Operation and Algebraic Thinking

Theo had 24 toy cars. They were all either red, blue, green, or yellow. If Theo sorted the cars by color, how many toy cars would be in each group?

• 8 cars

• 4 cars

• 12 cars

• 6 cars

Which number can replace the variable in the equation below?

h ÷ 4 = 9

• 34

• 27

• 45

• 36

Which expression matches the picture below?

• 4 x 4

• 3 x 4

• 4 x 3

• 3 x 3

What is one way to break apart the array below?

• (4 x 4) – (4 x 1)

• (4 x 2) + (4 x 4)

• (4 x 4) + (4 x 4)

• (4 x 2) + (4 x 2)

Which number can replace the symbol in

the equation below?

• 27

• 6

• 9

• 3

Cailon bought 7 packs of soda cans for a party. Each pack contained 8 soda cans. What is the total number of soda cans that Cailon bought?

• 48

• 56

• 64

• 72

Nathan places 8 apples into each of 9 bags. He uses the equation 9 x 8 = ____ to find the total number of apples. Which expression could Nathan also use?

• (9 + 5) x (9 + 3)

• (9 x 5) + (9 x 3)

• (9 + 4) x (9 + 4)

• (9 x 8) + (9 x 1)

Becky and Lana were making brownies. Becky made 28 brownies, and Lana made 53 brownies. Then they put their brownies together, and put nine brownies into each bag. How many bags did they have total?

• 81

• 8

• 9

• 28

Which repeated addition sentence matches 7 x 3?

• 7 x 7 x 7

• 3 x 3 x 3 x 3 x 3 x 3 x 3

• 7 + 7 + 7

• 3 + 3 + 3 + 3 + 3 + 3 + 3

Mike’s mom made three packages of ten cookies each. Mike came home with five friends. If all of the cookies were shared equally between Mike and his friends, how many cookies will Mike and each friend receive?

• 6 cookies each

• 5 cookies each

• 8 cookies each

• 4 cookies each