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)
D
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
A
3.
number.
and 5 × 7.
D
4.
1) 7
1
1
⁄
⁄
A. 50
B. 54
C. 44
D. 41
× 6 =
3
3
A
5.
2) 3 × 9
3
3
3
3
3
⁄
⁄
⁄
⁄
⁄
A. 25
B. 24
C. 26
D. 28
=
D
6
6
6
6
6
6.
D
7.
3) 6 × 7
2
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 44
B. 41
C. 51
D. 39
=
5
5
5
5
5
C
8.
4) 5
1
⁄
A. 19
B. 20
C. 14
D. 16
× 3 =
3
B
9.
5) 2 × 6
3
6
6
6
3
⁄
⁄
⁄
⁄
⁄
A. 12
B. 16
C. 9
D. 11
=
B
10
10
10
10
10
10.
C
6) 3
11.
6
4
4
6
4
⁄
⁄
⁄
⁄
⁄
A. 11
B. 10
C. 5
D. 7
× 2 =
8
8
8
8
8
A
12.
7) 5
1
1
⁄
⁄
A. 27
B. 29
C. 28
D. 33
× 6 =
2
2
8) 7 × 5
1
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 34
B. 49
C. 38
D. 45
=
2
2
2
2
2
9) 5
2
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 32
B. 27
C. 33
D. 24
× 5 =
4
4
4
4
4
10) 5 × 5
1
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 35
B. 27
C. 22
D. 33
=
2
2
2
2
2
11) 3
5
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 3
B. 9
C. 7
D. 5
× 2 =
9
9
9
9
9
12) 5
1
1
⁄
⁄
A. 48
B. 44
C. 43
D. 36
× 9 =
3
3
1-10 92 83 75 67 58 50 42 33 25 17
6
Math
11-12 8
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