Algebra Chapter 1

Integers, Fractions

100

-6 + 7 + -9

-8

200

3(-2)(-3)

18

300

(1/5) + (-3/4)

-11/20

400

(1 1/2) x (-1 1/3)

-2

500

3/5 divided by 1/4

2 2/5

Decimals, Exponents, Square Roots

100

-.333 divided by -0.3

1.11

200

(-3)⁴

81

300

2² x 2⁴

64

(2⁶)

400

square root of 400

20

500

Simplify in exponent form 

(5³)³

5⁹

Prime Factorization, GCF, LCM, Functions

100

Find Least Common Multiple for 24 and 15

120

200

Find Greatest Common Factor for 120 and 180

60

300

Is M = ( (2,3), (4,5), (7,8), (7,9) ) a function? Why?

No, because 7 is paired with two y-values.

400

Name the property that is illustrated: 

1 x 209 = 209

Identity Property of Multiplication

500

Find the prime factorization for 108. Express using exponents.

2² x 3³

Order of Operations, Scientific Notation

100

Write 321,000,000 in scientific notation

3.21 x 10⁸

200

Write .00000362 in scientific notation

3.62 x 10^-6

300

6 + 7 x 6 - 5

43

400

3((6-2) + 3²)

39

500

7(6+7) - 5²

66

Ratios, Proportions, %

100

Solve the proportion:

1/2 = x/5

x = 2 1/2

200

Find 15% of 90

13.5

(90 x .15 = 13.5)

300

6 is what % of 30

20%

(6/30 = 0.2 = 20%)

400

In a class of 45 students, 80% received A's on a math test. How many students received an A?

36 students

(45 x 0.8 = 36)

500

John spent $15. If this was 20% of his earnings, how much money did he earn?

$75

(.2x=15)