The student will:a) identify and describe absolute value of integers.

Number line

• How far is 3 from zero?• 3 units

• How far is -3 from zero?• 3 units

• Why do the answers have the same value?• Because…

Distance

• A distance is never zero

Absolute Value is…

the distance of a number from zero on the number line regardless of

direction.

Absolute value is represent by the absolute value bars

6 6 6 6EX:

|x| the absolute value of x

• |3| asks how far from zero is 3?

• |-5| asks how far from zero is -5?

Show Me the Math

Absolute Value

Activity

Absolute Value 2-3

1. Place the following points on a number line: Z: 4 M: -7 W: -10 T: 0

2. Write >, =, or < to compare the integers: 1 -13. Write >, =, or < to compare the integers: 3 -54. What is the opposite of 7?

5. Which of these are integers?½ 0 -300 4.75 27

6. What is the absolute value of -25 ?

7.

8.

Rational Numbers

The set of numbers that includes Natural numbers, Whole numbers, Integers and the values in between.

Positive numbersNegative numbers

Origin

Putting it all Together

Rational Number Song

2/3