Topic 3 Math Review

Sarah arranged some buttons in an array. Which expressions can be used to find the total number of marbles? Select all that apply.

• 3x5

• 4x5

• 6x4

• 5x4

Which equation shows the Distributive Property?

• 4×(5×2)=(4×2)×5

• 6×2×1=1×6×2

• 7×2=(3×2)+(4×2)

• 1×0=0

Every day Max runs 7 miles on the track. How many miles does Max run in 1 week? Write an equation and solve.

• 1 x 7 = 7

• 7 x 8 = 56

• 7 x 7 = 49

• 7 x 6 = 42

Danny has 5 boxes of cupcakes. There are 3 cupcakes in each box. Which equation can be used to find the number of tennis balls Danny has?

• (3 × 3) + (2 × 2) = ?

• (3 × 3) + (2 × 3) = ?

• (4 × 1) + (1 × 4) = ?

• (3 × 2) + (4 × 1) = ?

Using the Distributive Property, which expression is equivalent to (8 × 2) + (8 × 1)?

• 16 × 1

• 16 × 3

• 8 × 3

• 8 × 2

Which property is being used?

(2 × 3) × 4 = 2 × (3 × 4)

• The Identity (One) Property of Multiplication

• The Commutative Property of Multiplication

• The Distributive Property of Multiplication

• The Associative Property of Multiplication

Allie makes the generalization that a 6s fact can be broken into 5s and 1s facts. Complete the equation to test her generalization.

6 × 7 = (___× 7) + (1× 7) = 35+7 = 42

Which facts can you use to find 4 × 9? Select all that apply.

• 2 × 6 and 4 × 3

• 2 × 8 and 3 × 7

• 1 × 9 and 4 × 9

• 2 × 9 and 2 × 9

• 3 × 9 and 1 × 9

In music class there were 2 boxes of drums on each table. There were 4 tables.

There were 5 drums in each box. How many drums were in the music class?

• 8

• 20

• 22

• 40

Solve: 7x6