GoMath Chapter 7

Algebraic Expressions

100

the sum of x and 2

x+2

200

eighty-one less than a number 

j-81

300

one half of k 

1/2 k 

400

It costs $10 per month for streaming service membership. Members pay $3 per movie they watch. Let m represent movies in a month. Write an expression

10+3m

500

The price of basketball shoes is $10 less than 4 times the price of a basketball. Let b represent the price of a basketball. Write an expression

4b-10

Exponents

100

What exponent represents "Cubed"

x³ 

200

Evaluate 2^{4 = ?}

16

300

Evaluate 125=5^?

5³

400

What number is equivalent to 7³?

343

500

How is 81 written as an exponent using 3 as the base?

3⁴

Evaluate

100

u+4u

u=6

30

200

7b÷b

b=2

7

300

(12-9)xc

c=10

30

400

6(y-2)

y=4

12

500

z⁴ ÷ z

z=2

8

Combine Like Terms

100

3m+2m

5m

200

6y+y+2y

9y

300

5c+4+c+2

6c+6

400

7n+4n-4n+7

7n+7

500

2p+4-8m+4p-5

6p-8m-1

Distributive Property (E.C)

100

EVALUATE

3(h+2)

3h+6

200

True or false: Both expressions are correct.

R x 8 

(R x 6) + (R x 2) 

TRUE

300

Use the distributive property to write this expression another way...

g x (3+4)

(gx3) + (gx4)

400

Use distributive property to write this problem another way...

(kx9)+(kx5)

k(9+5)

500

Another way to write 

v x 12 + v x 3

v x (12 + 3)