Topic 3

Select all of the partial products for 217 x 4.

• 28

• 38

• 40

• 800

• 80

In each of 3 games last month, Julia's bowling score was 195. Explain how to use mental math to find the total score for Julia's 3 games.

• 195 is close to 200, so multiply 3 x 200 and then add 3 x 5

• 195 is close to 200, so multiply 3 x 200 and then add 200 + 195

• 195 is close to 200, so multiply 3 x 200 and then subtract 3 x 5

Mrs. Wallingford sells trading cards in boxes of 30 and in boxes of 60. If she sells 5 boxes of 60 and 6 boxes of 30, how many trading cards did Mrs. Wallingford sell?

• 40 trading cards

• 480 trading cards

• 500 trading cards

• 4,800 trading cards

What are the partial products when finding 2,361 x 4? Select all that apply.

• 8,000

• 1,200

• 4,600

• 240

• 4

The Bumblebee bakery is taking orders for cupcakes. The cupcakes are sold in boxes. If there are 8 Blackberry Bliss cupcakes in each box, how many Blackberry Bliss cupcakes were ordered?

The Bumblebee bakery is taking orders for cupcakes. The cupcakes are sold in boxes. If there are 8 cupcakes in each box of the Surprise Assortment, how many Surprise Assortment cupcakes were ordered?

Select all the expressions that could be used to find 327 x 9.

• 327 + 9

• 9 x 327

• 9 x (300 + 20 + 7)

• (9x 300) + (9x20) + (9x7)

• 9 + (300 + 20 + 7)

Find 224 x 4.

The table shows the number of sandwiches sold in a busy deli in 1 month. If the same number of turkey sandwiches were sold for 4 months in a row, how many turkey sandwiches would be sold in all?

Which expression has the same value as 3 x 156?

• (3 x 1) + (3 x 5) + (3 x 6)

• (3 x 100) + (3 x 50) + (3 x 6)

• (3 x 100) + (3 x 5) + (3 x 6)

• (3 x 1) + (3 x 50) + (3 x 600)