7th grade Expressions Review

Factoring

100

Simplify the following expression by factoring: 

18x + 72

9 (2x + 8)

 

200

**DOUBLE JEOPARY**

Simplify the following expression by factoring:

-14x + 42

-14(x - 3)

300

Simplify the following expression by factoring: 

-45x - 25

-5 (9x + 5)

400

Simplify the following expression by factoring: 

10x + 8y

2 (5x + 4y)

500

Simplify the following expression by factoring: 

-36x + 60y - 48

-12( 3x - 5y + 4)

Combine Like Terms

100

Simplify the following expression:

2x+7+3x

5x+7 

200

Simplify the following expression:

−4y+5−y−8

−5y−3

300

Simplify the following expression: 

5+4c−c−13

3c−8

400

Simplify the following expression: 

x+3y−6z+4x

5x+3y−6z

500

Simplify the following expression: 

8u−6+7u−10−5u+4

10u−12

Distribute

100

Simplify the following expression:

5(x−4)

5x−20

200

Simplify the following expression:

−3(2w−7)

−6w+21

300

Simplify the following expression:

5(2h−4)+6h

16h−20

400

Simplify the following expression:

−4(d−3f)−14f

−4d−2f

500

Simplify the following expression:

−5(−3x−7y+4)

15x+35y−20

Linear Expressions

100

Add the linear expressions:

(2x−7)+(3x+9)

5x+2

200

Add the linear expressions:

(c−2)+(3c+2)

2c

300

Subtract the linear expressions.

(6w+6)−(−w−3)

7w+9

400

Subtract the linear expressions:

3(5k−1)−(−6k+2)

21k−5

500

Subtract the linear expressions:

(4r−7)−3(3−r)

7r−16

Translate

100

Write an algebraic expression to model the following situation: 7 more than one-half of p

0.5p+7

OR

p/2+7

OR

1/2P+7

200

Jim is j years old. Alex is 4 years younger than Jim. How old is Alex in terms of j?

j-4

300

**DOUBLE JEOPARDY**

Write an algebraic expression to model the following situation: 17 less than the quotient of k and 4

k/4 - 17

400

Write an algebraic expression to model the following situation: 6 less than the product of 8 and k

8k - 6

500

Write an algebraic expression to model the following situation: The product of k minus 2 and 3

3(k-2)