Strategies for Division (Common Core) 3, 6, 9, 12, 15, By eanne Armstrong J. Armstrong 2013 Table of Contents: p. p. p. p. 3-9 10 11 12-13 p. p. p. p. p. p. p. p. p. p. p. p. 14-18 19-23 24-26 27-31 32-36 37-41 42-45 46-49 50-52 53-54 55-62 63 Division Strategy Mini-Posters Properties of Division Mini-Poster Multiplication Table (to 12x12) Reduced-size Mini Posters (4 per page) – can be printed/copied for student reference Draw a Picture/Equal Groups: practice, homework, answer keys Using Arrays: practice, homework, answer keys Problem Solving using Equal Groups & Arrays (with answer key) Skip Counting: practice, homework, answer keys Repeated Subtraction/Addition: practice, homework, answer keys Using a Multiplication Table: practice, homework, answer keys Related Facts: practice, homework, answer keys Division Facts Practice (with answer keys) Multiplication/Division Number Bonds Division Card Game (with recording sheet) Division Task Cards (with recording sheet and answer key) Thank You & Credits J. Armstrong 2013 Division splitting a number up into equal groups (the inverse operation of multiplication) ÷ = (the larger #) (the smaller #) (the answer) how many things there are the number of groups how many are in each group J. Armstrong 2013 Draw a Picture (Equal Groups) 18 ÷ 3 = 3 equal groups of 6 = 18 J. Armstrong 2013 Use an Array 6 columns 3 rows 18 ÷ 3 = J. Armstrong 2013 Skip Count 18 ÷ 3 = 1 2 3 4 5 6 0, 3, 6, 9, 12, 15, 18 J. Armstrong 2013 Use Repeated Subtraction or Addition 18 ÷ 3 = 18 – 3 = 15 15 – 3 = 12 12 – 3 = 9 9–3=6 6–3=3 3–3=0 (1) (2) (3) (4) (5) ( ) 0+3=3 3+3=6 6+3=9 9 + 3 = 12 12 + 3 = 15 15 + 3 = 18 (1) (2) (3) (4) (5) ( ) J. Armstrong 2013 Use a Multiplication Table 18 ÷ 3 = x 1 2 3 4 5 1 1 2 3 4 5 2 2 4 6 8 10 3 3 6 9 12 15 4 4 8 12 16 20 5 5 10 15 20 25 6 6 12 18 24 30 J. Armstrong 2013 Use Related Facts (Fact Families) 18 ÷ 3 = 3x 3 x 6 = 18 6 x 3 = 18 = 18 18 ÷ 3 = 6 18 ÷ 6 = 3 J. Armstrong 2013 Properties of Division Property: Examples: Division is the inverse operation of multiplication. 6 x 8 = 48 48 ÷ 8 = 6 Zero divided by any number equals zero 0 ÷5 = 0 0÷9=0 You CANNOT divide a number by zero. 5 ÷ 0 = undefined Any number divided by one equals itself 8÷1=8 12 ÷ 1 = 12 Any number divided by itself equals one 8÷8=1 12 ÷ 12 = 1 Distributive Property – you can break dividends apart into friendlier numbers, divide each by the divisor, then add the quotients. 42 ÷ 6 = ? (30 ÷ 6) + (12 ÷ 6) 5+2=7 J. Armstrong 2013 Multiplication Table x 1 2 3 4 5 6 7 8 9 10 11 12 1 1 2 3 4 5 6 7 8 9 10 11 12 2 2 4 6 8 10 12 14 16 18 20 22 24 3 3 6 9 12 15 18 21 24 27 30 33 36 4 4 8 12 16 20 24 28 32 36 40 44 48 5 5 10 15 20 25 30 35 40 45 50 55 60 6 6 12 18 24 30 36 42 48 54 60 66 72 7 7 14 21 28 35 42 49 56 63 70 77 84 8 8 16 24 32 40 48 56 64 72 80 88 96 9 9 18 27 36 45 54 63 72 81 90 99 108 10 10 20 30 40 50 60 70 80 90 100 110 120 11 11 22 33 44 55 66 77 88 99 110 121 132 12 12 24 36 48 60 72 84 96 108 120 132 144 J. Armstrong 2013 Name: ___________________________ Division Practice – Draw a Picture Draw a picture of equal groups to solve the following division problems: 1. 12 ÷ 4= __________ 2. 35 ÷ 5 = _________ 3. 24 ÷ 3 = _________ 4. 16 ÷ 4 = __________ J. Armstrong 2013 Division Practice – Draw a Picture (page 2) 5. I have 24 flowers. If I want to put the flowers equally into 6 vases, how many flowers should I put in each vase? 6. There are some tricycles at the park. Each tricycle has 3 wheels. If I count 21 wheels, how many tricycles are there? 7. I have 30 pieces of gum. I want to share the gum equally among 5 friends. How many pieces of gum will each friend get? 8. I have 32 loose crayons that need to be put equally into 4 boxes. How many crayons can fit into each box? J. Armstrong 2013 Division Practice – ANSWER KEY 1. 12 ÷ 4= 3 7 2. 35 ÷ 5 = 3. 24 ÷ 3 = 8 4. 16 ÷ 4 = 4 5. I have 24 flowers. If I want to put the flowers equally into 6 vases, how many flowers should I put in each vase? 24 ÷ 6 = 4 flowers 6. There are some tricycles at the park. Each tricycle has 3 wheels. If I count 21 wheels, how many tricycles are there? 21 ÷ 3 = 7 tricycles 7. I have 30 pieces of gum. I want to share the gum equally among 5 friends. How many pieces of gum will each friend get? 30 ÷ 5 = 6 pieces of gum 8. I have 32 crayons that need to be put equally into 4 boxes. How many crayons can fit into each box? 32 ÷ 4 = 8 crayons J. Armstrong 2013 Name: ___________________________ Division Strategy: Draw a Picture - Homework Directions: Draw a picture of equal groups to solve the following division problems. 1. 20 ÷4 = _______ 2. 18 ÷ 3 = _______ 3. 14 ÷ 2= _______ 4. 28 ÷ 7 = _______ 5. There are 6 friends at a birthday party. If there are 36 cookies to share equally, how many cookies will each person get? J. Armstrong 2013 Division Strategy: Draw a Picture – Homework - ANSWER KEY Directions: Draw a picture of equal groups to solve the following division problems. 1. 20 ÷4 = 5 2. 18 ÷ 3 = 6 3. 14 ÷ 2= 7 4. 28 ÷ 7 = 4 5. There are 6 friends at a birthday party. If there are 36 cookies to share equally, how many cookies will each person get? 36 ÷ 6 = 6 cookies J. Armstrong 2013 Name: ___________________________ Division using Arrays - Practice Directions: Use an array to solve the following division problems: 1. 20 ÷5 = _____ 2. 42 ÷6 = _______ 3. 24 ÷ 3= _______ 4. 32 ÷ 8 = _______ 5. Write a division sentence for this array: * * * * * * * * * * * * * * * * * * * * * * * * * 6. Write a division sentence for this array: X X X X X X X X X X X X J. Armstrong 2013 Division using Arrays - Practice (page 2) Use an array to solve the following problems: 7. There are 36 corn plants. If the farmer plants them in 4 equal rows, how many plants will there be in each row? 8. There are 21 cans of soda in the vending machine. If each there are 3 equal rows, how many cans are there in each row? 9. If there are 30 stamps on a page in 5 equal rows, how many stamps are there in each row? 10. There are 7 rows in the parking lot and every space is full. If there are 28 cars in all, how many cars are parked in each row? J. Armstrong 2013 Division Using Arrays – Practice – ANSWER KEY Directions: Use an array to solve the following division problems: 1. 20 ÷5 = 4 2. 42 ÷6 = 7 3. 24 ÷ 3= 8 4. 32 ÷ 8 = 4 5. Write a division sentence for this array: * * * * * * * * * * * * * * * * * * * * 6. Write a division sentence for this array: * * * * * X X X X X X X X X X X X 12 ÷ 3 = 4 25 ÷5 = 5 7. There are 36 corn plants. If the farmer plants them in 4 equal rows, how many plants will there be in each row? 36 ÷ 4 = 9 corn plants 8. There are 21 cans of soda in the vending machine. If each there are 3 equal rows, how many cans are there in each row? 21 ÷ 3 = 7 cans 9. If there are 30 stamps on a page in 5 equal rows, how many stamps are there in each row? 30 ÷ 5 = 6 stamps 10. There are 4 rows in the parking lot and every space is full. If there are 28 cars in all, how many cars are parked in each row? 28 ÷ 4 = 7 cars in each row J. Armstrong 2013 Name: ___________________________ Division Using Arrays - Homework Directions: Use an array to solve the following problems: 1. 24 ÷ 6 = ______ 2. 18 ÷3 = _______ 3. 40 ÷8 = _______ 4. 25 ÷ 5 = _______ 5. The town of Mathville has 20 city blocks arranged in an array. If the town is 5 blocks wide, how many blocks long is it? (Write a division sentence to show your answer.) J. Armstrong 2013 Division Strategy: Using arrays – Homework – ANSWER KEY Directions: Use an array to solve the following problems: 1. 24 ÷ 6 = 4 3. 40 ÷8 = 5 XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX 2. 18 ÷3 = 6 XXXXXX XXXXXX XXXXXX 4. 25 ÷ 5 = 5 XXXXX XXXXX XXXXX XXXXX XXXXX 5. The town of Mathville has 20 city blocks arranged in an array. If the town is 5 blocks wide, how many blocks long is it? (Write a division sentence to show your answer.) 20 ÷ 5 = 4 blocks J. Armstrong 2013 Name/#: ___________________________ Division Using Equal Groups and Arrays - Problem Solving Use an array to solve the following problems: 1. Isabelle has a sheet of 70 stickers. If there are 10 stickers in each row, how many rows are there? 2. There are 4 rows of bleachers at the baseball field. If 32 people can sit in the bleachers in equal rows, how many people can fit in each row? 3. There are 36 boxes of cereal arranged in equal rows at the grocery store. If each shelf can hold 9 boxes, how many shelves are there? 4. Michael collects stamps in a book. Each page in his book has 6 rows and he can fit 30 stamps on each page. How many stamps can fit in each row? (Challenge: If he has 120 stamps in his book and he can fit 30 stamps on each page, how many pages does he have in his book?) J. Armstrong 2013 Division Using Equal Groups and Arrays – Problem Solving (page 2) Draw a picture of equal groups to solve the following problems: 5. I have 28 balloons to put into 4 equal bundles. How many balloons should go in each bundle? 6. There were a bunch of lions at the zoo. If I counted 16 legs, how many lions were there? 7. A teacher needs to pass 24 pieces of paper out equally to a reading group. If there are 8 students in the reading group, how many pieces of paper will each student get? 8. My mom made cupcakes for the bake sale. She made 42 cupcakes to divide equally among 6 plates. How many cupcakes should she put on each plate? J. Armstrong 2013 Name/#: ___________________________ Division Using Equal Groups and Arrays - Problem Solving – ANSWER KEY Use an array to solve the following problems: 1. Isabelle has a sheet of 70 stickers. If there are 10 stickers in each row, how many rows are there? 70 ÷ 10 = 7 rows 2. There are 4 rows of bleachers at the baseball field. If 32 people can sit in the bleachers in equal rows, how many people can fit in each row? 32 ÷ 4 = 8 people in each row 3. There are 36 boxes of cereal arranged in equal rows at the grocery store. If each shelf can hold 9 boxes, how many shelves are there? 36 ÷ 9 = 4 shelves 4. Michael collects stamps in a book. Each page in his book has 6 rows and he can fit 30 stamps on each page. How many stamps can fit in each row? (Challenge: If he has 120 stamps in his book and he can fit 30 stamps on each page, how many pages does he have in his book?) 30 ÷ 6 = 5 stamps per row Challenge: 120 ÷ 30 = 4 pages in the book Draw a picture of equal groups to solve the following problems: 5. I have 28 balloons to put into 4 equal bundles. How many balloons should go in each bundle? 28 ÷ 4 = 7 balloons 6. There were a bunch of lions at the zoo. If I counted 16 legs, how many lions were there? 16 ÷ 4 = 6 lions 7. A teacher needs to pass 24 pieces of paper out equally to a reading group. If there are 8 students in the reading group, how many pieces of paper will each student get? 24 ÷ 8 = 3 pieces of paper 8. My mom made cupcakes for the bake sale. She made 42 cupcakes to divide equally among 6 plates. How many cupcakes should she put on each plate? 42 ÷ 6 = 7 cupcakes J. Armstrong 2013 Name: ___________________________ Division using Skip Counting - Practice Directions: Use skip counting to solve the following division problems: 1. 16 ÷ 2 = _____ 2. 35 ÷5 = _______ 3. 12 ÷ 3 = _______ 4. 20 ÷ 5 = _______ 5. 14 ÷ 2 = _______ 6. 60 ÷10 = _______ J. Armstrong 2013 Division using Skip Counting - Practice (page 2) Use skip counting to solve the following problems: 7. There are 60 chairs in equal rows in the auditorium. If there are 5 chairs in each row, how many rows are there? 8. If there are 18 cookies to share equally among 6 friends, how many cookies would each person get? 9. There are 80 markers in all If 10 markers can fit in a box, how many boxes would you need to fit all the markers? 10. My family and I picked 30 apples. There are five of us in the family. If we shared the apples equally, how many apples would each person get? J. Armstrong 2013 Division using Skip Counting - Practice – ANSWER KEY Use skip counting to solve the following problems: 1. 16 ÷ 2 = 8 2, 4, 6, 8, 10, 12, 14, 16 2. 35 ÷5 = 7 5, 10, 15, 20, 25, 30, 35 3. 12 ÷ 3 = 4 3, 6, 9, 12 4. 20 ÷ 5 = 4 5, 10, 15, 20 5. 14 ÷ 2 = 7 2, 4, 6, 8, 10, 12, 14 6. 60 ÷10 = 6 10, 20, 30, 40, 50, 60 7. There are 60 chairs in equal rows in the auditorium. If there are 5 chairs in each row, how many rows are there? 60 ÷ 5 = 12 rows 8. If there are 18 cookies to share equally among 6 friends, how many cookies would each person get? 18 ÷ 6 = 3 cookies 9. There are 80 markers in all If 10 markers can fit in a box, how many boxes would you need to fit all the markers? 80 ÷ 10 = 8 boxes 10. My family and I picked 30 apples. There are five of us in the family. If we shared the apples equally, how many apples would each person get? 30 ÷ 5 = 6 apples J. Armstrong 2013 Name: ___________________________ Division using Skip Counting - Homework Directions: Use Skip Counting to solve the following division problems: 1. 45 ÷ 5 = _______ 2. 21 ÷ 3 = _______ 3. 16 ÷ 2 = _______ 4. 40 ÷ 10 = _______ 5. Ms. Armstrong’s class has 30 students. If they are divided into 5 equal groups, how many students will be in each group? 6. Challenge: Ms. Armstrong and Mrs. Moreau’s classes get together for a party. There are 60 students in all. If they are divided into 5 equal groups, how many students will be in each group? Explain how you could use your answer from question #5 to help you solve this problem. J. Armstrong 2013 Division using Skip Counting – Homework – ANSWER KEY Directions: Use Skip Counting to solve the following division problems: 1. 45 ÷ 5 = 9 2. 21 ÷ 3 = 7 5, 10, 15, 20, 25, 30, 35, 40, 45 3. 16 ÷ 2 = 8 3, 6, 9, 12, 15, 18, 21 4. 40 ÷ 10 = 4 2, 4, 6, 8, 10, 12, 14, 16 10, 20, 30, 40 5. Ms. Armstrong’s class has 30 students. If they are divided into 5 equal groups, how many students will be in each group? 30 ÷ 5 = 6 students in each group 6. Challenge: Ms. Armstrong and Mrs. Moreau’s classes get together for a party. There are 60 students in all. If they are divided into 5 equal groups, how many students will be in each group? Explain how you could use your answer from question #5 to help you solve this problem. 60 ÷ 5 = 12 students in each group (or you could double your answer from #5, since 60 is double 30) J. Armstrong 2013 Name: ___________________________ Division using Repeated Subtraction/Addition - Practice Directions: Use Repeated Subtraction or Repeated Addition to solve the following problems: 1. 32 ÷ 8 = _______ 2. 12 ÷ 4 = _______ 3. 18 ÷ 6= _______ 4. 54 ÷ 9 = _______ 5. 42 ÷ 6 = ________ 6. 33 ÷ 11 = _______ J. Armstrong 2013 Division Using Repeated Subtraction/Addition - Practice (page 2) Solve the following problems using Repeated Subtraction or Repeated Addition: 7. Pete loves to collect rocks. He collected 28 rocks last week. If he collected the same number of rocks each day, how many rocks did he collect per day? 8. April is trying to reach a new reading goal. Her book is 72 pages long. She plans to read 12 pages each day. How many days will it take her to read the whole book? 9. There are 24 fish at the pet store that need to be put into bowls. If 8 fish can share a bowl, how many bowls will they need for all the fish? 10. We are doing an art project and need ribbons cut into 4-inch pieces. If I have a ribbon that is 16 inches long, how many 4-inch pieces can I make for my project? J. Armstrong 2013 Division Using Repeated Subtraction/Addition – Practice – ANSWER KEY Solve the following problems using Repeated Subtraction or Repeated Addition: 1. 32 ÷ 8 = 4 2. 12 ÷ 4 = 3 3. 18 ÷ 6 = 3 4. 54 ÷ 9 = 6 5. 42 ÷ 6 = 7 6. 33 ÷ 11 = 3 7. Pete loves to collect rocks. He collected 28 rocks last week. If he collected the same number of rocks each day, how many rocks did he collect per day? 28 ÷ 7 = 4 rocks per day 8. April is trying to reach a new reading goal. Her book is 72 pages long. She plans to read 12 pages each day. How many days will it take her to read the whole book? 72 ÷ 12 = 6 days 9. There are 24 fish at the pet store that need to be put into bowls. If 8 fish can share a bowl, how many bowls will they need for all the fish? 24 ÷ 8 = 3 bowls 10. We are doing an art project and need ribbons cut into 4-inch pieces. If I have a ribbon that is 16 inches long, how many 4-inch pieces can I make for my project? 16 ÷ 4 = 4 pieces of ribbon J. Armstrong 2013 Name: ___________________________ Division using Repeated Subtraction/Addition - Homework Directions: Use Repeated Subtraction or Repeated Addition to solve the following problems: 1. 27 ÷ 9 = _______ 2. 28 ÷ 4 = _______ 3. 48 ÷ 12 = _______ 4. 30 ÷ 6 = _______ 5. Glenn has 24 apples. If he picked 6 apples each day, how many days did it take him to pick all 24? J. Armstrong 2013 Division using Repeated Subtraction/Addition – Homework – ANSWER KEY Directions: Use Repeated Subtraction or Repeated Addition to solve the following problems: 1. 27 ÷ 9 = 3 2. 28 ÷ 4 = 7 3. 48 ÷ 12 = 4 4. 30 ÷ 6 = 5 5. Glenn picked 6 apples each day. How many days did it take him to pick 24 apples? 6 + 6 + 6 + 6 = 24 24 ÷ 6 = 4 4 days J. Armstrong 2013 Name: ___________________________ Division Using a Multiplication Table - Practice Directions: Use a Multiplication Table to solve the following problems: 1. 72 ÷ 6 = _______ 2. 42 ÷ 7 = _______ 3. 36 ÷ 4 = _______ 4. 64 ÷ 8 = _______ 5. There are 72 chairs arranged in 9 equal rows. How many chairs are in each row? J. Armstrong 2013 Division Using a Multiplication Table – Practice (page 2) Directions: Use a Multiplication Table to solve the following problems: 6. There are 28 flowers to be put equally into 4 vases. How many flowers should go into each vase? 7. There are 32 students in the class. If they are put into 4 equal reading groups, how many students would be in each reading group? 8. A tricycle has 3 wheels. How many tricycles are there if you count 27 wheels? 9. I have 56 books. If I can fit 8 books on a shelf, how many shelves will I need for all of my books? 10. I am trying to make more bookshelves. Each shelf is 12 inches long. If I have a piece of wood that is 108 inches long, how many shelves could I make? J. Armstrong 2013 Division Using a Multiplication Table – Practice ANSWER KEY Directions: Use a Multiplication Table to solve the following problems: 1. 2. 3. 4. 72 ÷ 6 = 12 42 ÷ 7 = 6 36 ÷ 4 = 9 64 ÷ 8 = 8 5. There are 72 chairs arranged in 9 equal rows. How many chairs are in each row? 8 chairs 6. There are 28 flowers to be put equally into 4 vases. How many flowers should go into each vase? 7 flowers 7. There are 32 students in the class. If they are put into 4 equal reading groups, how many students would be in each reading group? 8 students 8. A tricycle has 3 wheels. How many tricycles are there if you count 27 wheels? 9 tricycles 9. I have 56 books. If I can fit 8 books on a shelf, how many shelves will I need for all of my books? 7 shelves 10. I am trying to make more bookshelves. Each shelf is 12 inches long. If I have a piece of wood that is 108 inches long, how many shelves could I make? 9 shelves J. Armstrong 2013 Name: ___________________________ Division using a Multiplication Table - Homework Directions: Use a Multiplication Table to solve the following problems: 1. 81 ÷ 9 = _______ 2. 49 ÷ 7 = _______ 3. 88 ÷ 8 = _______ 4. 32 ÷ 4 = _______ 5. 64 ÷ 8 = _______ 6. 56 ÷ 7 = _______ 7. 27 ÷ 3 = _______ 8. 54 ÷ 6 = _______ 9. There are 48 cupcakes at the birthday party. If there are 8 children and they share the cupcakes equally, how many cupcakes would each child get? 10. A farmer is building a fence along one of his fields. He needs the fence to be 72 feet long. If the boards he uses are 8 feet long, how many boards will he need to build his fence? J. Armstrong 2013 Division using a Multiplication Table – Homework – ANSWER KEY Directions: Use a Multiplication Table to solve the following problems: 1. 81 ÷ 9 = 9 2. 49 ÷ 7 = 7 3. 88 ÷ 8 = 11 4. 32 ÷ 4 = 8 5. 64 ÷ 8 = 8 6. 56 ÷ 7 = 8 7. 27 ÷ 3 = 9 8. 54 ÷ 6 = 9 9. There are 48 cupcakes at the birthday party. If there are 8 children and they share the cupcakes equally, how many cupcakes would each child get? 48 ÷ 8 = 6 cupcakes 10. A farmer is building a fence along one of his fields. He needs the fence to be 72 feet long. If the boards he uses are 8 feet long, how many boards will he need to build his fence? 72 ÷ 8 = 9 boards J. Armstrong 2013 Name: _________________________ Division using Related Facts - Practice Directions: Write a related multiplication problem and solve the following division problems: 1. 36 ÷ 9 = ______ 2. 24 ÷ 8 = ______ 3. 21 ÷ 7 = ______ 4. 16 ÷ 4 = ______ 5. 35 ÷ 5 = ______ 6. 63 ÷ 9 = _____ Directions: Complete the fact family for each of the following division problems: 7. 24 ÷ 6 = 4 _____________ 9. 54 ÷ 9 = 6 _____________ ____________ ____________ ____________ ____________ 8. 42 ÷ 7 = 6 _____________ 10. 32 ÷ 8 = 4 _____________ ____________ ____________ ____________ ____________ J. Armstrong 2013 Division using Related Facts – Practice – ANSWER KEY Directions: Write a related multiplication problem and solve the following division problems: 1. 36 ÷ 9 = 4 3. 21 ÷ 7 = 3 5. 35 ÷ 5 = 7 9 x 4 = 36 7 x 3 = 21 5 x 7 = 35 2. 24 ÷ 8 = 3 4. 16 ÷ 4 = 4 6. 63 ÷ 9 = 7 8 x 3 = 24 4 x 4 = 16 9 x 7 = 63 Directions: Complete the fact family for each of the following division problems: 7. 24 ÷ 6 = 4 6 x 4 = 24 8. 42 ÷ 7 = 6 7 x 6 = 42 24 ÷ 4 = 6 4 x 6 = 24 42 ÷ 6 = 7 6 x 7 = 42 9. 54 ÷ 9 = 6 9 x 6 = 54 54 ÷ 6 = 9 6 x 9 = 54 10. 32 ÷ 8 = 4 8 x 4 = 32 32 ÷ 4 = 8 4 x 8 = 32 J. Armstrong 2013 Name: _________________________ Division using Related Facts - Homework Directions: Write a related multiplication problem and solve the following division problems: 1. 45 ÷ 9 = ______ 2. 49 ÷ 7 = ______ 3. 28 ÷ 7 = ______ 4. 20 ÷ 4 = ______ Directions: Complete the fact family for each of the following division problems: 5. 48 ÷ 6 = 8 _____________ 7. 72 ÷ 9 = 8 _____________ ____________ ____________ ____________ ____________ 6. 35 ÷ 7 = 5 _____________ 8. 48 ÷ 12 = 4 _____________ ____________ ____________ ____________ ____________ J. Armstrong 2013 Division using Related Facts – Homework – ANSWER KEY Directions: Write a related multiplication problem and solve the following division problems: 1. 45 ÷ 9 = 5 3. 28 ÷ 7 = 4 9 x 5 = 45 7 x 4 = 28 2. 49 ÷ 7 = 7 4. 20 ÷ 4 = 5 7 x 7 = 49 4 x 5 = 20 Directions: Complete the fact family for each of the following division problems: 5. 48 ÷ 6 = 8 6 x 8 = 48 6. 35 ÷ 7 = 5 7 x 5 = 35 48 ÷ 8 = 6 8 x 6 = 48 35 ÷ 5 = 7 5 x 7 = 35 7. 72 ÷ 9 = 8 9 x 8 = 72 8. 48 ÷ 12 = 4 12 x 4 = 48 72 ÷ 8 = 9 8 x 9 = 72 48 ÷ 4 = 12 4 x 12 = 48 J. Armstrong 2013 Name: ________________________ Division Facts Practice #1 12 ÷ 6 18 ÷ 3 42 ÷ 7 16 ÷4 30 ÷ 5 9÷3 24 ÷ 4 32 ÷ 8 45 ÷ 9 44 ÷11 48 ÷ 6 27 ÷ 3 12 ÷ 4 24 ÷ 8 49 ÷ 7 8÷1 36 ÷ 6 14 ÷ 2 21 ÷ 7 4÷2 35 ÷ 5 36 ÷ 12 25 ÷ 5 15 ÷ 3 28 ÷ 4 J. Armstrong 2013 Division Facts Practice #1 – ANSWER KEY 12 ÷ 6 18 ÷ 3 42 ÷ 7 16 ÷4 30 ÷ 5 2 6 6 4 6 9÷3 24 ÷ 4 32 ÷ 8 45 ÷ 9 44 ÷11 3 6 4 5 4 48 ÷ 6 27 ÷ 3 12 ÷ 4 24 ÷ 8 49 ÷ 7 8 9 3 3 7 8÷1 36 ÷ 6 14 ÷ 2 21 ÷ 7 4÷2 8 6 7 3 2 35 ÷ 5 36 ÷ 12 25 ÷ 5 15 ÷ 3 28 ÷ 4 7 3 5 5 7 J. Armstrong 2013 Name: ________________________ Division Facts Practice #2 36 ÷ 6 15 ÷ 3 28 ÷ 7 24 ÷ 4 50 ÷ 5 12 ÷ 3 24 ÷ 6 48 ÷ 8 27 ÷ 9 33 ÷11 42 ÷ 6 24 ÷ 3 36 ÷ 4 40 ÷ 8 21 ÷ 7 12 ÷ 1 18 ÷ 6 16 ÷ 2 9÷9 6÷3 20 ÷ 5 72 ÷ 8 30 ÷ 5 15 ÷ 5 32 ÷ 4 J. Armstrong 2013 Division Facts Practice #2 – ANSWER KEY 36 ÷ 6 15 ÷ 3 28 ÷ 7 24 ÷ 4 50 ÷ 5 6 5 4 6 10 12 ÷ 3 24 ÷ 6 48 ÷ 8 27 ÷ 9 33 ÷11 4 4 6 3 3 42 ÷ 6 24 ÷ 3 36 ÷ 4 40 ÷ 8 21 ÷ 7 7 8 9 5 3 12 ÷ 1 18 ÷ 6 16 ÷ 2 9÷9 6÷3 12 3 8 1 2 20 ÷ 5 72 ÷ 8 30 ÷ 5 15 ÷ 5 32 ÷ 4 4 9 6 3 8 J. Armstrong 2013 Multiplication & Division Number Bonds – information/instructions Number Bonds are a great way for students to conceptualize the inverse relationship between multiplication and division, reinforce fact families, as well as learn their math facts. Students must use what they know about multiplication and division to fill in the missing number. The number in the square is the product created by multiplying the two factors in the circles. For example: 48 6 8 Students must use either multiplication or division to solve the number bonds, depending on which number is missing: 24 For example: In this number bond, students would need to divide 24 ÷ 4 to find the missing number 6. 4 For example: 5 7 In this number bond, students would need to multiply 5 x 7 to find the missing number 35. There are two Number Bonds worksheets included in this file. The first has 25 Number Bonds for students to complete. The second is a blank page that you can use to write in additional problems. A great suggestion is to put these worksheets into page protectors for students to do as a center, for extra practice, or when they’ve completed other work. Name: _________________________ Multiplication & Division Number Bonds Directions: Fill in the missing number. The number in the square is the product of the two factors in the circles. ex. 14 2 6 7 40 5 21 3 12 27 7 8 72 8 8 6 8 6 49 4 28 56 7 9 24 16 5 64 6 4 63 7 7 36 9 48 42 32 3 3 6 4 18 8 8 35 24 7 7 81 9 J. Armstrong 2013 Name: _______________________________ Multiplication & Division Number Bonds Directions: Fill in the missing number. The number in the square is the product of the two factors in the circles. J. Armstrong 2013 Materials needed: a deck of cards with face cards removed. The value of each card will be the number on the card, Aces are worth 1. Directions: This game is played with three players. 1. Player A will give one card each to Player B and Player C. 2. Player B and Player C WILL NOT look at their cards. Instead, they will hold them up to their forehead, facing outwards so they cannot see their own card, but they can see the other player’s card. 3. Player A will multiply the value of the two cards and say the product aloud. 4. Player B and Player C need to figure out what card they have on their forehead by dividing the product said by Player A by the card they see on the other player’s head. The first one to correctly say the value of their card wins that round. Example: Player B’s card is a 4 and Player C has a 6. Player A would say “24” because 4x6=24. Player B can see that Player C has a 6, he would divide 24 by 6 and figure out that he must have a 4. 5. Students can change roles each round if you like, or you can make up some parameters like whoever reaches 10 points first will be Player A in the next round, etc. 6. This game is great just for fun or as a time-filler, but for accountability or as a center, you may choose to have your students complete the recording sheet. J. Armstrong 2013 Division Card Game Recording Sheet Players: _________________ _________________ ________________ Round Number Player A (Dividend) Player B (Divisor) Player C (Quotient) Division Sentence Winner Ex. 24 6 4 24 ÷ 6 = 4 or 24 ÷ 4 = 6 C 1 2 3 4 5 6 7 8 9 10 11 12 Directions: 1. Choose a task card. 2. Decide which strategy to use. 3. Solve the division problem. Make sure to show your work in the correct box on the Recording Sheet. J. Armstrong 2013 12 ÷ 4 = ____ 24 ÷ 6 = _____ 35 ÷ 5 = ___ 5. 3. 1. 4. 63 ÷ 9 = _____ 6. There are 2 wheels on a bike. How many bikes are there if I count 14 wheels? 18 ÷ 3 = ___ 2. Write a division sentence for this array: XXXX XXXX XXXX 11. 21 ÷ 7 = _____ 9. If I count 40 toes at my table, and each person has 10 toes, how many people sit at my table? 7. 32 ÷ 8 = _____ 12. I have 40 markers to put away evenly in 5 boxes. How many markers should go into each box? 10. My goal is to read 30 books in the next 6 months. How many books do I need to read each month to reach my goal? 8. 18. 17. 45 ÷ 9 = _____ There are 32 students sitting in equal groups at 8 tables. How many students are there at each table? There are 27 cookies for 9 children at the party. If each child gets the same number, how many cookies will each child getl? There are 99 seats in the theater. If the seats are arranged in equal rows and each row has 11 seats, how many rows does the theater have? 16. Marco ran 50 miles in running club over the past 5 months. How many miles did he run each month? 14. 15. 56 ÷ 7 = _____ 13. 24. 23. 80 ÷ 8 = _____ I have 72 flowers for my garden. I want to plant them in 9 equal rows. How many flowers should I plant in each row? Marley took care of his neighbor’s cats for a week and earned $35 in all. How much money did he earn each day? Six friends are sharing a box of crackers. If there are 54 crackers in all and they share them equally, how many will each friend get? 22. There are 42 cans of soda in 6 even rows in the vending machine. How many cans of soda are in each row? 20. 21, Write a division sentence for this array: XXXXX XXXXX XXXXX XXXXX 19. Name: ________________________________ Division Task Cards - Recording Sheet 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. J. Armstrong 2013 Division Task Cards - Recording Sheet (page 2) 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. J. Armstrong 2013 Division Task Cards – ANSWER KEY 1. 5 9. 13. 17. 21. 7 3 3 8 9 rows $5 per day 2. 6. 10. 14. 18. 22. 6 7 8 markers 10 miles 5 8 flowers per row 3. 7. 11. 15. 19. 23. 4 4 people 12 ÷ 3 = 4 or 12÷ 4 = 3 3 cookies 20÷4=5 Or 20÷5=4 9 crackers 4. 8. 12. 16. 20. 24. 7 bikes 5 books 4 4 students 7 cans 10 J. Armstrong 2013 Thank you for purchasing this product!! Fonts: Graphics/Borders/Backgrounds: Credits:
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