Chapter 3 review Pre-Algebra

multiplying rational numbers/lowest terms

100

6(2/3)

4

200

-9(1/3)

-3

300

-5/6(-12/20)

1/2

400

3.1(2.6)

8.06

500

(-4.32)(7.1)

-30.672

dividing integers

100

1/4 divided by 5/8

2/5

200

-11/12 divided by (-44/54)

1 1/8

300

-10 divided by 4/5

-12 1/2

400

7.26 divided by (-.03)

-242

500

3.333 divided by .66

5.05

adding and subtracting with unlike denominators

100

3/5 + 1/4

17/20

200

7/12 + (-5/15)

1/4

300

7 - 5 7/8

1 1/8

400

-7 4/9 - (-7)

-4/9

500

4 7/10 - 11

-6 3/10

square roots

100

Two square roots of 144

+- 12

200

two square roots of 36

+- 6

300

two square roots of 121

+- 11

400

Use a calculator to find the value - round to the tenths place.... square root of 489

22.1

500

square root of 27 + 37

8

solving inequalities with rational numbers

100

x + 5.61 = 3.89

-1.72

200

3.3x = -108.9

-33

300

r/-7.6 = 3.05

-23.18

400

5/8 + y = 2 3/8

1 3/4

500

4 2/3y < -2 4/9

-11/21