Topic 10 Review

Adam gives each of his 5 friends a baseball card album. Each album holds 30 cards. How many baseball cards can the albums hold in all?

• 160

• 399

• 150

• 240

Select all the expressions equal to 7x40.

• (7x4)x10

• (7+4)x10

• 4x70

• 7x(4x40)

• 28x10

Select all the expressions equal to 3x90.

• (3x9)x10

• (3+9)x10

• 9x30

• 3x(9x10)

• 27x10

Select all the expressions that are equal to 3x60.

• (3x6)x10

• 9x10

• 36x10

• 18x10

• 6x(3x10)

Which equation is an equivalent expression to 4x50?

• 20x10

• 42x10

• 35x10

• 28x10

Which equation is an equivalent expression to 8x90?

• 20x10

• 42x10

• 40x10

• 72x10

Which equation is an equivalent expression to 4x20?

• 20x10

• 21x10

• 40x10

• 8x10

Which equation is an equivalent expression to 1x90?

• 20x10

• 21x10

• 9x10

• 8x10

What is 6x40?

• 20

• 34

• 120

• 240

Alice reads 50 pages each day. How many pages does she read in 7 days?

• 160

• 210

• 350

• 200