SS 7th G Review

Exponents

100

3^{3 =}

27

200

8³=

512

300

2⁶-3²=

55

400

8⁴+3³=

8⁴⁼ 4096

3³=27

4096+27= 4123 

500

4⁴+(-3³)

4⁴=256

-3³=-27

256+ (-27)=229

Decimals/Percentage

100

Change this decimal into a percentage

0.023

2.3%

200

Change this percentage into a decimal

99%

.99

300

Find the decimal and percentage of the following, round to the nearest hundredth 

5/40

Decimal 0.125

Percentage 12.5%

400

Find the product of the following

12.5 x 0.06 =

12.5 x 0.06 = 0.75

500

Find the quotient of the following:

3/0.15=

3/0.15=20

Random

100

Find the variable 

81=9a

a=9

200

Find the variable for each equation

27=9a

69=8b+5

130=12k-14

a=3

b=8

c= 12

300

53% x 400 = 

53% = .53

.53 x 400 = 212

400

Solve the equation

7x8x9x10x4x123456789x0+3+4-5x6x5/4x0-2

7x8x9x10x4x123456789x0+3+4-5x6x5/4x0-2

7x8x9x10x4x123456789x0+3+4+5x6x5/4x0-2

7-2=4

500

You are driving 60mph(miles per hour) 

a) How long would it take you to drive 60 miles?

b) How long would it take you to drive 15 miles?

c) How long would it take you to drive 75 miles?

a) 1 hr

b) 15 minutes

c) 1hr and 15 minutes

Distributive Property

100

Use Distributive Property to solve the following. You must show your work.

2(5+6)

2(5+6)

(2x5)+(2x6)

10+12

22

200

Use Distributive Property to solve the following. You must show your work.

8(12-7)=

8(12-7)

(8x12)-(8x7)

96-56

40

300

Use Distributive Property to solve the following. You must show your work.

15(3a+(-7))

15(3a+(-7))

(15x3a)+(15x(-7))

45a+(-105)

400

Use Distributive Property to solve the following. You must show your work.

16(7a-4a)

16(7a-4a)

(16x7a)-(16x4a)

112a-64a

48a

500

Use Distributive Property to solve the following. You must show your work.

3(4a³+15a²-7a)

3(4a³+15a²-7a)

(3x4a³)+(3x15a²)-(3x7a)

12a³+45a²-21a

Long Multiplication/Division

100

13x8=

104

200

22x45=

990

300

840/5

168

400

185/8=

23.125

500

456x789=

359,784