Topic 3

Which equations can be used to break apart this array and see how many counters there are?

• (3 x 7) + (4 x 7)

• (6 × 3) + (6 × 1)

• (4 × 7) + (2 × 7)

• (4 × 4) + (2 × 3)

Which equation shows the Commutative Property (flip flop the numbers)?

• 6 x 5 = 7 x 2

• (3 x 2) x 1 = 1 x (3 x 2)

• 8 x 4 = 32

• 10 x 10

Which is a correct way to break apart the equation 8 x 6 using the distributive property?

• 2 x 4 = 2 x 4

• (5 x 3) = (5 x 3)

• (4 x 6) + (4 x 6)

• 5 x (1 x 7)

What equation represents a large array that's broken apart into (4 x 5) + (5 x 5)?

• 15 + 25 = 40

• 32 + 20 = 52

• 20 + 25 = 45

• 10 x 6 = 60

What fact can you use to find 7 x 8?

• (7 x 3) + (7 x 1)

• (7 x 4) + (7 x 4)

• (8 x 2) + (8 x 7)

• (6 x 4) + (5 x 2)

A restaurant uses 6 signs in each display. There are 2 displays on each of the 4 walls. How many signs are used in the displays? Choose the equation you would use to solve.

• 6 x (5 x 4) = 120 signs

• 4 x (4 x 4) = 64 signs

• 6 x (2 x 4) = 48 signs

• 3 x (5 x 4) = 60 signs

Which addition equation is the same as (3 x 4) + (1 x 4)?

• 12 + 4 = 16

• 15 + 6 = 21

• 12 + 10 = 22

• 4 + 9 = 13

Anna has 7 bags of pencils. There are 9 pencils in each bag. How many pencils does Anna have?

• 7 x 5 = 35 pencils

• 9 x 9 = 81 pencils

• 7 x 9 = 63 pencils

• 2 x 5 = 10 pencils

What equation can be used for this array?

• (1 x 8) + (3 x 8)

• (4 x 4) + (4 x 4)

• (2 x 8) + (8 x 8)

• (1 x 5) + (3 x 5)

Sally bought 3 hamburgers for $4 each and 6 hot dogs for $3 each. How much did she spend altogether?

• (3 x 4) + (6 x 3) =$30

• (5 x 4) + (3 x 3) =$29

• (3 x 2) + (3 x 2) =$12

• (8 x 4) + (4 x 3) =$44