Topic 1A Review

Integers

100

-1 + 14

13

200

-5 + (-26)

-31

300

10 - (-10)

20

400

-6 - 14

-20

500

-38 - (-97)

59

Fractions

100

1/4 + (-3/4)

-1/2

200

-3/10 + (-1/2)

-4/5

300

1/3 - (- 1/5)

8/15

400

-2/7 - 3/4

-29/28 OR   -1 1/28

500

-8/9 - (-3/7)

-29/63

Decimals

100

5.6 + (-10.9)

-5.3

200

-9.12 + (-7.55)

-16.67

300

4.53 - (-0.9)

5.43

400

-6.12 - 8.732

14.852

500

-5 1/2 - 1.75

-7.25 OR -7 1/4

One Step Equations

100

x - 4 = 0

Must Show Work with Answer

x = 4

200

-3 + x = 20

Must Show Work with Answer

x = 23

300

x - 5.5 = -6.5

Must Show Work with Answer

x = -1

400

1/2 = x - 8/9

Must Show Work with Answer

x = 25/18 OR x = 1 7/18

500

99 = x + 4256

Must Show Work with Answer

x = -4157

Classifying Numbers & Opposites

100

On a cold winter morning, the temperature was -4^oF. By noon, the temperature had increased 4^oF. What was the temperature at noon?

0^oF

200

Audrey deposits $27 into her account. Then she makes two withdrawals, one for $15 and one for $12. What is the total change to the balance of Audrey's account after all 3 transactions?

$0

300

What is the opposite of -5.12?

5.12

400

What type of number would 0.625 be classified as?

A rational number (it terminates)

500

What is the decimal equivalent of 9/11?

0.8181818181..... OR written with a bar.