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13Number Card Puzzles Unit
CMath Vo abulary division sentence: a mathematical statement with an equal sign that shows the grouping of a
number into equal parts
2 . Write the number sentence to solve the problem. 2. Have students find the relevant numbers for
each word problem. Then, have them find
a. 48 families live in Building A of Sing-Sing Apartments. If 6 families live on words that give clues to whether they must use
each floor, how many floors does Building A has? a multiplication or a division sentence or both.
Number sentence: 48 6 8 8 floors Example: 2a.
Understand the Question
b. There are 35 bananas on the table. If 7 bananas are put into each basket, Q: What are you trying to find?
how many baskets are needed? A: How many floors are there in Building A.
Q: What do you already know?
Number sentence: 35 7 5 5 baskets A: 48 families live in Building A, and 6
families live on each floor.
c. Students are standing in lines There are 4 lines of 2 students each. The Plan the Process
teacher is trying to divide 32 pieces of chocolate among the students. Q: How will you solve the problem?
How many pieces of chocolate does each student receive? A: Use a division sentence.
Solve the Problem
Number sentence: 4 28 32 8 4 4 pieces Q: Solve the number sentence.
A: 48 6 = 8, there are 8 floors in Building A.
d. There are 3 boxes with 3 muffins in each box. You have 18 cherries. If you put Look Back
the same amount of cherries on each muffin, how many cherries will be on Use the related division and multiplication
each muffin? sentences to check your answer.
6 8 48
Therefore, there are 8 floors.
Number sentence: 3 39 18 9 2 2 cherries
13. Number Card Puzzles 121
Find the fact family of A B product when the two factors are A and B.
A B product
B A product
Product A B
Product B A
3A Unit 13 195
CMath Vo abulary division sentence: a mathematical statement with an equal sign that shows the grouping of a
number into equal parts
2 . Write the number sentence to solve the problem. 2. Have students find the relevant numbers for
each word problem. Then, have them find
a. 48 families live in Building A of Sing-Sing Apartments. If 6 families live on words that give clues to whether they must use
each floor, how many floors does Building A has? a multiplication or a division sentence or both.
Number sentence: 48 6 8 8 floors Example: 2a.
Understand the Question
b. There are 35 bananas on the table. If 7 bananas are put into each basket, Q: What are you trying to find?
how many baskets are needed? A: How many floors are there in Building A.
Q: What do you already know?
Number sentence: 35 7 5 5 baskets A: 48 families live in Building A, and 6
families live on each floor.
c. Students are standing in lines There are 4 lines of 2 students each. The Plan the Process
teacher is trying to divide 32 pieces of chocolate among the students. Q: How will you solve the problem?
How many pieces of chocolate does each student receive? A: Use a division sentence.
Solve the Problem
Number sentence: 4 28 32 8 4 4 pieces Q: Solve the number sentence.
A: 48 6 = 8, there are 8 floors in Building A.
d. There are 3 boxes with 3 muffins in each box. You have 18 cherries. If you put Look Back
the same amount of cherries on each muffin, how many cherries will be on Use the related division and multiplication
each muffin? sentences to check your answer.
6 8 48
Therefore, there are 8 floors.
Number sentence: 3 39 18 9 2 2 cherries
13. Number Card Puzzles 121
Find the fact family of A B product when the two factors are A and B.
A B product
B A product
Product A B
Product B A
3A Unit 13 195
