Download Whole Numbers, Decimals, and Integers

Name ———————————————————————
SECTION
1
Date ————————————
1.1.WHOLE
WHOLENUMBERS
NUMBERS
11.
1. Place
Integers
Value
Whole Numbers, Decimals,
and Integers
Lesson 11: Integers
The set of numbers in the box are integers.
Negative integers are less than 0, and positive
integers are greater than 0. Zero is an integer
that is neither positive nor negative.
. . . , 24, 23, 22, 21, 0, 1, 2, 3, 4, .
You can graph integers on a number line.
EXAMPLE 1
!3
!2
!1
0
1
2
3
4
Graph –6 and –1 to compare them.
!7
!6
!5
!4
!3
!2
26 is less than –1.
!1
0
1
21 is greater than 26.
26 , 21
Copyright © by McDougal Littell, a division of Houghton Mifflin Company.
!4
HINT
The numbers increase as you
move from left to right on a
number line.
21 . 26
Two numbers are opposites if they are the same distance from
0 on a number line, but are on opposite sides of 0. The absolute
value of a number is the distance between the number and 0 on
a number line. The absolute value of a number n is written | n |.
EXAMPLE 2
The numbers 23 and 3 are opposites.
The absolute value of 23 is 3.
3 units
The absolute value of 3 is 3.
!4
!3
!2
!1
3 units
0
1
2
3
4
Write |23| 5 3 and |3| 5 3.
Practice: First Try
Complete with <, >, or 5.
1. 24 _____ 25
2. 22 _____ 2
3. 1 _____ 23
4. 27 _____ 24
5. 0 _____ 26
6. 28 _____ 0
Write the absolute value of each integer.
7. | 5 | 5 _____
8. | 22 | 5 _____
10. | 4 | 5 _____
11. | 21 | 5 _____
9. | 24 | 5 _____
12. | 0 | 5 _____
McDougal Littell Middle School Math
Remediation Book Lesson 1.11
21
Name ———————————————————————
Date ————————————
LESSON 00.00
1. WHOLE NUMBERS
More Copy if Needed
11. Integers
Practice : Second Try
Complete with <, >, or 5.
1. 21 _____ 23
2. 6 _____ 26
3. 9 _____ 9
4. 24 _____ 8
5. 3 _____ 21
6. 4 _____ 5
Write the opposite of each integer.
7. 28
10. 27
8. 5
11. 21
9. 6
12. 2
13. | 6 |
14. | 21 |
15. | 25 |
16. | 26 |
17. | 7 |
18. | 1 |
Extend Your Skills
19. Graph the integers on the number line in order from least to greatest:
6,24, 2, 0, 21, 27, 5, 22, 25, 3.
20. The absolute value of a number is never negative. Why?
21. Which two numbers have an absolute value of 10?
22. What is the opposite of the opposite of 7?
Puzzle
My absolute value is equal to my opposite. I am not zero. What must be true about me?
22
McDougal Littell Middle School Math
Remediation Book Lesson 1.11
Copyright © by McDougal Littell, a division of Houghton Mifflin Company.
Write the absolute value of each integer.
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