PreAlgebra

1
Pre-Algebra

• Semester Exam
• Review Questions
• Part I

2
Simplify

• 12 12 x 4 10 23
• Answer 30.2

3
Simplify

• 42 2 x 44
• Answer 528

4
Simplify

• (x6)8
• Answer x48

5
Simplify

• z5
• z2
• Answer z3

6
Evaluate

• 3x2 4 for x -1
• Answer -1

7
Evaluate

• ad_
• a d for a 14 and d 10
• Answer 5.83

8
Simplify

• - 11
• Answer -11

9
Simplify the Expression

• 10b 9 6b 7
• Answer 4b 16

10
Use the Distributive Property to Multiply

• -6(-t 3)
• Answer 6t - 18

11
Solve the Equation

• 8v 40
• Answer 5

12
Solve the Equation

• b/12 7
• Answer 84

13
Solve the Equation

• 10 k 3
• Answer 7

14
Solve the Equation

• 6 c/-6
• Answer -36

15
Solve the Equation

• Identify the underlined place in 13.08444. Then
  round the number to that place.
• Answer thousandths 13.084

16
Solve the Equation

• Estimate 6.28 6.77 by rounding before you add
  or subtract.
• Answer about 13

17
Write using exponents

• (x)(x)(y)(y)(y)(y)(y)(y)
• Answer x2y6

18
Find the GCF

• 18 and 27
• Answer 9

19
Find the LCM

• 14 and 12
• Answer 84

20
Compare the Fractions

• 7/8 2/3
• Answer gt

21
Find the Cost

• At the school store, 6 pencils sell for .99. At
  this rate, what is the cost of 16 pencils?
• Answer 2.64

22
Find the value of c

• 12/20 c/100
• Answer 60

23

• Write 843,000,000 in scientific notation.
• Answer 8.43 x 108

24
Find the value of a

• 16/20 8/a
• Answer 10

25
Write the fractions as a decimal. Terminating or
Repeating?

• 18
• 25
• Answer 0.72 terminating

26
Solve the inequality

• m/-2 gt -6
• Answer m lt 12

27
Solve the proportion

• b/10.5 157.5/52.5
• Answer 31.5

28

• Find P (rolling 2 or 6) with one number cube
• Answer 1/3

29

• Find 15 of 600. Round to the nearest tenth of a
  percent if necessary.
• Answer 90.0

30
Write the decimal as a percent

• 0.181
• Answer 18.1

31
Write fraction as a percent

• 3/5
• Answer 60