Estimating Multiplication Of Fractions Worksheet With Answer Key
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1
2Name:
Estimating Multiplication of Fractions
Determine the answer using estimation.
A n s w e r s
2
2
1
5 × 6
/
=
5 × 6
/
=
33
/
When multiplying a
3
3
3
C
1.
2
1
fraction and a whole
In the example above, 6
/
The actual answer is 33
/
3
3
number you can
is larger than 6 but less
which is between 5 × 6 (30)
B
estimate the answer by
than 7.
and 5 × 7 (35).
2.
remember that the
So we know the answer is
fraction is just part of a
going to be between 5 × 6
D
3.
number.
and 5 × 7.
A
4.
1) 7
1
3
3
3
1
⁄
⁄
⁄
⁄
⁄
A. 42
B. 48
C. 50
D. 47
× 7 =
4
4
4
4
4
A
5.
2) 5
8
6
6
6
6
⁄
⁄
⁄
⁄
⁄
A. 43
B. 40
C. 44
D. 28
× 7 =
A
10
10
10
10
10
6.
D
7.
3) 5
1
4
4
4
4
⁄
⁄
⁄
⁄
⁄
A. 28
B. 18
C. 26
D. 20
× 4 =
7
7
7
7
7
A
8.
4) 8
4
⁄
A. 60
B. 54
C. 64
D. 65
× 7 =
7
B
9.
5) 4 × 7
2
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 30
B. 35
C. 24
D. 36
=
A
3
3
3
3
3
10.
A
6) 3 × 8
11.
2
6
2
6
6
⁄
⁄
⁄
⁄
⁄
A. 24
B. 21
C. 30
D. 28
=
8
8
8
8
8
A
12.
7) 6 × 2
8
8
8
8
8
⁄
⁄
⁄
⁄
⁄
A. 20
B. 19
C. 21
D. 16
=
10
10
10
10
10
8) 6 × 6
8
3
3
3
3
⁄
⁄
⁄
⁄
⁄
A. 41
B. 34
C. 43
D. 35
=
9
9
9
9
9
9) 9 × 8
4
4
4
⁄
⁄
⁄
A. 83
B. 76
C. 82
D. 70
=
9
9
9
10) 5
1
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 41
B. 56
C. 50
D. 38
× 8 =
7
7
7
7
7
11) 6 × 6
5
5
5
⁄
⁄
⁄
A. 39
B. 34
C. 43
D. 44
=
10
10
10
12) 4
8
6
6
8
6
⁄
⁄
⁄
⁄
⁄
A. 14
B. 16
C. 10
D. 18
× 3 =
9
9
9
9
9
1-10 92 83 75 67 58 50 42 33 25 17
7
Math
11-12 8
0
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