7th Grade Mid-Term Review

Integers

100

-13 + -25

-38

200

-130 - 65

-195

300

-15 + 33

18

400

15 x -95

-1,425

500

-196/-14

14

Combine Like Terms w/Distribution

100

6x - 2(x + 4)

4x - 8

200

9(6a + 3) - 4

54a + 23

300

1/2(3x- 9) + 13x

14.5x - 3

400

-(n + 2) - 2n

3n - 2

500

3x + 3(1 + 8x)

27x + 3

Constants of Proportions using Tables (Coordinates)

100

x: 2, 4, 6, 8

y: 12, 24, 36, 48

6

200

x: 9, 4, 2, 11

y: 63, 28, 14, 77

7

300

Solve for the missing coordinates:

x: 0, 1, ____, 3

y: 0, 4, 8, _____

x = 2

y = 12

400

x : 0, 1, 2, 3

y: 0, 3, 6, 9

3

500

Cost($): 15, 36, 45, 60

Pounds of Apples: 5, 12, 15, 20

1/3

Translate or Word Problems

100

Translate and Solve:

Twice a number less 3 is 9

2x - 3 = 9

x = 6

200

Kamiya went to Chili's to eat dinner. She ordered fried pickles for $7.99, chicken fried steak dinner for $21.79, molten lava cake for $9.99, and a coke for $3.69. What would be the tax on the meal if the tax is 7.5%?

$2.73

300

Translate and Solve:

Sixteen less from 72 times a number is 344

72x - 16 = 344

x = 5

400

The product of five and a number plus 16 is 31

5x + 16 = 31

x = 3

500

You and your crew open a food truck. You were paid to cater an event with a maximum of $500. The customer is going to give a 25% tip for this service. How much is the tip BEFORE you separate it up?

$125

Solve the Equation

100

Solve for x:

2x + 4 = 14

x = 5

200

Solve for x:

3/4x + 6 = 15

x = 6 3/4

300

Solve for x:

3x - 5 =13

x = 6

400

Solve for n:

25 = 4n + 5

n = 5

500

Solve for x:

-6(x + 8) = -12

x = -6