Math Review

Jamal drew a picture. Which number sentence goes with Jamal’s picture?

• 2 + 4 + 2 + 4 = 2 × 6

• 2 + 2 + 2 + 2 + 2 + 2 = 3 × 4

• 8 + 8 = 16

• 4 + 4 + 4 = 3 × 4

• Start at 0. Skip count by 5s three times.

• Start at 3. Skip count by 5s three times.

• Start at 0. Skip count by 3s one time.

• Start at 3. Skip count by 15s five times.

Alexis said, “According to the Commutative Property of Multiplication, you can write 3 × 7 = 21 another way.” If 3 × 7 = 21, then

• 7 + 7 + 7 = 21.

• 7 × 3 = 21.

• 3 + 3 + 3 + 3 + 3 + 3 + 3 = 21.

• 6 × 7 = 42.

• 5 × 5 = 25

• 5 × 2 = 10

• 2 × 2 × 2 × 2 × 2 = 32

• 5 + 2 = 7

Shanay planted 4 rows of flowers with 4 flowers in each row. How could you write the addition sentence as a multiplication sentence?

4 + 4 + 4 + 4 = 16

• 4 × 4 = 16

• 5 × 2 = 10

• 2 × 2 × 2 × 2 × 2 = 32

• 5 + 2 = 7

Ms. Alvarez has 3 onions. Mrs. Varela has 4 times as many. Which multiplication fact shows how many onions Mrs. Varela has?

• 3 + 4 = 7

• 3 × 3 = 12 - 3

• 4 × 3 = 12

• 3 × 3 = 6

Madison was organizing her sock drawer. She made 6 piles of socks. Each pile had 3 pairs of socks. Which multiplication sentence shows the total number of pairs of socks?

• 6 × 2 = 12

• 2 × 3 = 6

• 6 × 3 = 18

• 6 × 3 × 2 = 36

At a pet store, there are three rows of birdcages hanging from the ceiling, with eight cages in each row. How could you show the same number of cages by using the Commutative Property of Multiplication?

• eight rows of three cages

• three rows of nine cages

• 3 + 9 = 12

• nine cages of three rows

A car dealership has five rows of economy cars in its lot. Each row has four economy cars. If each car has four tires, how many tires are in the five rows of economy cars?

• 81

• 20

• 28

• 80

Denise wanted to write a multiplication story about this multiplication fact: 4 × 8 = 32. Which group could she use in the story?

• 8 grapefruit in each of 4 bags

• 16 cartons of 2 percent milk

• 4 boxes of 32 mangos

• 36 carrots in 4 bags