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

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Presentation transcript:

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 EX:

|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: 4M: -7W: -10T: 0 2. Write >, =, or < to compare the integers: Write >, =, or < to compare the integers: What is the opposite of 7? 5. Which of these are integers? ½ What is the absolute value of -25 ? 7. 8.

Rational Numbers 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 Putting it all Together Rational Number Song 2/3