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) 7
3
⁄
A. 50
B. 54
C. 45
D. 36
× 6 =
6
B
5.
2) 6
3
5
5
3
5
⁄
⁄
⁄
⁄
⁄
A. 22
B. 30
C. 31
D. 25
× 4 =
D
7
7
7
7
7
6.
B
7.
3) 2
1
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 8
B. 12
C. 7
D. 18
× 5 =
2
2
2
2
2
D
8.
4) 3
4
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 30
B. 40
C. 23
D. 34
× 8 =
5
5
5
5
5
D
9.
5) 9
6
6
6
6
6
⁄
⁄
⁄
⁄
⁄
A. 82
B. 78
C. 70
D. 81
× 8 =
D
7
7
7
7
7
10.
B
6) 5 × 5
11.
1
5
5
5
5
⁄
⁄
⁄
⁄
⁄
A. 31
B. 33
C. 35
D. 25
=
9
9
9
9
9
B
12.
7) 7
1
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 42
B. 36
C. 33
D. 30
× 5 =
3
3
3
3
3
8) 4
1
2
1
2
2
⁄
⁄
⁄
⁄
⁄
A. 15
B. 17
C. 30
D. 21
× 5 =
3
3
3
3
3
9) 4 × 6
8
2
8
2
2
⁄
⁄
⁄
⁄
⁄
A. 32
B. 29
C. 22
D. 27
=
10
10
10
10
10
10) 5
1
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 20
B. 33
C. 23
D. 27
× 5 =
2
2
2
2
2
11) 7
3
2
2
2
2
⁄
⁄
⁄
⁄
⁄
A. 54
B. 46
C. 36
D. 49
× 6 =
4
4
4
4
4
12) 7 × 3
1
1
1
1
1
⁄
⁄
⁄
⁄
⁄
A. 29
B. 23
C. 35
D. 14
=
3
3
3
3
3
1-10 92 83 75 67 58 50 42 33 25 17
1
Math
11-12 8
0
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