Adding and Subtracting Integers

Adding Integers

100

8+5

13

200

-11+12

1

300

-25+28

3

400

-13+(-18)

-31

500

-35+22

-13

Subtracting Integers

100

23-5

18

200

-9-6

-15

300

-20-(-17)

-3

400

15-(-4)

19

500

38-(25)

13

Rules

100

When you add integers with the same sign you add the values of the integers and _________ the sign the same.

Keep

200

When you add integers with different signs you subtract the values of the integers and use the sign of the integer with the __________ absolute value.

Larger/Greater/Higher

300

When subtracting integers the first integer stays the __________.

Same

400

When subtracting integers you have to change the sign to a ________.

Addition sign

500

Subtracting integers is actually _____________ the ___________.

Adding the opposite

Fraction 2Decimal

100

1/3 =

0.3333...

200

3/8 =

0.375

300

1/2 =

0.5

400

7/8 =

0.875

500

What is my favorite movie?

The Princess Bride

Decimal 2 Fraction

100

0.8 =

4/5

200

0.33333....=

1/3

300

5.41

5 (41/100)

400

7.1 =

7 (1/10)

500

2.3041 =

2 (3041/10000)