6.6 Lesson 10 Practice Problems

What is the expression for the area of the large rectangle in the problem set?

• 2a + 3a + 4a

• 2a + 3 + 4

• a + 2 + 3 + 4

• 2 + 3 + 4a

How can the area of the large rectangle be expressed using addition and multiplication?

• (2 + 3 + 4)a

• 2a + 3 + 4

• a + 2 + 3 + 4

• 2a + 3a + 4

The area of the shaded rectangle is:

• 6(2-m)

• 6(m-2)

• 6m

• 12-6m

Select all the expressions that represent the total area of the rectangle.

• 5t + 4t

• t + 5 + 4

• 9t

• t(5+4)

Use the distributive property to write an equivalent expression for 35 · 91 - 35 · 89.

• 35(91 - 89)

• 35(91 + 89)

• 35(91 × 89)

• 35(91 ÷ 89)

Use the distributive property to write an equivalent expression for 22 · 87 + 22 · 13.

• 22(87 + 13)

• 22(87 - 13)

• 22(87 × 13)

• 22(87 ÷ 13)

Use the distributive property to write an equivalent expression for 9/11 · 7/10 - 9/11 · 3/10.

• 9/11(7/10 - 3/10)

• 9/11(7/10 + 3/10)

• 9/11(7/10 × 3/10)

• 9/11(7/10 ÷ 3/10)

Select all the expressions that are equivalent to 4b.

• b + b + b + b

• b + 4

• 2b + 2b

• b · b · b · b

• b ÷ 1/4