This document contains 78 math problems involving operations with integers, fractions, decimals, square roots, and percentages. The problems cover comparing and ordering numbers, estimating sums and differences, multiplying and dividing with attention to signs, evaluating expressions, finding lengths or areas from given information, and calculating averages.

1. Name
For each number, list all the terms that apply: fraction, mixed number, integer,
repeating decimal, terminating decimal, rational number, and irrational number.
1. 0.95611783 2. 144 3. 3 15.
4.
4
7 5. 6.030030003 6.  17
7. π 8. 5.0001 9. 7 3
10
Find each square root. If the radicand is a nonperfect square, between which two
consecutive integers would the square root fall? Which is the closer integer?
10. 66 11. 91 12. 36
13. 129 14. 256 15. 400
16. 48 17.  361 18.  189
Find the value of each expression.
19. 5 18 5 18. .  20. (0.3491) 21. 1 3 0 84. . 22.  16 16 ( )
23. 121 ( 144) 24. 0 7 0 7. . 25. (–5.09)  25 26. 0 32 0 6. • .
Practice Activities
Chapter 1, Lessons 1 – 4
Algebra 1, Chapter 1 1
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2. Name
Use the number line to compare and order each set of numbers from greatest to least.
8207-W_G9_C01_L01-04_PA01
27. 8
5
, 49 , 0.235,  64 , |8|, 0.325 28. |3 3.5|, 0.65, 65 , 5
6 ,  56
29. 0 734. , 7
3
, 0.743, 74 , 0 73. , | 3
7
| 30. |6  8.1|, 13
2
, 25 , 35 , 6 1. , |6.8|
31. 0.45  2.8 32. 6.5  5.92 33. 1.4  (–8.7) 34. 5.1  (–9.03)
35. 47
8  15
6
36. 1
3  53
4
37. 8 1
10  (91
6 ) 38. 26
7
 (44
5 )
Estimate by rounding. Then add or subtract using the rules for signed numbers.
39. 1.25  2.8 40. 6.5  (–5.92) 41. –1.1 – (–8.9) 42. 5  9.03
43. 47
8  15
6
44. 11
3  (–53
4
) 45. 8 1
10 – (–91
6 ) 46. 26
7
 44
5
(continued)
Practice Activities
Chapter 1, Lessons 1 – 4
Algebra 1, Chapter 1 2
Copyright©byWilliamH.Sadlier,Inc.PermissiontoduplicateclassroomquantitiesgrantedtousersofAlgebra1.
9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9

3. Name
Multiply or divide. Watch the signs.
47. 
 

 
5(–4.8) 48. 6(21
4 ) 49. –8 (– 7
10
) 50. 7  (– 0.5)
51. 2.13  (0.2) 52. 1.8  (1.2) 53. 3.24 

 

 
(0.8) 54. 



2.9(4.5)
55. 3
5 (1
2) 56. 2
7 (



 
2
3) 57. � 2
3
3
4
� 58. 7
8  (–4
5)
59. 2
5
3
4
1�( ) 60.� �1
10
1
8
2( ) 61. � 4 1
8
3
5
� 62. � 1
2
1
3
2�
63. � 2 11
2
1
3( ) 64. � 3 21
2
1
4) 65. � �2 15
6
1
3
� ( ) 66. � 1 31
8
1
10
�
67. 1
4
0 5�� .( ) 68. � 3
8
1 8� . 69.� 3
4
0 9.( ) 70. 2
3
3 6.( )
71.  73. 3.5 
 
72. � 4 2 21
3
. ( )( 21
3) � 2 8 11
2
. � 74. 3 1 74
5
� � .( )
Solve. Show your work.
75. A square has an area of 145.7 square feet.
To the nearest integer, what is the length of
one side?
77. At its lowest point, the temperature on
Tuesday night had dropped 15.6°C from
Tuesday’s high temperature of 8°C.What
was the low temperature on Tuesday night?
76. A scarf that has the shape of a square and an
area of 7600 cm2. Find the length of a side of
the scarf to the nearest integer.
78. During a trading day, the total loss recorded
208.32.To the
nearest hundredth, what was the average loss
(continued)
Practice Activities
Chapter 1, Lessons 1 – 4
Algebra 1, Chapter 1 3
Copyright©byWilliamH.Sadlier,Inc.PermissiontoduplicateclassroomquantitiesgrantedtousersofAlgebra1.