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Math Problems
Grade 6
Multiply and divide decimals by powers of ten
775
775
775
,
000
000
000
\_\_\_
7
7
7
.
75
75
75
\times
10
10
10
^
3
3
3
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Multiply:
\newline
10
×
2.78
=
?
10 \times 2.78 = ?
10
×
2.78
=
?
\newline
Choices:
\newline
(A)
2
,
780
2,780
2
,
780
\newline
(B)
2.78
2.78
2.78
\newline
(C)
278
278
278
\newline
(D)
27.8
27.8
27.8
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Multiply:
\newline
100
×
8.6
=
100 \times 8.6 =
100
×
8.6
=
_____
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Multiply:
\newline
0.84
×
100
=
0.84 \times 100 =
0.84
×
100
=
_____
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Divide:
\newline
820.9
÷
100
=
?
820.9 \div 100 = ?
820.9
÷
100
=
?
\newline
Choices:
\newline
(A)
0.08209
0.08209
0.08209
\newline
(B)
0.008209
0.008209
0.008209
\newline
(C)
82.09
82.09
82.09
\newline
(D)
8.209
8.209
8.209
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Multiply:
\newline
100
×
0.41
100\times 0.41
100
×
0.41
?
\newline
Choices:
\newline
(A)
4.1
4.1
4.1
\newline
(B)
41
41
41
\newline
(C)
4
,
100
4,100
4
,
100
\newline
(D)
410
410
410
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Divide:
\newline
9
,
897.0
÷
100
=
9,897.0 \div 100 =
9
,
897.0
÷
100
=
_____
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Divide:
\newline
9.9
÷
10
=
9.9 \div 10 =
9.9
÷
10
=
_____
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Multiply:
\newline
10
×
0.1
10\times 0.1
10
×
0.1
?
\newline
Choices:
\newline
(A)
0.1
0.1
0.1
\newline
(B)
10
10
10
\newline
(C)
100
100
100
\newline
(D)
1
1
1
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Multiply:
\newline
0.3
×
10
=
0.3 \times 10 =
0.3
×
10
=
_____
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Multiply:
\newline
5.2
×
10
=
_
5.2 \times 10 = \_
5.2
×
10
=
_
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Multiply:
\newline
100
×
0.97
=
?
100 \times 0.97 = ?
100
×
0.97
=
?
\newline
Choices:
\newline
(A)
9
,
700
9,700
9
,
700
\newline
(B)
9.7
9.7
9.7
\newline
(C)
970
970
970
\newline
(D)
97
97
97
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Divide:
\newline
1
,
064.90
÷
10
=
?
1,064.90 \div 10 = ?
1
,
064.90
÷
10
=
?
\newline
Choices:
\newline
(A)
1.0649
1.0649
1.0649
\newline
(B)
106
,
490
106,490
106
,
490
\newline
(C)
1
,
064.9
1,064.9
1
,
064.9
\newline
(D)
106.49
106.49
106.49
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Divide:
\newline
3.24
÷
10
=
?
3.24 \div 10 = ?
3.24
÷
10
=
?
\newline
Choices:
\newline
(A)
324
324
324
\newline
(B)
0.00324
0.00324
0.00324
\newline
(C)
0.324
0.324
0.324
\newline
(D)
3.24
3.24
3.24
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Divide:
\newline
97.4
÷
10
=
?
97.4 \div 10 = ?
97.4
÷
10
=
?
\newline
Choices:
\newline
(A)
9.74
9.74
9.74
\newline
(B)
0.00974
0.00974
0.00974
\newline
(C)
0.0974
0.0974
0.0974
\newline
(D)
9
,
740
9,740
9
,
740
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Divide:
\newline
6.55
÷
10
=
?
6.55 \div 10 = ?
6.55
÷
10
=
?
\newline
Choices:
\newline
(A)
0.655
0.655
0.655
\newline
(B)
0.000655
0.000655
0.000655
\newline
(C)
6.55
6.55
6.55
\newline
(D)
0.0655
0.0655
0.0655
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Divide:
\newline
7.58
÷
100
=
7.58 \div 100 =
7.58
÷
100
=
_____
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Divide:
\newline
1
,
105.00
÷
10
=
?
1,105.00 \div 10 = ?
1
,
105.00
÷
10
=
?
\newline
Choices:
\newline
(A)
110.50
110.50
110.50
\newline
(B)
0.11050
0.11050
0.11050
\newline
(C)
1.1050
1.1050
1.1050
\newline
(D)
11
,
050
11,050
11
,
050
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Divide:
\newline
5.55
÷
100
=
?
5.55 \div 100 = ?
5.55
÷
100
=
?
\newline
Choices:
\newline
(A)
5.55
5.55
5.55
\newline
(B)
0.000555
0.000555
0.000555
\newline
(C)
55.5
55.5
55.5
\newline
(D)
0.0555
0.0555
0.0555
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Divide:
\newline
8.1
÷
100
=
?
8.1 \div 100 = ?
8.1
÷
100
=
?
\newline
Choices:
\newline
(A)
0.00081
0.00081
0.00081
\newline
(B)
0.000081
0.000081
0.000081
\newline
(C)
0.081
0.081
0.081
\newline
(D)
8.1
8.1
8.1
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Multiply:
\newline
0.5
×
10
?
0.5\times 10?
0.5
×
10
?
\newline
Choices:
\newline
(A)
50
50
50
\newline
(B)
5
,
000
5,000
5
,
000
\newline
(C)
0.5
0.5
0.5
\newline
(D)
5
5
5
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n
×
28.9
n \times 28.9
n
×
28.9
when
n
=
6.1
n = 6.1
n
=
6.1
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12.5
×
24.5
=
12.5\times24.5=
12.5
×
24.5
=
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0.9
=
3
x
0.9=\frac{3}{x}
0.9
=
x
3
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−
5
1
2
÷
(
−
4
1
2
)
=
-5 \frac{1}{2} \div\left(-4 \frac{1}{2}\right)=
−
5
2
1
÷
(
−
4
2
1
)
=
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1
2
7
÷
(
−
2
1
4
)
=
1 \frac{2}{7} \div\left(-2 \frac{1}{4}\right)=
1
7
2
÷
(
−
2
4
1
)
=
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−
1
3
8
÷
(
−
1
4
7
)
=
-1 \frac{3}{8} \div\left(-1 \frac{4}{7}\right)=
−
1
8
3
÷
(
−
1
7
4
)
=
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Multiply.
\newline
4.16
×
2.1
4.16 \times 2.1
4.16
×
2.1
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19.944
20.524
×
100
%
\frac{19.944}{20.524} \times 100 \%
20.524
19.944
×
100%
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31.5
÷
10
=
315
10
×
1
10
=
315
100
=
31.5 \div 10=\frac{315}{10} \times \frac{1}{10}=\frac{315}{100}=
31.5
÷
10
=
10
315
×
10
1
=
100
315
=
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1
×
π
×
(
11.5
)
2
×
(
16
)
1\times\pi\times(11.5)^{2}\times(16)
1
×
π
×
(
11.5
)
2
×
(
16
)
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0.0005321
×
1
0
7
0.0005321 \times 10^{7}
0.0005321
×
1
0
7
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5.72
×
1
0
1
5.72 \times 10^{1}
5.72
×
1
0
1
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The value of
x
x
x
is decreased by
45
%
45 \%
45%
. Which expression represents this situation?
\newline
0.955
x
0.955 x
0.955
x
\newline
45
x
45 x
45
x
\newline
0.45
x
0.45 x
0.45
x
\newline
0.55
x
0.55 x
0.55
x
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Compute:
\newline
46.04
×
10000
46.04 \times 10000
46.04
×
10000
\newline
Answer:
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Compute:
\newline
93.08
×
1000
93.08 \times 1000
93.08
×
1000
\newline
Answer:
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Compute:
\newline
24.33
×
10
24.33 \times 10
24.33
×
10
\newline
Answer:
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Compute:
\newline
98.05
×
10
98.05 \times 10
98.05
×
10
\newline
Answer:
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Evaluate:
\newline
118.4
×
10
118.4 \times 10
118.4
×
10
\newline
Answer:
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Evaluate:
\newline
94.6
×
10
94.6 \times 10
94.6
×
10
\newline
Answer:
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Evaluate:
\newline
146.02
×
10
146.02 \times 10
146.02
×
10
\newline
Answer:
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Evaluate:
\newline
106.26
×
10
106.26 \times 10
106.26
×
10
\newline
Answer:
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Evaluate:
\newline
123.835
×
10
123.835 \times 10
123.835
×
10
\newline
Answer:
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Evaluate:
\newline
144.27
×
10
144.27 \times 10
144.27
×
10
\newline
Answer:
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Evaluate:
\newline
49.23
×
10
49.23 \times 10
49.23
×
10
\newline
Answer:
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Evaluate:
\newline
41.3
×
10
41.3 \times 10
41.3
×
10
\newline
Answer:
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Evaluate:
\newline
104.5
×
10
104.5 \times 10
104.5
×
10
\newline
Answer:
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Evaluate:
\newline
21.4
×
10
21.4 \times 10
21.4
×
10
\newline
Answer:
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Evaluate:
\newline
147.6
×
10
147.6 \times 10
147.6
×
10
\newline
Answer:
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Evaluate:
\newline
114.458
×
10
114.458 \times 10
114.458
×
10
\newline
Answer:
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