Unit 1 Mid-Topic

Types of Numbers

100

Numbers that include whole numbers and their opposites

Integers

200

What type of numbers combine to equal zero

Opposites

300

A decimal that ends with a zero

Terminating Decimal

400

Any number that can be written as a fraction

Rational Numbers

500

What type of number is an integer but not a whole number

Negative number

Adding Integers

100

-9 + -11

-20

200

-10 + 8

-2

300

-300 + 154

-146

400

457 + (-678)

-221

500

-1927 + (-7615)

-9542

Subtracting Integers

100

9 - 12

-3

200

-3 - 5

-8

300

4 - (-2)

6

400

-3 - (-12)

9

500

328 - (-126)

454

Adding Rational Numbers

100

2/3 + 5/6

3/2 or 1 1/2

200

3.4 + (-8.3) 

-4.9

300

-3/4 + 1.56

0.81 or 81/100

400

-32.6 + 21 1/2

-11.1 or -11 1/10

500

98 1/4 + 178.213

276.463 or 276 463/1000

Subtracting Rational Numbers

100

-3.2 - 9.3

-12.5

200

-4/5 - (-1/2)

-3/10 or -0.3

300

2/5 - (-12.3)

12.7 or 12 7/10

400

-12.45 - (-4/5)

-11.65 or -11 13/20

500

-13/21 - 7/9

-88/63 or -1 25/63