1-5 Adding and Subtracting Real Numbers

1
1-5 Adding and Subtracting Real Numbers

• Goals
• Find sums and differences of real numbers

2
Vocabulary

• Absolute Value
• Opposites
• Additive Inverses

3
Use a Number Line
4
Example from your homework

• Use a number line to find -9 -3
• Find 5.1 -0.7
• Find 2.9 - -7.5

5
Correct Yesterdays Homework
6
Watch a 3-Minute Video
7
Try Some More

• Evaluate the expression
• c b a
• if a -2, b -4.1, and c 5.

8
Play a Game
9
Good Luck

• P. 34 10-66 e.o.e
• Do Quiz 1A first!