Copyright © by Holt, Rinehart and Winston.
94 Holt Middle School Math Course 1
All rights reserved.
Copyright © by Holt, Rinehart and Winston.
19 Holt Middle School Math Course 1
All rights reserved.
LESSON
Use the number line to compare each pair of integers.
Write ! or ".
1. 10 !2 2. 0 3 3. !5 0
4. !7 6 5. !6 !9 6. !8 !10
Order the integers in each set from least to greatest.
7. 5, !2, 6 8. 0, 9, !3 9. !1, 6, 1
10. !8, !9, 9 11. 15, 1, !5 12. !4, !7, !2
Order the integers in each set from greatest to least.
13. 8, !6, 4 14. !2, 1, 2 15. 0, 7, !8
16. !1, 1, 0 17. !12, 2, 1 18. !10, !12, !11
19. The lowest point in the Potomac River is 1 foot above sea level.
The lowest point in the Colorado River is 70 feet above sea
level. The lowest point in the Delaware River is sea level. Write
the names of these three rivers in order from the lowest to the
highest elevation.
Delaware River, Potomac River, Colorado River
20. The lowest recorded temperature in Alabama was 27"F below
zero. In Florida, the lowest recorded temperature was 2"F below
zero. The lowest temperature ever recorded in Hawaii was 12"F
above zero. Write the names of these three states in order from
the highest to the lowest recorded temperatures.
Hawaii, Florida, Alabama
!10, !11, !122, 1, !121, 0, !1
7, 0, !82, 1, !28, 4, !6
!7, !4, !2!5, 1, 15!9, !8, 9
!1, 1, 6!3, 0, 9!2, 5, 6
"
"!
!!"
01234 5 6 7 8 9
10!1!2!3!10!9 !8 !7 !5 !4!6
Practice B
Comparing and Ordering Integers
9-2
Copyright © by Holt, Rinehart and Winston.
20 Holt Middle School Math Course 1
All rights reserved.
LESSON
Compare. Write ! or ".
1. !99 97 2. !1,876 !1,877 3. !1 ! !2 !
4. !75 !7 5. ! #19 ! 9 6. 205 !204
Order the integers in each set from least to greatest.
7. !15, !14, 20, !25 8. 16, !30, 0, !9 9. 78, !7, !8, 8
10. 205, !20, !5, ! #50 ! 11. !78, !89, 78, 9 12. !55, ! !2 !, !60, 0
Order the integers in each set from greatest to least.
13. 12, !2, 10, !12 14. !13, !16, 6, !3 15. 99, !9, !99, 9
16. 28, ! !8 !, !8, 0 17. 37, !37, !38, 38 18. !111, !1, 1, 11
19. Four friends went scuba diving today. Ali dove 70 feet, Tim went
down 50 feet, Carl dove 65 feet, and Brenda reached 48 feet
below sea level. Write the four friends’ names in order from the
person whose depth was closest to the surface to the person
whose depth was the farthest from the surface.
Brenda, Tim, Carl, Ali
20. Te d i s c om pa r in g t he t em pe ra tu re s o f th re e d ay s i n Ja nu ar y. Th e
temperatures on Monday and Tuesday had the same absolute
value. The temperature on Wednesday was neither positive nor
negative. The temperature dropped below zero on Monday. Write
the three days in order from the highest to the lowest
temperatures.
Tuesday, Wednesday, Monday
11, 1, !1, !11138, 37, !37, !38
28,
!
!
8
!
, 0, !8
99, 9, !9, !996, !3, !13, !1612, 10, !2, !12
!60, !55, 0,
!
!
2
!
!89, !78, 9, 78
!20, !5,
!
#50
!
, 205
!8, !7, 8, 78!30, !9, 0, 16!25, !15, !14, 20
"
"!
!"!
Practice C
Comparing and Ordering Integers
9-2
Copyright © by Holt, Rinehart and Winston.
21 Holt Middle School Math Course 1
All rights reserved.
Yo u c a n u s e a n u m b e r l i n e t o c o m p a r e a n d o r d e r i n t e g e r s .
As you move right on a number line, the values of the integers
increase. As you move left on a number line, the values of the
integers decrease.
Compare !4 and 2.
!4 is to the left of 2, so !4 ! 2.
Compare the integers. Write ! or ".
1.
1 !4
2.
!5 !2
3. !3 2 4. !1 !4 5. 5 0 6. !2 3
Order !3, 4 and !1 from least to greatest.
List the numbers as they appear from left to right.
The integers in order from least to greatest are !3, !1, 4.
Order the integers from least to greatest.
7. !2, !5, !1 8. 0, !5, 5 9. !4, 2, !3 10. 3, !1, !4
!4, !1, 3!4, !3, 2!5, 0, 5!5, !2, !1
01234
5!1!2!3!4!5
!""!
!
01234
5!1!2!3!4!5
"
01234
5!1!2!3!4!5
01234
5!1!2!3!4!5
Reteach
Comparing and Ordering Integers
9-2
LESSON
Copyright © by Holt, Rinehart and Winston.
22 Holt Middle School Math Course 1
All rights reserved.
LESSON
During winter, bears and many other animals hibernate, or go into a
sleeplike state. When they do so, their body temperatures greatly
decrease. How much can their temperatures change during hibernation?
Write the following integers along the maze so they are
increasing from start to finish. The shaded box in the maze will
have the answer to the question.
5, !14, !39, !3, 61, !60, !23, !72, !48, !11, 100, !45, 10,
!57, !1, !29, !64, !37, 0, !65, 74, 98, !28, !7, !63, !49,
!21, !54, 27, 53, !9, !32, !16, 35, !30, !18, !52, 86, !46, 42,
!56, !41, !22, !43, 19
!52
!49 !48 !46
!45
!43
!41
!39 !37 !32
!30
!29
!28
!23
!22
!21!18!16!14
!11
!9 !7 !3 !10 5 1019
27
35
42
53
617486
98
100
FINISH
!54
!72
!65
!64
!63
!60 !57 !56
ST AR T
Challenge
Integer Maze
9-2
