Multiplication
3x4=a
12
Draw equal shares to help you solve:
15/3=j
5
Mackenzie arranged her books into 6 rows of 5. Sabrina arranged her books into 5 rows of 6. Mackenzie says she has more books because she has more rows.
1. Is Mackenzie correct?
2. Use pictures, models, numbers, or words to explain why she is correct or incorrect.
3. Provide another example of an arrangement to support why Mackenzie is correct or incorrect.
Mackenzie is incorrect. The commutative property states that changing the order of the factors does not change the product.
Another example of an arrangement to support why Mackenzie is incorrect could be 10x9=90 and 9x10=90
What factor makes the equation true?
5x____=10
2
Draw equal groups to help you solve:
6x5=c
30
Draw equal shares to help you solve:
32/4=v
8
Courtney has 10 coins in 4 bins. Jen has 4 coins in 10 bins. Jen says they have the same number of chairs.
1. Is Jen correct?
2. Use pictures, models, numbers, or words to explain why she is correct or incorrect.
3. Provide another example of an arrangement to support why Jen is correct or incorrect.
Jen is correct. The commutative property states that changing the order of the factors does not change the product.
Another example of an arrangement to support why Jen is correct could be 10x9=90 and 9x10=90
What factor makes the equation true?
____x5=45
9
Draw an array to help you solve:
2x7=m
14
Draw an array to help you solve:
21/3=a
7
Bekah has 6 tables with 3 chairs at each table. Sierrah has 3 tables with 6 chairs at each table. Bekah says they have the same number of chairs.
1. Is Bekah correct?
2. Use pictures, models, numbers, or words to explain why she is correct or incorrect.
3. Provide another example of an arrangement to support why Bekah is correct or incorrect.
Bekah is correct. The commutative property states that changing the order of the factors does not change the product.
Another example of an arrangement to support why Bekah is correct could be 10x9=90 and 9x10=90
What divisor makes the equation true?
30/_____=3
10
Mrs. Les made 4 cookies for each of her 5 friends. How many total cookies did she make?
Mrs. Les made 20 total cookies.
Mrs. Les has 20 ounces of fruit punch. She fills some glasses with 5 ounces each. How many glasses does she fill?
Mrs. Les fills 4 glasses with fruit punch.
Mrs. Les has 10 boxes with 2 muffins in each. Ms. Appleton has 2 boxes with 10 muffins in each. Mrs. Les says she has more muffins because she has more boxes.
1. Is Mrs. Les correct?
2. Use pictures, models, numbers, or words to explain why she is correct or incorrect.
3. Provide another example of an arrangement to support why Mrs. Les is correct or incorrect.
Mrs. Les is incorrect. The commutative property states that the order of the factors does not change the product.
*show drawing of work*
Another example to show that Mrs. Les is incorrect could be 4x2=8 and 2x4=8
What divisor makes the equation true?
25/_____=5
5
Ms. Appleton planted 3 rows of vegetables in her garden. In each row, she placed 8 vegetable seeds. How many total seeds did she plant?
Ms. Appleton planted 24 vegetable seeds.
Ms. Appleton has 24 muffins to bake in her oven. She will bake an equal number of muffins in 4 rows of the oven. Which equation could Ms. Appleton use to know how many muffins to put in each row? Solve.
24/4=6
Mrs. Les has 4 bowls with 8 grapes in each bowl. Ms. Appleton has 8 bowls with 4 grapes in each bowl. Ms. Appleton says she has more grapes because she has more bowls.
1. Is Ms. Appleton correct?
2. Use pictures, models, numbers, or words to explain why she is correct or incorrect.
3. Provide another example of an arrangement to support why Ms. Appleton is correct or incorrect.
Ms. Appleton is incorrect. The commutative property states that the order of the factors does not change the product.
*show drawing of work*
Another example to show that Ms. Appleton is incorrect could be 4x2=8 and 2x4=8
What quotient makes the equation true?
40/10=______
4