美国英国国际学校小学数学练习册

Multiply.
1
72
5
x4
205
9
x 34
776 x 98
2
39
6
376
10
2309
x6
x 18
x 278
3
81
7
x 57
800
11
x 30
3650 x 400
4
46
8
x 72
493
12
x 67
79,248 x 589
Worksheet #4 Dividing Whole Numbers
Divide. Round your answer to the hundredths place.
5
66 99
11
36 12
6 35 42
12
4
29 29
Worksheet #10 Adding & Subtracting Fractions
Add or subtract as indicated. Reduce to lowest terms.
1
12 17
+
3 17
7
8 11
-
5 11
2
11 12
Worksheet #8 Least Common Multiple
Find the LCM.
1 2 and 5
7 2, 6, 8 and 12
2 2, 3 and 4
8 3, 4 and 5
3 8 and 10
9 5, 15 and 20
4 6 and 8
10 40 and 180
5 9 and 30
Find the unit rate.
9 1500 meters in 6 seconds
10 192 miles per 6 gallons.
11 5 cars for 20 people
12 $36 for 4 lbs of shrimp
Worksheet #19 Proportions Write each proportion.
Divide. Reduce to lowest terms.
1
1 2
4 5
61
1 8
2
4 5
1 2
75
2 3
3
3
9
10
10
8
6
2 5
20
4
3 5
6
9
2
3 4
22 25
57
1 7
10
3
4 5
1
2 15
Worksheet #14 Decimals to Fractions
Find the equivalent fraction. Reduce to lowest terms.
5 48 gallons in 14 mins
2 45 mph to 25 mph 3 6 minutes to 16 minutes 4 $300 to $450
6 21 females to 51 males
7 $4.20 for 36 potatoes
8 72 correct answers out of 96 questions
Identify which of the following numbers are prime: 5 a) 14 b) 4 c) 11 d) 9 e) 3 f) 17
Find the prime factorization. Use exponents when applicable. 6 12 7 60 8 18 9 33 10 105 11 125 12 42
47
5
+ 32
678
9
+ 426
4389 3377 + 1689
2
8
6
2846
10
24,592
5
+ 1635
+ 46,268
+1
3
72
7
2504
11
587,938
94
4241
+ 629,777
+3
+ 2173
4
25
8
96
12
99,763,500
+ 57
5748
+ 2,827,449
+ 482
Worksheet #2 Subtracting Whole Numbers
DECIMALS 14. Decimals to Fractions 15. Add & Subtract Decimals 16. Multiply Decimals 17. Divide Decimals
RATIOS & PERCENTS 18. Ratios & Rates 19. Proportions 20. Converting Percents 21. Percents Problems 22. Measurements - American 23. Measurements - Metric
1 8x8x8x8x8 2 267 x 267 3 1x1x1x1x1 4 85
Find the value.
5 25 6 103 7 161 8 370
Calculate.
9 32 + 6 - 2 x 7 10 7 x (43 - 6) 2
11 24 23 x 35
12 124 - 3 x (7 + 52)
1 0.3
6 18.25
2 0.8
7 0.108
3 0.5
8 1.001
4 3.2
9 4.0012
5 0.41
10 89.3205
Worksheet #15 Adding and Subtracting Decimals
Add or subtract as indicated.
1 1.1 + 2.8
13 20 5 x 2 - (6 + 2) x 7
Worksheet #6 Fractions: Mixed Numbers
Identify which of the following are improper fractions.
1 a) 21 2
b) 4 5
c) 83 126
d) 7 6
Change the mixed numbers to improper fractions.
Subtract. 1
47
5
-5
35
9
-8
776 - 498
2
95
6
- 31
652
10
- 251
1904 - 625
3
68
7
821
11
70,801
- 62
- 507
- 62,762
4
87
8
- 20
493
12
- 37
1,344,192 - 804,663
Worksheet #3 Multiplying Whole Numbers
GEOMETRY 37. Lines & Angles 38. Quadrilaterals 39. Triangles 40. Circles 41. Composite Figures 42. Volume
ANSWERS
Worksheet #1 Adding Whole Numbers
Add. 1
1
1
1 3
+
2
1 3
7
2
2 3
-
1 3
2
3
7 8
+
1
5 8
8
6
1 2
-3
3
22
16 17
+
4
9
10
-
3
2 3
4
16
3 10
+
5
9 100
10
9
3 8
-
5
5 6
5
2
3 5
+
9 10
11
1
1 2
-
7 10
6
5
1 4
+
3
5 8
+
2
1 2
12
2
1 2
-
1
3 4
Worksheet #12 Multiplying Fractions
Divide. Round your answer to the hundredths place.
1 9 211.5
Write as an equivalent decimal. Round to the thousandths place.
6
7 8
2 0.2 .31
7
5 21
3 4.6 58
8
9 10
STATISTICS 24. Graphs 25. Mean, Median & Mode
REAL NUMBERS 26. The Basics 27. Add & Subtract 28. Multiply & Divide
ALGEBRA 29. Evaluating Expressions 30. Properties 31. Simplifying Expressions 32. Equations: Addition Principle 33. Equations: Mult. Principle 34. Multistep Equations 35. Formulas 36. Word Problems
+
1 12
8
7 16
-
5 16
3
7 10
+
2 10
+
8 10
9
7 9
-
2 3
4
1 2
+
2 3
10
2 3
-
1 6
5
3 8
+
1 2
11
47 50
-
3 10
6
5 6
+
1 4
12
1 2
-
1 5
Worksheet #11 Adding & Subtracting Mixed Numbers
Add or subtract as indicated. Reduce to lowest terms.
Multiply.
1
0.7
x 0.4
6 702 3.19
2
0.12
x 0.6
3 31.002 x9
7 (1.504) (1000) 8 (0.5)2
4
0.63
x 100
9 3.4 x 10
5 0.0085 x 0.044
10 6.22701 0.018
Worksheet #17 Dividing Decimals
4
2 3
=
7 16
5
48 acres 144 bags seed
=
5 acres 15 bags seed
6
12 28
=
18 42
Solve each proportion to find the value of “x”.
WHOLE NUMBERS 1. Adding 2. Subtracting 3. Multiplying 4. Dividing 5. Order of Operations
Contents
FRACTIONS 6. Mixed Numbers 7. Prime Factorization 8. Least Common Multiple 9. Simplifying Fractions 10. Add & Subtract Fractions 11. Add & Subtract Mixed Numbers 12. Multiply Fractions 13. Divide Fractions
1
3 156
5
4 1289
9
28 770
2
7 588
6
9 2230
10
289 5801
3
6 39
7
36 1620
11
325 6344
4
5 128
8
61 427
12
76 30,027
Worksheet #5 Order of Operations & Exponents
Write in exponent form.
4
1.632
0.08
9
43 57
5
8.709
100
10
81 20
Worksheet #18 Ratios & Rates
Write each ratio as a fraction in lowest terms.
1 30 feet to 60 feet
Write each rate as a fraction in lowest terms.
6 0.9 - 0.2
2 3.5 + 6.14
7 12.66 - 3.41
3 9.242 + 0.87
8 35.87 - 10.2
4 1.306 + 5.5 + 46.77
9 40.4 - 6.37
5 2.01 + 8 + 0.593
10 28 - 15.59
Worksheet #16 Multiplying Decimals
Multiply. Reduce to lowest terms.
1
1 2
x
3 4
( ) 6
32 5
2
(
5 9
)
(
3 10
)
7
37 85 6源自315 124
5
4
6
x
2 3
8
(2
1 2
)
(
3
)1
5
( ) 9
1
1 2
3
5
(
3 16
)
(8)
10
5
5 9
x
2
16 25
Worksheet #13 Dividing Fractions
1 48 is to 32 as 3 is to 2.
2 6 adults is to 10 children as 18 adults is to 30 children.
3 If 12 pens cost $4, then 33 pens will cost $11.
Determine if each proportion is true or false:
11 108 and 72
6 3, 5, and 6
12 6, 8 and 36
Worksheet #9 Simplifying Fractions
Simplify to lowest terms.
1
3 18
7
100 1000
2
15 25
8