7th Grade Math Reviw

Solving for x

100

4x=20

x=5

200

3+6x=45

x=7

300

x/5=90

x=18

400

1/4x=24

x=96

500

3/5 x=36

x=60

Solving Proportions

100

1/4=x/100

x=25

200

2/5=x/100

x=40

300

4/6=3/x

x=4.5

400

Miss. Nellenback's car can hold 14.8 gallons of gas, how many gallons is a quarter of a tank?

Correct answer must have a proportion set up, and solve. 

A quarter of the tank is 3.7 gallons

x/14.8=1/4

500

Miss. Nellenback sees a dog toy on sale for 30% off. The toy is listed at $17. Set up a proportion, and find out how much the dog toy is going to cost. 

The dog toy will be $11.90.

x/17=30/100

Conversions

100

What is the percentage of (round to the nearest whole number)

2/9

22%

200

What is 0.35 as a fraction in simplest form?

7/20

300

What is the decimal equivalency to the fraction 

12/96

0.125

400

What is 65% of 28?

18.20

500

If a $45 item is 60% off, how much will the new item be?

$18

PEMDAS

100

9*8-13=

59

200

2^4=

16

300

4^2*2^2-8*2=

48

400

(3^2+5^2)-4^3=

-30

500

32*(3+2)+8/2=

164

Combining Like Terms

100

5x+3x+6x

14x

200

3x-7x+2x-6x

-8x

300

7+2x-4x+15+9x

7x+22

400

3x-2x+8-2+7x+6-2+4x

12x+10

500

8a+3b-4c-7a+2c-1b+9c

1a+2b+7c

Facts About Miss. Nellenback

100

Miss. Nellenback has how many pets?

2 pets! 

1 cat and 1 dog

200

Who is Miss. Nellenback's favorite basketball player?

Kobe Bryant

300

What color is Miss. Nellenback's favorite?

Blue

400

What is Miss. Nellenback's dogs name?

Harper

500

What sports did Miss. Nellenback play in high school?

MUST LIST ALL 3!

Soccer, basketball, softball