
trapezoid
Assignment 1: Application of
Trapezoid Area and Perimeter
Unit 2 Activity 1: Consolidation
• Perimeter, Area, Volume
Problem
o problem solving with
trapezoid
Consolidation
Grade 7
Homework Help
• Calculating the Area of a Trapezoid
Geometer’s Sketchpad
• Area of a Trapezoid (and beyond)
GeoGebra
• Area of a Trapezoid
• Practice: Finding Area and Perimeter of
Trapezoids
NCTM Illuminations
• Area Tool
Tap Into Teen Minds
• Mowing the Lawn
Gap Closing I/S Student Book: 2D Measurement
pp 3 – 13
Gap Closing I/S Facilitator’s Guide: 2D Measurement
pp 4 – 15
EduGAINS-Mathematics
Page 6 of 12
TIPS4Math
Conversion Between Metric Units of Area
Specific Expectations: 7m17, 7m36
Learning Focus
Minds • Review linear metric conversions
On
Action • Determine the metric conversion
•
•
Grade 7
relationships for area
Reinforce use of square units and
relate to exponential notation
Solve problems that involve
conversion between metric units
of area (i.e., square centimetres,
square metres) including some
composite shapes
Blended Learning
Other
Resources
TIPS4RM Grade 7 Unit 4: Composite
Figures and Area of Trapezoids
• Day 5: Metric Conversions of
Length and Area
Consolidation
EduGAINS-Mathematics
Page 7 of 12
TIPS4Math
Solve Area Problems
Specific Expectations: 7m36, 7m38, 7m39, 7m67
Learning Focus
Blended Learning
Minds • Convert the area of a trapezoid
from one metric unit to another
On
Action • Solve problems involving area of
•
•
Grade 7
Other
Resources
a trapezoid and composite shapes
using estimation and exact
calculation substituting into formula
Solve problems that involve
conversion between metric units of
area
Evaluate algebraic expressions by
substituting natural numbers for the
variables in area formulas
Consolidation
Consolidation & Summative Tasks
Specific Expectations: 7m17, 7m33, 7m36, 7m37,7m38, 7m39, 7m66, 7m67
Blended Learning
EduGAINS-Mathematics
Other
Resources
Page 8 of 12
TIPS4Math
What is Area?
Grade 7
Resource
URL
Teacher Guide:
Unit 2 Activity 1: Area of a Trapezoid
Assignment 2: Area is Everywhere
https://download.elearningontario.ca/repository/14/1471860000/Gr%207%20Math%20
U2%20TG/Combined%20Teacher%20Notes%20Activities%201%20-%204/content.html
https://download.elearningontario.ca/repository/14/1471320000/GRD7MTHEU02/GRD7MTHEU02A01/assignment.html
https://download.elearningontario.ca/repository/14/1471210000/GRD7MTHEU02A01/content_2.html
http://www.edugains.ca/resources/LearningMaterials/TIPS/tips4rm/grade7/Unit4_CompositeFigures.pdf
https://homeworkhelp.ilc.org/chat/chat.php?config=playback&question_id=258629&type=bs#/question/258629/type/bs
https://download.elearningontario.ca/repository/14/1414720000/Fiore_Gr7_Meas_SB2.html
Unit 2 Activity 1: Action
TIPS4RM Grade 7 Unit 4: Composite
Figures and Area of Trapezoids
Homework Help:
Perimeter and Area of a Rectangle
OERB:
Green, Green Grass of Summer
Geometer’s Sketchpad :
Area - Time to Get In Shape
Gizmos:
Perimeter and Area of Rectangles
Gizmos:
Area of Triangles
Gizmos:
Area of Parallelograms
Desmos:
Area of a Triangle
NCTM Illuminations:
Area Tool
Tap into Teen Minds:
R2d2 Post-Its by @MrOrr_geek
Gap Closing I/S Student Book:
2D Measurement
Gap Closing I/S Facilitator’s Guide:
2D Measurement
EduGAINS-Mathematics
http://www.edugains.ca/resourcesMath/CE/LessonsSupports/GSP/AreaAndPermieter/
AreaParallelogramTriangle_TimeToGetInShape.gsp
https://www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=235
https://www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=172
https://www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=245
https://www.desmos.com/calculator/qdggatjp82
http://illuminations.nctm.org/Activity.aspx?id=3567
https://tapintoteenminds.com/3act-math/r2d2-post-its/
http://www.edugains.ca/resources/LearningMaterials/GapClosing/Grade9/8-2Dmeasurement_SB_IS.pdf
http://www.edugains.ca/resources/LearningMaterials/GapClosing/Grade9/8-2DMeasurement_FG_IS.pdf
Page 9 of 12
TIPS4Math
Composite Shapes
Resource
Teacher Guide:
Unit 2 Activity 1: Area of a Trapezoid
Design a Kite
Unit 2 Activity 1: Minds On
TIPS4RM Grade 7 Unit 4: Composite
Figures and Area of Trapezoids
Homework Help:
Area of Composite Shapes
GeoGebra:
L-shaped rooms
Gap Closing I/S Student Book:
2D Measurement
Gap Closing I/S Facilitator’s Guide:
2D Measurement
EduGAINS-Mathematics
Grade 7
URL
https://download.elearningontario.ca/repository/14/1471860000/Gr%207%20Math%20
U2%20TG/Combined%20Teacher%20Notes%20Activities%201%20-%204/content.html
https://download.elearningontario.ca/repository/14/1471320000/GRD7MTHEU02/GRD7MTHEU02A01/mme/Gr7_Math_Meas_DesignaKite/Kite/runtime/Object%20Files/Fiore_
Gr7_Meas_SB4.html
https://download.elearningontario.ca/repository/14/1471320000/GRD7MTHEU02/GRD7MTHEU02A01/content.html
http://www.edugains.ca/resources/LearningMaterials/TIPS/tips4rm/grade7/Unit4_CompositeFigures.pdf
https://homeworkhelp.ilc.org/chat/chat.php?config=playback&question_id=258631&type=bs#/question/258631/type/bs
http://www.geogebra.org/m/2560861
http://www.edugains.ca/resources/LearningMaterials/GapClosing/Grade9/8-2Dmeasurement_SB_IS.pdf
http://www.edugains.ca/resources/LearningMaterials/GapClosing/Grade9/8-2DMeasurement_FG_IS.pdf
Page 10 of 12
TIPS4Math
Trapezoid versus Parallelogram
Resource
URL
Teacher Guide:
Unit 2 Activity 1: Area of a Trapezoid
Just When You Thought There Weren’t
Any More Shapes
Unit 2 Activity 1: Action
TIPS4RM Grade 7 Unit 4: Composite
Figures and Area of Trapezoids
EduGAINS-Mathematics
Grade 7
https://download.elearningontario.ca/repository/14/1471860000/Gr%207%20Math%20
U2%20TG/Combined%20Teacher%20Notes%20Activities%201%20-%204/content.html
https://download.elearningontario.ca/repository/14/1471320000/GRD7MTHEU02/GRD7MTHEU02A01/mme/Gr7_Math_Meas_Trapezoids/ARCHIVE/Fiore_Gr7_Meas_SB5.html
https://download.elearningontario.ca/repository/14/1471320000/GRD7MTHEU02/GRD7MTHEU02A01/content_2.html
http://www.edugains.ca/resources/LearningMaterials/TIPS/tips4rm/grade7/Unit4_CompositeFigures.pdf
Page 11 of 12
TIPS4Math
Area of a Trapezoid
Resource
Teacher Guide:
Unit 2 Activity 1: Area of a Trapezoid
Assignment 1: Application of Trapezoid
Area and Perimeter
Unit 2 Activity 1: Consolidation
TIPS4RM Grade 7 Unit 4: Composite
Figures and Area of Trapezoids
Homework Help:
Calculating the Area of a Trapezoid
Geometer’s Sketchpad:
Area of a Trapezoid (and beyond)
GeoGebra:
Area of a Trapezoid
GeoGebra:
Practice: Finding Area and Perimeter of
Trapezoids
NCTM Illuminations:
Area Tool
Tap Into Teen Minds:
Mowing the Lawn
Gap Closing I/S Student Book:
2D Measurement
Gap Closing I/S Facilitator’s Guide:
2D Measurement
Grade 7
URL
https://download.elearningontario.ca/repository/14/1471860000/Gr%207%20Math%20
U2%20TG/Combined%20Teacher%20Notes%20Activities%201%20-%204/content.html
https://download.elearningontario.ca/repository/14/1471320000/GRD7MTHEU02/GRD7MTHEU02A01/assignment.html
https://download.elearningontario.ca/repository/14/1471320000/GRD7MTHEU02/GRD7MTHEU02A01/content_3.html
http://www.edugains.ca/resources/LearningMaterials/TIPS/tips4rm/grade7/Unit4_CompositeFigures.pdf
https://homeworkhelp.ilc.org/tools/listen_learn/details.php?t_id=221
http://sketchexchange.keypress.com/sketch/view/489/area-of-a-trapezoid-and-beyond
http://www.geogebra.org/m/5013
http://www.geogebra.org/m/3009963
http://illuminations.nctm.org/Activity.aspx?id=3567
https://tapintoteenminds.com/3act-math/mowing-the-lawn/
http://www.edugains.ca/resources/LearningMaterials/GapClosing/Grade9/8-2Dmeasurement_SB_IS.pdf
http://www.edugains.ca/resources/LearningMaterials/GapClosing/Grade9/8-2DMeasurement_FG_IS.pdf
Conversion Between Metric Units of Area
Resource
URL
TIPS4RM Grade 7 Unit 4: Composite
Figures and Area of Trapezoids
EduGAINS-Mathematics
http://www.edugains.ca/resources/LearningMaterials/TIPS/tips4rm/grade7/Unit4_CompositeFigures.pdf
Page 12 of 12