Simplify this expression

3.4m + 2.4m

Answer explanation

Answer: 5.8m

Tags

CCSS.7.EE.A.1

Combine like terms to complete equivalent expressions

n + n + n+ n

Answer explanation

Answer: 3n

Tags

CCSS.6.EE.A.4

Combine like terms to complete the equivalent expressions.

3n+ 6 -n -4=

Answer explanation

Answer: 2n + 2

Tags

CCSS.7.EE.A.1

Evaluate the numerical expression

5 x (2 + 1)

• 11

• 15

• 10

• 9

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

3x + 8   if x = 2

• 13

• 14

• 15

• 16

Tags

CCSS.6.EE.A.2C

Evaluate 2 + 4 x 2

• 10

• 12

• 8

• 16

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Evaluate the numerical expressions. Decide whether they are equivalent.

15 + 5

4 x 5

• The expressions are equivalent

• The expressions are not equivalent

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Evaluate the numerical expression

2(10 + 5)

• 25

• 17

• 30

• 10

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the variable for 7r?

• 7

• r

• 7r

• multiplication

Tags

CCSS.6.EE.A.2B

What is the coefficient for 7r?

• 7

• r

• 7r

• multiplication

Tags

CCSS.6.EE.A.2B