Read and write integers and find the absolute

• Read and write integers, and find the absolute value of a number. • integer • negative integer • positive integer • graph • absolute value

Write Integers for Real-Life Situations Write an integer for the following situation. a total rainfall of 2 inches below normal Answer: Because it represents below normal, the integer is – 2.

Write an integer for the following situation. a total snowfall of 5 inches above normal A. – 5 B. 5 C. 27 D. none of the above 1. 2. 3. 4. A B C D

Write Integers for Real-Life Situations Write an integer for the following situation. a seasonal snowfall of 3 inches above normal Answer: Because it represents above normal, the integer is +3 or 3.

Write an integer for the following situation. an average monthly temperature of 4 degrees below normal A. – 4 B. 4 C. 36 D. none of the above 1. 2. 3. 4. A B C D

Graph Integers Graph the set of integers – 1, 3, – 2 on a number line. Draw a number line. Then draw a dot at the location of each integer.

Graph the set of integers – 2, 1, – 4 on a number line. A. B. C. D. 1. 2. 3. 4. A B C D

Evaluate Expressions Evaluate the expression |– 5|. On the number line, the graph of – 5 is 5 units from 0. Answer: So, |– 5| = 5.

Evaluate the expression |– 9|. A. – 9 B. 0 C. 9 D. 81 1. 2. 3. 4. A B C D

Evaluate Expressions Evaluate the expression |– 4| – |– 3| = 4 – 3 |– 4| = 4, |– 3| = 3 =1 Subtract. Answer: 1

Evaluate the expression |8| – |– 5|. A. – 3 B. 3 C. 13 D. 40 1. 2. 3. 4. A B C D

End of the Lesson