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) 5 × 4
3
⁄
A. 28
B. 15
C. 23
D. 18
=
5
A
5.
2) 8 × 3
4
4
2
4
2
⁄
⁄
⁄
⁄
⁄
A. 35
B. 29
C. 21
D. 22
=
B
6
6
6
6
6
6.
D
7.
3) 7
5
6
6
6
6
⁄
⁄
⁄
⁄
⁄
A. 50
B. 54
C. 39
D. 45
× 6 =
8
8
8
8
8
A
8.
4) 3 × 3
5
1
1
1
5
⁄
⁄
⁄
⁄
⁄
A. 11
B. 8
C. 13
D. 7
=
7
7
7
7
7
C
9.
5) 6 × 2
1
⁄
A. 15
B. 9
C. 19
D. 6
=
B
2
10.
C
6) 6
11.
3
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 15
B. 19
C. 16
D. 23
× 3 =
7
7
7
7
7
C
12.
7) 7
1
5
5
1
5
⁄
⁄
⁄
⁄
⁄
A. 41
B. 45
C. 43
D. 35
× 5 =
7
7
7
7
7
8) 9 × 9
6
4
4
4
6
⁄
⁄
⁄
⁄
⁄
A. 86
B. 79
C. 92
D. 78
=
10
10
10
10
10
9) 6 × 8
1
1
⁄
⁄
A. 55
B. 45
C. 49
D. 56
=
6
6
10) 4
3
5
5
5
5
⁄
⁄
⁄
⁄
⁄
A. 18
B. 21
C. 17
D. 15
× 5 =
10
10
10
10
10
11) 5
1
1
1
⁄
⁄
⁄
A. 8
B. 13
C. 11
D. 9
× 2 =
2
2
2
12) 9
3
3
3
3
3
⁄
⁄
⁄
⁄
⁄
A. 26
B. 25
C. 28
D. 33
× 3 =
6
6
6
6
6
1-10 92 83 75 67 58 50 42 33 25 17
4
Math
11-12 8
0
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