Adding and Subtracting Positive and Negative Integers

Chapter 2.2

Part Two

No viewing screen is needed today!That’s why this is white, for the whiteboard.

Warm Upwithout calculators, please

1 1

4 4

(Add opposites)

15 ( 23)

27 18 1.52 ( 3.98)

Warm Upwithout calculators, please

1 10

4 4

(Add opposites)

15 ( 23) 8

27 18 45 1.52 ( 3.98) 2.46

Problems for class

3 8

11 11

1 11

5 5

1 25 ( 4 )3 3

Assignment: p. 65: 47 – 65 odds 71 – 88 odds