Unit 2 Review

Choose the products that complete the pattern:

7 x 8 = 56

70 x 8 = 560

70 x 80 = 5,600

7 x 800 = ?

7 x 8,000 = ?

• 5,600 and 56,000

• 5,600 and 5,600

• 56,000 and 56,000

• 56,000 and 5,600,000

Multiply.

4 x 8,938

• 3,572

• 350,725

• 35,752

• 35,162

Multiply.

3 x 6,297

• 6,891

• 1,889

• 18,918

• 18,891

Multiply

5 x 792

• 4,000

• 3,550

• 3,000

• 3,960

Find the exact cost.

A farmer buys 3 cows. Each cow costs $397. How much did the farmer spend in all?

• $1,191

• $397

• $971

• $991

Choose all the equations that are true

• 4 x 8 = 32

• 4 x 80 = 3,200

• 4 x 800 = 3,200

• 40 x 80 = 32,000

Which statements are true? Select ALL that apply.

• 40 x 5 is less than 45 x 5

• An estimate for 45 x 5 is 5,000

• 45 x 5 is less than 250

• 45 x 5 = (4 x 5) + (5 x 5)

Multiply.

30 x 80

• 240

• 2,400

• 24

• 24,000

Use an area model to multiply.

12 x 39

• 3,618

• 144

• 468

• 548

Each student in Mr. Evans's class has 55 sheets of construction paper. If there are 21 students, how many sheets of construction paper are there in all?

• 1,155

• 76

• 11,055

• 1,055