MATH SKIL
Contents include:
■
Practice worksheets for
35 Basic Math Skills C o u r s e 3
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Math Skills Maintenance, Course 3
ISBN: 0-07-860734-5
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CONTENTS Math Skill
Page
1 Using Order of Operations with Powers . . . . . . . . . . . . . . . . . . . . . . 1
2 Divisibility Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 Prime Factorization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Greatest Common Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5 Equivalent Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6 Simplifying Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7 Least Common Multiple. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8 Comparing and Ordering Decimals . . . . . . . . . . . . . . . . . . . . . . . . . 15
9 Adding and Subtracting Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . 17
10 Multiplying Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
11 Dividing Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
12 Multiplying and Dividing Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . 23
13 Operations with Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
14 Estimating with Decimals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
15 Mixed Numbers and Improper Fractions . . . . . . . . . . . . . . . . . . . . . 31
16 Adding and Subtracting Fractions with Like Denominators . . . . . . . 34
17 Adding and Subtracting Fractions with Unlike Denominators . . . . . 36
18 Adding and Subtracting Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . 38
19 Adding and Subtracting Mixed Numbers . . . . . . . . . . . . . . . . . . . . . 40
20 Multiplying Fractions and Mixed Numbers. . . . . . . . . . . . . . . . . . . . 42
21 Dividing Fractions and Mixed Numbers . . . . . . . . . . . . . . . . . . . . . . 44
22 Operations with Fractions and Mixed Numbers. . . . . . . . . . . . . . . . 46
23 Adding Integers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
24 Subtracting Integers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
25 Adding and Subtracting Integers . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
26 Multiplying Integers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
27 Dividing Integers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
28 Multiplying and Dividing Integers. . . . . . . . . . . . . . . . . . . . . . . . . . . 58
29 Identifying Properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
30 Using Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
31 Measurement: The Customary System . . . . . . . . . . . . . . . . . . . . . . 64
32 Measurement: The Metric System. . . . . . . . . . . . . . . . . . . . . . . . . . 67
33 Perimeter and Area of Rectangles . . . . . . . . . . . . . . . . . . . . . . . . . 70
34 Graphing Points on a Coordinate Plane . . . . . . . . . . . . . . . . . . . . . 73
35 Displaying Data on Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Math Skills Maintenance, Course 3 Find the value of each expression.
2
) ⴢ 25
2
⫼ 5
2
15. (10
⫹ 50
⫼ (7 ⫹ 2)
3
2
14. 9
⫹ 1
3
⫼ 4
2
16. (1 ⫹ 2)
⫹ (2 ⫹ 3)
ⴢ 3 ⫼ 2
4
21. 6Skill 1
Math Skills Maintenance Using Order of Operations with Powers NAME ________________________________________ DATE ______________ PERIOD _____
⫹ 1)
3
⫺ 3 ⴢ 4 ⫹ (2
2
⫺ 6 ⴢ 2 ⫼ 3 20. 47 ⫺ 7 ⫹ 5 ⴢ 2
2 17. (2 ⫹ 5
2
18. 33 ⫹ 1 ⴢ 15 ⫼ 5 19. 7
)
2
) ⫼ (3
2
13. 8
2
1. 5
ⴢ 2 ⫹ 64 ÷ 4
⫹ 8 ⴢ 7
3
⫹ 1) ⫼ 5 ⫹ 13 6. 100 ⫺ 2
2
2 5. (7
2 4. 9 ⫹ 7 ⫻ (7 ⫺ 8 ⫼ 2)
3
3
3. 3
÷ 6 ⫹ (3 ⴢ 5)
2
2. 12
⫹ 8 ⫻ 6
2
7. (100 ⫺ 2
⫹ 8) ⴢ 7
ⴢ 8 ⫼ 7 ⫹ 4 12. 99 ⫺ 4
10. (2
2
11. 7
⫹ 2)
2
⫹ 3) ⫹ (3
2
⫹ 2)
8. 2[5
2
⫹ 3)(3
2
9. (2
⫺ (8 ⫹ 4) ⫼ 3]
2
1
Math Skills Maintenance, Course 3 Find the value of each expression.
16. (1 ⫹ 1)
2
⫼ 5
2
⫹ 60
14. 12
2
⫼ (4 ⫹ 2)
2
⫹ 100
15. (8
2
⫼ 4
2
) ⴢ 30
3
ⴢ 2 ⫼ 5
⫺ 8 ⴢ 3 ⫼ 4 20. 88 ⫺ 6 ⫹ 2 ⴢ 3
NAME ________________________________________ DATE ______________ PERIOD _____ Math Skills Maintenance Using Order of Operations with Powers
⫹ 2)
2
⫺ 2 ⴢ 3 ⫹ (4
2
2 21. 5
2
ⴢ (1 ⫹ 1)
19. 9
) ⫼ (17) 18. 45 ⫹ 2 ⴢ 14 ⫼ 7
2
⫹ 5
2
2 17. (3
13. 10
2
1. 2
ⴢ 3 ⫹ 63 ⫼ 3
⫹ 6 ⴢ 7
3
⫹ 1) ⫼ 2 ⫹ 26 6. 80 ⫺ 3
2
2 5. (5
2 4. 11 ⫹ 9 ⫻ (10 ⫺ 9 ⫼ 3)
2
3
3. 4
⫼ 4 ⫹ (4 ⴢ 6)
2
2. 10
⫹ 9 ⫻ 5
3
7. (80 ⫺ 3
⫹ 6) ⴢ 7
ⴢ 2 ⫼ 9 ⫹ 15 12. 75 ⫺ 5
10. (6
2
11. 9
⫹ 6)
2
⫹ 5) ⫹ (5
2
⫹ 4)
8. 5[8
2
⫹ 5)(5
2
9. (4
⫺ (10 ⫹ 5) ⫼ 3]
2
1
Math Skills Maintenance, Course 3 Determine whether each given number is divisible by 2, 3, 4, 5, 6, 9, or 10.
1. 12 2. 40 3. 94 4. 156 5. 275 6. 418 7. 690 8. 813 9. 997
10. 1,400 11. 1,358 12. 2,115 13. 4,990 14. 5,783 15. 10,556
Math Skills Maintenance Divisibility Patterns NAME ________________________________________ DATE ______________ PERIOD _____
Skill 2
2
Math Skills Maintenance, Course 3 Determine whether each given number is divisible by 2, 3, 4, 5, 6, 9, or 10.
1. 18 2. 60 3. 92 4. 168 5. 425 6. 499 7. 678 8. 825 9. 962
10. 1,600 11. 1,855 12. 2,337 13. 4,448 14. 6,950 15. 12,261
NAME ________________________________________ DATE ______________ PERIOD _____ Math Skills Maintenance Divisibility Patterns
2
Math Skills Maintenance, Course 3 Determine whether each number is prime, composite, or neither.
1. 31 2. 44 3. 66 4. 67 5. 73 6. 113 7. 158 8. 247 9. 416
10. 643 11. 885 12. 957 13. 1,424 14. 1,883 15. 2,223
Math Skills Maintenance Prime Factorization NAME ________________________________________ DATE ______________ PERIOD _____
Skill 3
3
Math Skills Maintenance, Course 3 Determine whether each number is prime, composite, or neither.
1. 41 2. 54 3. 63 4. 71 5. 79 6. 117 7. 159 8. 361 9. 424
10. 681 11. 895 12. 991 13. 1,532 14. 1,951 15. 2,667
NAME ________________________________________ DATE ______________ PERIOD _____ Math Skills Maintenance Prime Factorization
3
Math Skills Maintenance, Course 3 Find the greatest common factor (GCF) of each set of numbers.
1. 24; 42 2. 14; 32 3. 25; 85 4. 66; 44 5. 16; 76 6. 21; 56 7. 45; 105 8. 18; 54 9. 72; 120
10. 88; 132 11. 78; 130 12. 340; 408 13. 128; 512 14. 165; 345 15. 1,000; 1,280
Math Skills Maintenance Greatest Common Factor NAME ________________________________________ DATE ______________ PERIOD _____
Skill 4
4
NAME ________________________________________ DATE ______________ PERIOD _____
4 Math Skills Maintenance
Greatest Common Factor Find the greatest common factor (GCF) of each set of numbers.
1. 12; 16; 44 2. 14; 28; 56 3. 20; 62; 72 4. 35; 60; 95 5. 18; 36; 87 6. 48; 112; 136 7. 34; 51; 102 8. 108; 162; 189 9. 120; 160; 212 10. 125; 225; 325
Math Skills Maintenance, Course 3
18 Math Skills Maintenance
110
156
m
16 ⫽
27
48
3 4 ⫽ 135
w
5
k ⫽
25
60
9 10 ⫽
x
7
8 13 ⫽
t ⫽
21
75 8 9 ⫽
24
p b
7 ⫽
48
56
2 3 ⫽
a
Equivalent Fractions NAME ________________________________________ DATE ______________ PERIOD _____
Skill 5
5
f
Math Skills Maintenance, Course 3 Find the value that will make each set of fractions equivalent.
4.
b
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
4 9 ⫽
52
5
c ⫽
x ⫽
85 102
g
23 ⫽
80
92
y
4 ⫽
64 256
11 20 ⫽
h
100
4
28 175
Math Skills Maintenance, Course 3 Find any fraction equivalent to the given fraction.
14
23
44
45
90
50
72 102 105
1
5
5
8
16
33
63
9
9
14
12
17
4
7
72 100
5
32
8
15 NAME ________________________________________ DATE ______________ PERIOD _____
Math Skills Maintenance Equivalent Fractions
20
3
4.
17.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
18.
2
19.
20.
21.
11
24
5
17
12
13
16
44
17
30
5
21 Math Skills Maintenance
25
17
85
38
57
24
30
21
49
40
27
4
26
18
36
7
Simplifying Fractions NAME ________________________________________ DATE ______________ PERIOD _____
Skill 6
6
39 117
Math Skills Maintenance, Course 3 Write each fraction in simplest form.
4.
13.
5.
6.
7.
8.
9.
10.
11.
12.
14.
48
15.
65 100
45
81
49
98
15
60
36
12
Math Skills Maintenance, Course 3 Write each fraction in simplest form.
75
8
21
70
33
36
28
84
42
81
55
9
7
16
24
60
15
18 NAME ________________________________________ DATE ______________ PERIOD _____
Math Skills Maintenance Simplifying Fractions
40
22
4.
13.
5.
6.
7.
8.
9.
10.
11.
12.
14.
95
15.
60 135
24 120
18
27
12
16
76
6
Math Skills Maintenance, Course 3 Find the least common multiple (LCM) of each set of numbers.
1. 8, 12 2. 10, 25 3. 4, 6 4. 15, 20 5. 10, 13 6. 30, 50 7. 4, 14 8. 9, 36 9. 12, 15
10. 16, 40 11. 17, 18 12. 35, 49 13. 24, 42 14. 6, 16 15. 48, 120
Math Skills Maintenance Least Common Multiple NAME ________________________________________ DATE ______________ PERIOD _____
Skill 7
7
NAME ________________________________________ DATE ______________ PERIOD _____
7 Math Skills Maintenance
Least Common Multiple Find the least common multiple (LCM) of each set of numbers.
1. 4, 5, 6 2. 10, 12, 15 3. 5, 9, 15 4. 7, 14, 42 5. 25, 28, 30 6. 21, 48, 49 7. 10, 16, 40 8. 14, 42, 98 9. 32, 40, 96 10. 13, 26, 65
Math Skills Maintenance, Course 3
Math Skills Maintenance, Course 3 Replace each
13. 11.01 ●
10. 6.51 ●
6.5 11. 0.315
●
0.351 12. 216.6
●
216.48
11.0100 14. 0.204
●
●
0.24 15. 0.75
●
0.80 Math Skills Maintenance
Comparing and Ordering Decimals NAME ________________________________________ DATE ______________ PERIOD _____
Skill 8
12.353
0.1001 9. 123.53
● with ⬍, ⬎, or ⫽ to make a true sentence.
4. 6.20 ●
1. 0.103 ●
0.094 2. 0.805
●
0.81 3. 4.23
●
42.3
6.2 5. 3.275
●
●
3.199 6. 8.0353
●
8.035
7. 12 ●
12.00 8. 0.0093
8
NAME ________________________________________ DATE ______________ PERIOD _____
8 Math Skills Maintenance
Comparing and Ordering Decimals Order the given numbers from least to greatest.
1. 0.03, 0.3, 0.003, 3.00 2. 1.198, 11.98, 0.1198, 0.1918 3. 2.3, 2.03, 2.13, 2.033 4. 8.422, 8.4, 8.224, 0.8994 5. 0.65, 0.605, 0.5, 0.61 6. 2.1, 2.11, 2.02, 2 Order the given numbers from greatest to least.
7. 6.312, 6.123, 6.331, 6.321 8. 0.543, 0.544, 5.430, 4.350 9. 12.212, 12.122, 12.221, 12.3 10. 8.88, 8.888, 8.088, 8.188
11. 0.009, 0.091, 0.09, 0.1 12. 4.62, 4.06, 4.61, 6.41 Math Skills Maintenance, Course 3
Math Skills Maintenance, Course 3 Find each sum or difference.
⫹ 3.32
9
Skill 9
Math Skills Maintenance Adding and Subtracting Decimals NAME ________________________________________ DATE ______________ PERIOD _____
with $20. She bought cardboard are 1.18 46.8 kilograms on his lunch for $4.49 and a inches, 0.38 inch, and first attempt. His next CD for $13.91. How 6.34 inches thick. lift was 50 kilograms. much money does she If the pieces are How much more weight have left? stacked, what is the did he lift on his second thickness of the attempt? three pieces?
15. A weightlifter lifted
7. 36 ⫹ 215.5 ⫹ 4.63 ⫽ 8. $14.75 ⫺ $6.98 ⫽ 9. 7.02 ⫺ 4.88 ⫽ 10. 68.7 ⫹ 1.47 ⫽ 11. 15 ⫺ 12.66 ⫽ 12. 54.54 ⫹ 7.07 ⫹ 9.2 ⫽ Solve.
12.21 ⫺ 7.92 ⫺ $0.49
1.
6. $3.56
16.52
2.09 5.
23 ⫹ 0.68 ⫺ 0.67 ⫺ 4.93 4.
2.8 3.
1.39 2.
13. Latisha began shopping 14. Three pieces of
Math Skills Maintenance, Course 3 Find each sum or difference.
1.
43.86 2. 7.34 3. 523.87 ⫺ 22.92 ⫹ 9.59 ⫺ 14.86
4. 108.82 5.
62.1
6. $42.13
⫹ 77.4 ⫹ 15.58 ⫺ $18.94
7. 71.75 ⫹ 8.9 ⫹ 223.50 ⫽ 8. 53.27 ⫹ 88 ⫹ 19.99 ⫽ 9. $545.19 ⫺ $112.28 ⫽ 10. 38.02 ⫺ 3.65 ⫽ 11. 78.09 ⫺ 14.92 ⫽ 12. 312.07 ⫹ 29.86 ⫽ Solve.
13. On a business trip,
14. Marcy went to the
15. Omar ran the 100-meter Mr. Perez put 12.38 grocery store with sprint in 10.82 seconds.
gallons, 13.09 gallons, $15.00. She bought two Jamal ran the same sprint and 11.45 gallons of 12-packs of soda that in 10.39 seconds. How gasoline in his car. cost $2.99 each and a much more time did it How many gallons of bag of potato chips for take Omar than Jamal to gasoline did he use all $1.99. How much finish the sprint? together? money does she have left?
NAME ________________________________________ DATE ______________ PERIOD _____ Math Skills Maintenance Adding and Subtracting Decimals
9
NAME ________________________________________ DATE ______________ PERIOD _____
10 Math Skills Maintenance
Multiplying Decimals Find each product.
1.
2.5 2.
6.9 3.
46.8 ⫻ 13 ⫻ 53 ⫻ 5.2
4. 164 5.
9.1
6. 922.2
0.4 ⫻ 8.8 ⫻ 5.3 ⫻
7. 8.2 ⫻ 5.9 ⫽ 8. 20.7 ⫻ 11.4 ⫽ 9. 33.2 ⫻ 9.2 ⫽ 10. 15.1 ⫻ 12 ⫽ 11. 4.8 ⫻ 6.5 ⫽ 12. 16.6 ⫻ 0.6 ⫽ Solve.
13. Katie worked 40.5
14. To build an addition for
15. Over the course of five
hours this week. She his house, Mr. Toshio months, Olivia noticed an makes $8 per hour. needs 18 sections of average of 2.5 inches of
Skill 10
How much money did paneling that are each rainfall per month. How she earn this week? 7.5 feet long. How much total rainfall did she many total feet of observe over the five- paneling does month period? Mr. Toshio need?
Math Skills Maintenance, Course 3 NAME ________________________________________ DATE ______________ PERIOD _____
10 Math Skills Maintenance
Multiplying Decimals Find each product.
1.
7.19 2. $56.24 3.
80.4
12 ⫻ 3.09 ⫻ ⫻ 2.34
4. $10.16 5.
4.81 6.
9.03 ⫻ 1.25 ⫻ 7.85 ⫻ 3.2
7. $11.75 ⫻ 16 ⫽ 8. 49.76 ⫻ 5.11 ⫽ 9. 237.02 ⫻ 8.3 ⫽ 10. 3.15 ⫻ 2.7 ⫽ 11. 1.76 ⫻ 5.13 ⫽ 12. 12.25 ⫻ 1.28 ⫽ Solve.
13. The costume designer
14. Khalid purchased five
15. At her job, Annie earns
for a drill team needs 12-packs of soda that $9.50 per hour. If Annie 3.25 yards of fabric to cost $3.59 each. How worked 32.5 hours last make one uniform. How much did Khalid spend week, how much money much fabric is necessary on soda? did she earn? if 44 uniforms are needed for the team?
Math Skills Maintenance, Course 3
Math Skills Maintenance, Course 3 Find each quotient.
4.
5.
6.
7.
8.
9.
10. $25.62 ⫼ 0.84 ⫽ 11. 40.05 ⫼ 4.5 ⫽ 12. 100.8 ⫼ 3.6 ⫽ Solve.
13. Marta ran a total of
14. Before taxes, Drew’s
15. A 20.5-ounce bottle of 6.25 miles on a pay was $173.25. If shampoo costs $4.51.
0.25-mile track. How he earns $8.25 per What is the price per many laps did Marta hour, how many ounce? run? hours did Drew work?
0.68冄44.2 4.7冄433.81 0.26冄111.02 8.1冄132.03 4.6冄$115 0.63冄756
Math Skills Maintenance Dividing Decimals NAME ________________________________________ DATE ______________ PERIOD _____
Skill 11
11
NAME ________________________________________ DATE ______________ PERIOD _____
11 Math Skills Maintenance
Dividing Decimals Find each quotient.
4. 1.25冄32.5 5. 13.1冄1,126.6 6. 5.1冄113.73 7. 2.04冄153 8. 3.2冄28.16 9. 6.7冄69.01 10. 34.32 ⫼ 0.12 ⫽ 11. 84.64 ⫼ 0.92 ⫽ 12. 209.33 ⫼ 17.3 ⫽
Solve.
13. Mrs. Rollins paid a
14. Sofia earned $255.75
15. Which is a better bargain,
total of $11.25 for on her last paycheck. a 22.5 ounce box of cereal lunchmeat that was If she worked 15.5 that costs $3.60, or a 14.5 priced at $4.50 per hours, what is Sofia’s ounce box of the same pound. How many hourly wage? cereal that costs $2.90? pounds of lunchmeat did she buy?
Math Skills Maintenance, Course 3 NAME ________________________________________ DATE ______________ PERIOD _____
12 Math Skills Maintenance
Multiplying and Dividing Decimals Find each product or quotient.
1.
6.72
2. 1.85冄46.25 3. 100.22
⫻ 4.3 ⫻ 0.34
Skill 12 4. 2.65冄3.71 5.
51.07
6. 0.24冄11.28
⫻ 12.8 7.
8.08
8. 1.5冄54.75 9. $11.34
6.3 ⫻
⫻ 10.5
10. 2.2冄35.42 11. 112.6 12. 9.5冄24.13
⫻ 7.07 Solve.
13. Ramon drove at 37.5
14. For a school fund-raiser,
15. Candy bought from the
per hour for 1.5 hours. each person in Mr. bulk food section costs How far did he drive? Singh’s class walked $3.30 per pound. Sarah 5.25 miles. The whole wants 2.5 pounds of candy. class walked a total of How much will she have 126 miles. How many to pay? people are in Mr. Singh’s class?
Math Skills Maintenance, Course 3
Math Skills Maintenance, Course 3 Find each product or quotient.
13. A carwash charges
NAME ________________________________________ DATE ______________ PERIOD _____ Math Skills Maintenance Multiplying and Dividing Decimals
4.2冄375.06
0.16冄6.64 0.09冄10.89
$3.75 per wash. If the as many students as many counties as carwash made $315 in preferred pizza to hot Connecticut. If California one day, how many cars dogs. If 44 students has 58 counties, how many were washed? preferred hot dogs, how counties are in many preferred pizza? Connecticut?
15. California has 7.25 times
14. In a survey, 2.25 times
11. 17.7 ⫻ 6.48 ⫽ 12. 81.84 ⫼ 0.22 ⫽ Solve.
1.
0.7 10.
⫻
5. 89.6 ⫻ 8.37 ⫽ 6. 18.75 ⫼ 0.75 ⫽ 7. 219.22 8. 74.62 ⫼ 1.4 ⫽ 9. 40.25 ⫻ 12.8 ⫽
⫻ 3.49 4.
7.43 ⫻ 1.04
3.
2.02 2.
12
Math Skills Maintenance, Course 3 Find each sum, difference, product, or quotient.
94.45
Skill 13
Math Skills Maintenance Operations with Decimals NAME ________________________________________ DATE ______________ PERIOD _____
0.84冄27.3
2.56冄3.2 3.5冄78.4
15. 46.8 ⫹ 7.91 ⫽
13. 64.71 ⫺ 25.82 ⫽ 14.
⫹ 7.75
11. 126.18 ⫼ 3.6 12. 62.93 ⫻ 8.6 ⫽
4.8 10.
1. 514.67 2.
⫻
8. 56.03 ⫺ 22.75 ⫽ 9.
98.09
⫺ 22.96 ⫹ 16.6 7.
5. 375.8 6. 108.47
52 ⫺12.68 4.
74.07 ⫹ 122.8 ⫻
13.92 3.
13
NAME ________________________________________ DATE ______________ PERIOD _____
13 Math Skills Maintenance
Operations with Decimals Find each sum, difference, product, or quotient.
1.
17.08
2. 346.72 3. 7.5冄8.46
5.4 ⫻ ⫺ 106.8 4.
82.65
6. 1,903.05 5. 608.2 ⫺ 59.34 ⫽
⫹ 47.83 ⫹ 432.98 8.
16.62
7. 44.1 ⫼ 9.8 ⫽ 9. 307.09 ⫹ 45.6 ⫽
0.8 ⫻
10. 845.2 11. 5.12冄16.64 12. 61.6 ⫻ 22.01 ⫽
6.78 ⫺
13. 407.3 14.
31.25
15. 743.59 ⫹ 88.8 ⫽
⫺ 186.94 ⫻ 0.44
Math Skills Maintenance, Course 3
Math Skills Maintenance, Course 3 Find each sum, difference, product, or quotient.
⫹1,275.7 13.
Skill 13
Math Skills Maintenance Operations with Decimals NAME ________________________________________ DATE ______________ PERIOD _____
5.5冄105.6 9.5冄425.6 0.85冄5.61
2.6 ⫺ 72.43
⫻
15. 319.1
99.42 14.
10. 7,500.64 11. 803.8 ⫺ 45.77 ⫽ 12. 87.86 ⫻ 0.4 ⫽
1.
52.2 9. ⫺ 8.44
7. 249.6 ⫼ 3.25 ⫽ 8.
⫺ 202.8 ⫻ 6.4
4. 2,045.56 5. 908.33 ⫹ 606.17 ⫽ 6. 122.5
0.6 ⫹ 6.7
18.81 3. ⫻
98.93 2.
13
NAME ________________________________________ DATE ______________ PERIOD _____
13 Math Skills Maintenance
Operations with Decimals Find each sum, difference, product, or quotient.
1. 6.2冄151.28 2.
27.24
3. 707.3 ⫹ 336.96 ⫽
⫺ 18.99
4. 224.4 5.
50.5
6. 0.32冄52.24
⫺ 81.75 ⫻ 8.6
7. 5,044.5 8. 904 ⫻ 6.25 ⫽ 9. 61.1 ⫺ 53.62 ⫽
⫹ 378.89
11. 328.46 12. 217.17 10. 112.7 ⫼ 4.9 ⫽
⫹ 12.77 ⫺ 86.5
14. 812.6 15. 15.2冄258.4 13. 46.65 ⫻ 0.8 ⫽
⫻ 1.45
Math Skills Maintenance, Course 3 NAME ________________________________________ DATE ______________ PERIOD _____
14 Math Skills Maintenance
Estimating with Decimals Estimate each sum, difference, product, or quotient.
1. 5,402.08 2.
67.55
3. 11.25冄127.14
4.3 ⫹ 782.91 ⫻
4. 6,992.46 5. 476.37 6.
27.06
19.1 ⫺1,433.64 ⫻ ⫹ 8.01
7. 834.34 ⫼ 38.1 ⫽ 8. 774.28 ⫺ 685.1 ⫽ 9. 1,002.33 ⫺ 566.89 ⫽ Skill 14
10. 282.05 11.
46.6
12. 8.6冄176.04
⫹ 98.36 ⫻ 5.1
13. 940.94 14. 4,809.23 15. 6.72冄213.46
371.8 ⫻ 25.20 ⫺
Math Skills Maintenance, Course 3
Math Skills Maintenance, Course 3 Estimate each sum, difference, product, or quotient.
1. 306.6 2. 8,623.09 3. 73.33 ⫻ 18.4 ⫽
⫹ 72.7 ⫺ 2,356.81 4.
5. 506.22 6.
⫻
4.03
7. 3,540.8 8. 908.63 ⫺ 443.24 ⫽ 9. 5,636.67 ⫼ 38.3 ⫽
⫹ 871.99
10. 86.74 ⫺ 32.59 ⫽ 11. 1,684.08 12. 546.35
⫻
2.64 ⫹ 267.25
13. 3,979.76 ⫹ 3,023.43 ⫽ 14. 15. 214.36
⫻ 329.81 38.05冄1,196.64
8.41冄482.26 56.3冄718.67
NAME ________________________________________ DATE ______________ PERIOD _____ Math Skills Maintenance Estimating with Decimals
14
4 Math Skills Maintenance
49
16
3
43
10
38
7
11
2
9
29
8
3
26
5
13
Mixed Numbers and Improper Fractions NAME ________________________________________ DATE ______________ PERIOD _____
Skill 15
15
4
Math Skills Maintenance, Course 3 Write each improper fraction as a mixed number.
4.
13.
5.
6.
7.
8.
9.
10.
11.
12.
14.
11 109
15.
212
9 199
6 237
7
84
5
73
8
Math Skills Maintenance, Course 3 Write each mixed number as an improper fraction.
9
5
7
4
2
11
6
7
10
2
9
16
4
3
9
7
1
6
3
4
7
8
1
4 NAME ________________________________________ DATE ______________ PERIOD _____
Math Skills Maintenance Mixed Numbers and Improper Fractions
8
2
4.
13
5.
6.
7.
8.
9.
10.
11.
12.
13.
14. 15. 14
8
32
14
17
25
6
19
20
11
1
2
9
9
13
15
NAME ________________________________________ DATE ______________ PERIOD _____
15 Math Skills Maintenance
Mixed Numbers and Improper Fractions Write each mixed number as an improper fraction, and each improper fraction as a mixed number.
41
13
23 1.
2.
3.
4
2
5
7
3
2 4.
2 5.
8 6.
11
12
4
3
29
43
57 7.
8.
9.
6
9
7 Skill 15
7
6
3 10.
3 11.
5 12.
10
9
11
10 103
12
82 13.
14.
22 15.
8
25
3 Math Skills Maintenance, Course 3
Math Skills Maintenance, Course 3 Add or subtract. Write each sum or difference in simplest form.
23 36 ⫺ 5 36 ⫽
NAME ________________________________________ DATE ______________ PERIOD _____ Math Skills Maintenance
Adding and Subtracting Fractions with Like
Denominators2 9 ⫹ 5 9 ⫽
1 10 ⫹ 7 10 ⫽
7 20 ⫹ 9 20 ⫽
7 9 ⫺ 4 9 ⫽
11 12 ⫺ 7 12 ⫽
4 15 ⫺ 1 15 ⫽
5 16 ⫹ 3 16 ⫽
9 11 ⫺ 4 11 ⫽
7 8 ⫺ 5 8 ⫽
11 16 ⫹ 1 16 ⫽
7 20 ⫺ 3 20 ⫽
13 25 ⫹ 7 25 ⫽
33 50 ⫹ 17 50 ⫽
25 39 ⫺ 22 39 ⫽
1.
15.
14.
13.
12.
11.
10.
9.
8.
7.
6.
5.
4.
3.
2.
16
Math Skills Maintenance, Course 3 Add or subtract. Write each sum or difference in simplest form.
13 42 ⫹ 17 42 ⫽
Skill 16
Math Skills Maintenance Adding and Subtracting Fractions with Like Denominators NAME ________________________________________ DATE ______________ PERIOD _____
8 11 ⫺ 5 11 ⫽
14 15 ⫺ 11 15 ⫽
13 20 ⫹ 3 20 ⫽
23 30 ⫺ 17 30 ⫽
5 24 ⫹ 13 24 ⫽
9 16 ⫺ 7 16 ⫽
17 18 ⫺ 5 18 ⫽
4 11 ⫹ 6 11 ⫽
25 36 ⫹ 11 36 ⫽
33 35 ⫺ 19 35 ⫽
31 49 ⫹ 4 49 ⫽
15 32 ⫺ 7 32 ⫽
28 45 ⫺ 8 45 ⫽
1.
8.
2.
3.
4.
5.
6.
7.
9.
23 75 ⫹ 22 75 ⫽
10.
11.
12.
13.
14.
15.
16
NAME ________________________________________ DATE ______________ PERIOD _____
17 Math Skills Maintenance
Adding and Subtracting Fractions with Unlike Denominators Add or subtract. Write the sum or difference in simplest form.
1
11
5 1.
2.
3.
5
12
8
1
1
7 ⫹ ⫺ ⫹
4
6
24
8
5
7 4.
5.
6.
9
12
16
5
1
1 ⫺ ⫹ ⫹
36
3
2
4
7
1 7.
8.
9.
5
30
12
1
1
3 ⫺ ⫺ ⫹
2
15
4
13
13
8 10.
11.
12.
20
21
9
1
3
5 ⫹ ⫺ ⫺
4
7
6
14
8
12 13.
14.
15.
15
17
25
7
15
27 ⫺ ⫺ ⫹
12 68 100
Math Skills Maintenance, Course 3 NAME ________________________________________ DATE ______________ PERIOD _____
17 Math Skills Maintenance
Adding and Subtracting Fractions with Unlike Denominators Add or subtract. Write the sum or difference in simplest form.
1
4
25 1.
2.
3.
9
5
36
2
13
2 ⫹ ⫺ ⫹
3
30
9
14
8
16 4.
5.
6.
25
15
35
3
4
3 ⫺ ⫹ ⫺
50
9
10
7
3
19 7.
8.
9.
8
5
20
1
3
31 ⫹ ⫺ ⫺
40 8 100
3
13
7 10.
11.
12.
5