7th Grade Math Review

Integers

100

- 28 - 10

-38

200

10 - (-25)?

35

300

-18 - 18=?

-36

400

-50+500=?

450

500

27 - (-20) - 7

40

Order of Ops

100

-2(3 - 1) + 7²

53

200

51 - 5 x 3² 

6

300

2 + 2 x 2 - 2 x 2 + 2 

4

400

What is the value of 5⁴ ?

625

500

-8 + 5 x 10 x 2

92

Inequalities

100

solve for x.

-5x > 10

x < -2

200

Solve for x

4x + 2 > 10

x > 2

300

solve for x.

-8x < -56

x > 7

400

solve for x.

-2 + 5x > 18

x > 4

500

solve for x.

12x - 5 < 91

x < 8

Equations

100

Solve for n. n+6=46

n=40

200

Solve for n. 26 =-3n-13

n=-13

300

Solve for n. 5n+75=100

n=5

400

Solve for n. -8n + 2 = 66

n=-8

500

solve for n.    2.5n = 10

h=4

Vocab

100

"is" over "of" = "%" over "?"

100

200

In order to add or subtract fractions, you must have a ___________________  _____________________?

Common Denominator

300

An answer to a division problem is known as a _______________?

quotient

400

What "property" would I use to get rid of these parentheses?   3(-2x +5)

Distributive

500

What is the formula to find percent of change?  

Amount of change divided by _____________?

the original