Lesson 14 Practice Review

Which expressions are equivalent to 30 + 20? Choose all that apply.

• A, B, C

• B and F

• B, C, D

• B, D, E

• E and F

Tags

CCSS.1.OA.B.3

2. Write the expression to represent the total number of cones and tennis balls as a sum.

Tags

CCSS.2.OA.A.1

Write an expression to represent the total number of cones and tennis balls as a product of two factors.

Tags

CCSS.6.EE.A.1

3. 10x + 110y

Write the written expression as a product.

__ (x + 11y)

Tags

CCSS.7.EE.A.1

4. 30a + 15b

15 ( __ a + __ b)

Tags

CCSS.7.EE.A.1

5. 24t + 30w

__ (4t + 5w)

Tags

CCSS.7.EE.A.1

6. 20f + 45g

5 ( __f +__g)

• 2 and 9

• 4 and 9

• 9 and 4

• 1 and 3

Tags

CCSS.7.EE.A.1

7. 5c + 5d

5 (__ c + __d)

• 5 and 1

• 1 and 2

• 1 and 1

• None of the above

Tags

CCSS.7.EE.A.1

8. Factor the expression.

16 + 40

Answer explanation

The GCF is 8.

Tags

CCSS.7.EE.A.1

9. 7a + 49b

Answer explanation

The GCF is 7.

Tags

CCSS.7.EE.A.1