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
B
3.
number.
and 5 × 7.
A
4.
1) 4
3
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 18
B. 11
C. 13
D. 9
× 3 =
7
7
7
7
7
A
5.
2) 8
2
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 39
B. 30
C. 38
D. 34
× 4 =
D
3
3
3
3
3
6.
B
7.
3) 8 × 3
7
7
⁄
⁄
A. 35
B. 31
C. 33
D. 40
=
8
8
C
8.
4) 3 × 2
2
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 7
B. 3
C. 11
D. 4
=
5
5
5
5
5
C
9.
5) 5
5
4
4
4
5
⁄
⁄
⁄
⁄
⁄
A. 28
B. 23
C. 35
D. 22
× 5 =
C
7
7
7
7
7
10.
D
6) 7 × 5
11.
4
4
4
8
8
⁄
⁄
⁄
⁄
⁄
A. 43
B. 34
C. 33
D. 37
=
10
10
10
10
10
C
12.
7) 2
9
9
5
5
9
⁄
⁄
⁄
⁄
⁄
A. 7
B. 14
C. 5
D. 18
× 5 =
10
10
10
10
10
8) 5
3
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 44
B. 36
C. 50
D. 55
× 9 =
5
5
5
5
5
9) 9 × 4
4
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 35
B. 48
C. 43
D. 46
=
5
5
5
5
5
10) 9 × 8
4
1
4
1
1
⁄
⁄
⁄
⁄
⁄
A. 90
B. 82
C. 79
D. 69
=
5
5
5
5
5
11) 3
2
⁄
A. 25
B. 45
C. 39
D. 29
× 9 =
9
12) 2
3
3
⁄
⁄
A. 16
B. 9
C. 13
D. 18
× 5 =
5
5
1-10 92 83 75 67 58 50 42 33 25 17
9
Math
11-12 8
0
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