Date:
P
H A TE
7
R
C
Name:
Decimals
Lesson 7.1
Understanding Tenths
Write the decimals that the shaded and unshaded parts represent.
2.
1.
shaded parts:
shaded parts:
unshaded parts:
unshaded parts:
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3.
4.
shaded parts:
shaded parts:
unshaded parts:
unshaded parts:
5.
6.
shaded parts:
shaded parts:
unshaded parts:
unshaded parts:
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 1
1
3/4/09 1:43:15 PM
Name:
Date:
7.
Ones
Tenths
8.
Ones
Tenths
Write the correct decimal in each box.
9.
0
1.0
2.0
3.0
4.0
10.
0
2
2.0
4.0
6.0
8.0
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Write a decimal for each place-value chart.
Chapter 7 Lesson 7.1
MS_Extra Practice_4B_Ch07_001-024.indd 2
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Name:
Date:
Write each of these as a decimal.
11.
4 tenths ⫽
12.
25 tenths ⫽
13.
68 tenths ⫽
14.
176 tenths ⫽
15.
3 ones and 9 tenths ⫽
16.
40 ones and 2 tenths ⫽
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Write each fraction or mixed number as a decimal.
17.
6
_
⫽
10
18.
9
_
10 ⫽
19.
8
4_
10 ⫽
20.
2
7_
10 ⫽
21.
1
16_
10 ⫽
22.
5
44_
10 ⫽
23.
63
_
⫽
10
24.
50
_
10 ⫽
25.
210
_
⫽
10
26.
201
_
10 ⫽
27.
300
_
⫽
10
28.
330
_
10 ⫽
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 3
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3/4/09 1:43:15 PM
Name:
Date:
Write each number as a fraction and as a decimal.
Complete the table.
29.
6 tenths
30.
19 tenths
31.
57 tenths
32.
124 tenths
33.
203 tenths
34.
455 tenths
Fraction
Write a fraction and a decimal for each measure.
35.
Length of paper clip cm
36.
Weight of pumpkin 4
cm
lb
lb
Decimal
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Number of Tenths
Chapter 7 Lesson 7.1
MS_Extra Practice_4B_Ch07_001-024.indd 4
3/4/09 1:43:16 PM
Name:
Date:
Write a fraction and a decimal for the measure.
37.
Volume of water L
L
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Fill in the blanks.
38.
8.9 8 ones and
39.
16.4 1 ten
40.
37.2 3 tens 7 ones and
41.
58.6 tens 8 ones and 6 tenths
42.
90.5 tens
tenths
ones and 4 tenths
tenths
ones and 5 tenths
2
15.2 can be written as 10 ⴙ 5 ⴙ _
. Complete in the same way.
10
43.
5.2 44.
16.3 14.3 can be written as 10 ⴙ 4 ⴙ 0.3. Complete in the same way.
45.
8.4 46.
70.9 Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 5
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3/4/09 1:43:16 PM
Name:
Date:
Fill in the blanks.
Tens
Ones
2
4
The digit 7 is in the
48.
Tens
Ones
3
8
50.
Ones
6
0
Tens
Ones
8
1
.
Tenths
•
5
.
Tenths
•
9
is in the tens place. Its value is
The digit
6
7
place. Its value is
Tens
The digit
•
place. Its value is
The digit 8 is in the
49.
Tenths
.
Tenths
•
4
is in the tenths place. Its value is
.
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47.
Chapter 7 Lesson 7.1
MS_Extra Practice_4B_Ch07_001-024.indd 6
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Name:
Date:
Lesson 7.2
Understanding Hundredths
Write the decimals that the shaded and unshaded parts represent.
2.
1.
shaded parts:
shaded parts:
unshaded parts:
unshaded parts:
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
3.
4.
shaded parts:
shaded parts:
unshaded parts:
unshaded parts:
5.
6.
shaded parts:
shaded parts:
unshaded parts:
unshaded parts:
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 7
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3/4/09 1:43:17 PM
Name:
Date:
7.
Ones
Tenths
Hundredths
8.
Ones
Tenths
Hundredths
Write the correct decimal in each box.
9.
0
0.1
0.2
0.3
0.4
10.
0
8
0.2
0.4
0.6
0.8
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Write a decimal for each place-value chart.
Chapter 7 Lesson 7.2
MS_Extra Practice_4B_Ch07_001-024.indd 8
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Name:
Date:
Write each of these as a decimal.
11.
9 hundredths ⫽
12.
10 hundredths ⫽
13.
35 hundredths ⫽
14.
206 hundredths ⫽
15.
8 tenths 6 hundredths ⫽
16.
41 ones and 3 hundredths ⫽
17.
50 ones and 22 hundredths ⫽
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Write each fraction or mixed number as a decimal.
18.
4
_
⫽
100
19.
19
_
100 ⫽
20.
65
_
⫽
100
21.
80
_
100 ⫽
22.
14
2_
100 ⫽
23.
3
15_
100 ⫽
24.
8
30_
100 ⫽
25.
169
_
100 ⫽
26.
202
_
⫽
100
27.
250
_
100 ⫽
Write each decimal in hundredths.
28.
0.08 ⫽
hundredths
29.
0.25 ⫽
hundredths
30.
0.40 ⫽
hundredths
31.
6.07 ⫽
hundredths
32.
5.39 ⫽
hundredths
33.
9.80 ⫽
hundredths
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 9
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3/4/09 1:43:18 PM
Name:
Date:
Write each number as a fraction and as a decimal.
Complete the table.
34.
1 hundredth
35.
6 hundredths
36.
9 hundredths
37.
13 hundredths
38.
59 hundredths
39.
106 hundredths
Fraction
Decimal
Fill in the blanks.
40.
0.75 ⫽
41.
3.46 ⫽ 3
42.
5.08 ⫽ 5 ones and
43.
6.23 ⫽
ones and
tenths
hundredths
44.
9.50 ⫽
ones and
tenths
hundredths
10
tenths
hundredths
and 4 tenths
hundredths
hundredths
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Number of Hundredths
Chapter 7 Lesson 7.2
MS_Extra Practice_4B_Ch07_001-024.indd 10
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Name:
Date:
3
1
6.13 can be written as 6 ⴙ _
ⴙ_
. Complete in the same way.
10 100
45.
1.56 46.
24.07 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
7.45 can be written as 7 ⴙ 0.4 ⴙ 0.05. Complete in the same way.
47.
3.89 48.
51.52 Fill in the blanks.
49.
Ones
4
•
Tenths
Hundredths
8
3
place. Its value is
The digit 3 is in the
50.
Ones
7
The digit 0 is in the
•
Tenths
Hundredths
0
9
place. Its value is
.
.
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 11
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Name:
51.
Date:
Tens
Ones
6
1
The digit
52.
•
Tenths
Hundredths
5
5
is in the tens place. Its value is
Tens
Ones
3
4
The digit
•
.
Tenths
Hundredths
0
2
is in the hundredths place. Its value is
.
53.
35 cents ⫽ $
54.
70 cents ⫽ $
55.
108 cents ⫽ $
56.
240 cents ⫽ $
57.
6 dollars 35 cents ⫽ $
58.
9 dollars 5 cents ⫽ $
12
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Write each amount in decimal form.
Chapter 7 Lesson 7.2
MS_Extra Practice_4B_Ch07_001-024.indd 12
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Name:
Date:
Lesson 7.3
Comparing Decimals (Part 1)
Use the number line. Find the number that is
1.0
1.1
1.2
1.
0.1 more than 1.9.
2.
0.3 more than 1.1.
3.
0.5 more than 1.4.
4.
0.4 less than 1.6.
5.
0.2 less than 1.8.
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
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Use the number line. Find the number that is
1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30
6.
0.01 more than 1.26.
7.
0.02 more than 1.23.
8.
0.05 more than 1.24.
9.
0.03 less than 1.26.
10.
0.04 less than 1.25.
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 13
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Name:
Date:
Continue the number patterns.
Use the number line to help you.
11.
1.02 1.04 1.06
1.02
1.04
?
?
1.12 1.14 1.16
1.06
12.
0.35
1.55
0.35
1.55
5.92
5.60
5.92
5.60
7.95
6.75
2.75
2.75
?
?
7.55
?
?
4.32
4.00
?
?
1.95
0.75
?
6.22
?
6.16
3.95
3.95
5.28
5.28
14.
7.95
6.75
5.55
5.55
15.
6.34
6.38
6.28
6.34 6.38 6.28
14
6.22
6.16
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13.
Chapter 7 Lesson 7.3
MS_Extra Practice_4B_Ch07_001-024.indd 14
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Name:
Date:
Lesson 7.3
Comparing Decimals (Part 2)
Compare the two decimals in each table. Then fill in the blanks.
1.
Ones
Tenths
Hundredths
2
•
0
3
2
•
0
6
is greater than
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
2.
Ones
.
Tenths
Hundredths
0
•
3
5
0
•
3
2
is less than
3.
Ones
.
Tenths
Hundredths
8
•
2
3
8
•
3
2
is greater than
4.
Ones
.
Tenths
Hundredths
0
•
0
9
0
•
9
0
is less than
.
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 15
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Name:
Date:
Compare. Write , or ..
5.
0.58
0.85
6.
0.07
0.09
7.
3.36
3.63
8.
2.10
2.01
Circle the greatest decimal and underline the least.
9.
0.45
0.15
0.54
10.
7.68
7.86
6.78
11.
0.86
0.82
0.68
12.
0.98
0.99
0.89
13.
0.75
0.57
0.70
14.
5.46
6.54
5.64
Write the decimals in order from greatest to least.
15.
0.10
0.09
0.07
16.
0.99
0.09
0.90
17.
0.38
0.83
3.08
18.
8.49
9.48
8.94
16
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Write the decimals in order from least to greatest.
Chapter 7 Lesson 7.3
MS_Extra Practice_4B_Ch07_001-024.indd 16
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Name:
Date:
Lesson 7.4
Rounding Decimals (Part 1)
Fill in the missing number in each box.
Then round each decimal to the nearest whole number.
1.
5
5.63
5.63 rounded to the nearest whole number is
.
2.
3
2.38
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2.38 rounded to the nearest whole number is
.
Round each measure.
3.
Round the height of the cabinet to the nearest centimeter.
centimeters is about
centimeters.
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 17
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Name:
Date:
4.
Round the amount of water to the nearest liter.
liters is about
liters.
Round the weight of the grapes to the nearest pound.
pounds is about
pounds.
6.
Round the length of the road to the nearest kilometer.
kilometers is about
kilometers.
7.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
5.
Round the price of the sneakers to the nearest dollar.
$
18
is about
dollars.
Chapter 7 Lesson 7.4
MS_Extra Practice_4B_Ch07_001-024.indd 18
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Name:
Date:
Lesson 7.4
Rounding Decimals (Part 2)
Fill in the missing number in each box. Then round each decimal
to the nearest tenth.
1.
3.0
3.08
3.08 rounded to the nearest tenth is
.
2.
13.2
13.13
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13.13 rounded to the nearest tenth is
.
Round each measure.
3.
The weight of a kitten is 2.05 pounds.
Round the weight of the kitten to the nearest tenth of a pound.
2.05 pounds is about
4.
The length of a bed is 1.34 meters.
Round the length of the bed to the nearest tenth of a meter.
meters is about
5.
pounds.
meters.
Cedar Highway is 15.59 kilometers long.
Round the length of the highway to the nearest tenth of a kilometer.
kilometers is about
kilometers.
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 19
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3/4/09 1:43:21 PM
Name:
6.
Date:
The volume of water in a jug is 3.46 liters.
Round the volume of water to the nearest liter.
liters is about
7.
liters.
Jason’s weight is 96.52 pounds.
Round Jason’s weight to the nearest pound.
pounds is about
pounds.
Round each decimal to the nearest whole number and then to the nearest
tenth.
8.
0.67
9.
1.28
10.
3.06
11.
8.73
12.
19.45
13.
23.99
14.
36.24
15.
41.99
20
Rounded to the nearest
Whole Number
Tenth
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Decimal
Chapter 7 Lesson 7.4
MS_Extra Practice_4B_Ch07_001-024.indd 20
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Name:
Date:
Lesson 7.5
Fractions and Decimals
Write each fraction or mixed number as a decimal.
2.
1.
67
_
100 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
4
_
10
3.
3
_
10
4.
49
_
100 5.
9
5_
10 6.
79
8_
100 Write each fraction or mixed number as a decimal.
Hint: Make the denominator 10 or 100.
7.
1
_
_
10 5
8.
19
_
_
50 100 9.
4
_
5
10.
1
_
2
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 21
21
3/4/09 1:43:22 PM
Name:
Date:
Write each fraction or mixed number as a decimal.
Hint: Make the denominator 10 or 100.
11.
7
_
⫽
4
12.
6
_
20 ⫽
13.
16
_
⫽
25
14.
1
7_
5⫽
15.
0.6 ⫽
16.
5.7 ⫽
17.
1.45 ⫽
18.
3.36 ⫽
22
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Write each decimal as a fraction or mixed number in simplest form.
Chapter 7 Lesson 7.5
MS_Extra Practice_4B_Ch07_001-024.indd 22
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Name:
Date:
Put on Your Thinking Cap!
Mark an ✘ to show where each decimal is located on the number line.
1.
3.0
0
2.
1.0
1.5
0.24
0
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
0.5
0.06 0.12
Write any number that is
3.
greater than 5.3 but less than 5.4.
4.
greater than 0.4 but less than 0.5.
5.
greater than 3.85 but less than 3.95.
Answer the questions.
tenths
6.
How many tenths are in 8.32?
7.
How many tenths are in 25.80?
tenths
8.
How many tenths are in 37.00?
tenths
9.
How many hundredths are in 0.56?
hundredths
Extra Practice 4B
MS_Extra Practice_4B_Ch07_001-024.indd 23
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3/4/09 1:43:22 PM
Name:
Date:
Answer the questions.
10.
How many hundredths are in 1.82?
hundredths
11.
How many hundredths are in 3.94?
hundredths
12.
Round 8.99 to the nearest
a.
whole number.
b.
tenth.
Continue the number patterns.
13.
1.98
14.
1.8
15.
1.2 1.7 2.7 4.2 6.2
16.
3.7
17.
1.68
1.69
1.70
1.68
1.66
18.
4.92
4.62
4.02
3.12
1.92
19.
6.38 5.98
24
6.38
1.76
3.5
1.72
3.1
8.58
1.68
2.5
10.78
1.64
1.7
1.67
7.38 6.58 9.38 8.18
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
4.18
Chapter 7 Put on Your Thinking Cap!
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