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Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number...

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Targets: Locate integers and their opposites on a number line. Find the absolute value of a number.

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Understanding Integers Lesson 8

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Page 1: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

Understanding Integers

Lesson 8

Page 2: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line.

2. Find the value of each expression.

a)

b)

2)15(4

21312

411

Page 3: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

Targets: Locate integers and their opposites on a number line.

Find the absolute value of a number.

Page 4: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

Negative Numbers: Numbers less than 0.

Positive Numbers: Numbers greater than 0.

Opposites: Two numbers that are the same distance from zero, but on opposite sides of 0.

Integers: The set of all positive whole numbers, their opposites and zero.

Absolute Value: The distance a number is from 0 on a number line.

Page 5: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

Find and graph the opposite of each integer.

2:

The opposite of 2 is – 2.

– 6:

The opposite of – 6 is 6.

Page 6: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

Find each absolute value.

| – 4|

| – 4| = 4

|3|

|3| = 3

Page 7: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

Write an integer to represent each situation.

Death Valley, California is 282 feet below sea level.

– 282

The stock market gained 5 points yesterday.

5

Patrice withdrew $15 from her savings account.

– 15

Page 8: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

1. Find the opposite of 5.

2. Graph the following numbers on a number line: 3, −6, 0 and −2

3. Find the value of |8|.

4. Write an integer to represent the following: The buried treasure was 7 feet below the ground.

Page 9: Understanding Integers Lesson 8. 1. Draw a number line from 0 to 10. Graph 4, 7.5 and on the number line. 2. Find the value of each expression. a) b)

Why is it important to have both positive and negative numbers to describe real-world situations?

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