Date:
P
H A TE
3
R
C
Name:
Fractions and Mixed Numbers
Lesson 3.1
Adding Unlike Fractions
Find two equivalent fractions for each fraction.
1.
1
_
!
4
!
2.
2
_
!
3
!
3.
4
_
!
9
!
4.
3
_
!
5
!
5.
6
_
!
!
6.
5
_
!
!
7
8
Shade and label each model to show the fractions. Then complete
the addition sentence.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
7.
1
2, _
_
3 4
1
2"_
_
!
3
4
"
!
8.
2 _
_
,1
5 2
2
1
_
"_
!
5
2
"
!
Extra Practice 5A
MS_Extra Practice_5A_Ch03_047-068.indd 47
47
12/6/08 12:22:22 PM
Name:
Date:
1
Estimate each sum by rounding the fractions to 0, _
, or 1. Then find
2
the actual sum. Express each sum in simplest form.
9.
3
2
_
!_
10.
1
1
_
!_
11.
3
7
_
!_
12.
4
2
_
_
5 !3
13.
7
1
_
!_
14.
3
6
_
!_
48
10
8
8
4
6
3
7
10
4
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
5
Chapter 3 Lesson 3.1
MS_Extra Practice_5A_Ch03_047-068.indd 48
12/6/08 12:22:22 PM
Name:
Date:
Lesson 3.2
Subtracting Unlike Fractions
Fill in the blanks.
1.
Rewrite the two fractions as like fractions with the same denominator.
!
!
4
_
5 "
1
_
"
2
!
!
Using the equivalent fractions, complete the model and the subtraction
sentence.
4
_
"
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
5
4
1
_
#_
"
5
1
_
"
2
2
#
"
Extra Practice 5A
MS_Extra Practice_5A_Ch03_047-068.indd 49
49
12/6/08 12:22:22 PM
Name:
2.
Date:
Rewrite the two fractions as like fractions with the same denominator.
Then complete the model and the subtraction sentence.
4
_
!
1
_
!
6
9
1
4"_
_
!
9
6
"
!
3.
4
1
_
"_
3
4.
3
2
_
"_
5.
8
7
_
"_
8
6.
7
1
_
"_
7.
3
5
_
"_
8.
8
1
_
"_
50
5
9
6
8
4
12
9
3
4
2
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
1
Estimate each difference by rounding the fractions to 0, _
, or 1.
2
Then find the actual difference. Express each difference in simplest
form.
Chapter 3 Lesson 3.2
MS_Extra Practice_5A_Ch03_047-068.indd 50
12/6/08 12:22:22 PM
Name:
Date:
Lesson 3.3
Fractions, Mixed Numbers,
and Division Expressions
Look at each model. Then write each division expression as a
fraction and as a mixed number if appropriate.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
1.
3!5"
2.
5!2"
"
Extra Practice 5A
MS_Extra Practice_5A_Ch03_047-068.indd 51
51
12/6/08 12:22:22 PM
Name:
Date:
3.
3 ! 25
4.
4 ! 38
5.
54 ! 7
6.
48 ! 9
Express each fraction as a mixed number in simplest form.
7.
18
_
8.
20
_
9.
44
_
10.
42
_
52
4
8
6
9
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Write each division expression as a fraction or mixed number
in simplest form.
Chapter 3 Lesson 3.3
MS_Extra Practice_5A_Ch03_047-068.indd 52
12/6/08 12:22:22 PM