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Math Problems
Grade 7
Estimate sums, differences, and products of decimals
Estimate the product. Round each factor to the nearest whole number, and then multiply.
\newline
4.2
×
8.2
4.2 \times 8.2
4.2
×
8.2
\newline
The product is approximately _____.
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Estimate the product. Round each factor to the nearest whole number, and then multiply.
\newline
2.4
×
1.2
2.4 \times 1.2
2.4
×
1.2
\newline
The product is approximately
_
_
\_\_
__
.
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Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
7.74
−
5.64
7.74 - 5.64
7.74
−
5.64
\newline
The difference is approximately _____.
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Estimate the sum by rounding each number to the nearest whole number and then adding.
\newline
4.6
+
2.4
4.6 + 2.4
4.6
+
2.4
\newline
The sum is approximately _____.
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Estimate the sum by rounding each number to the nearest whole number and then adding.
\newline
5.09
+
3.12
5.09 + 3.12
5.09
+
3.12
\newline
The sum is approximately _____.
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Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
7.86
−
1.99
7.86 - 1.99
7.86
−
1.99
\newline
The difference is approximately _____.
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Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
10.98
−
8.8
10.98 - 8.8
10.98
−
8.8
\newline
The difference is approximately
‾
\underline{\hspace{3em}}
.
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Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
7.17
−
5.78
7.17 - 5.78
7.17
−
5.78
\newline
The difference is approximately _____.
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Estimate the sum by rounding each number to the nearest whole number and then adding.
\newline
2.71
+
2.78
2.71 + 2.78
2.71
+
2.78
\newline
The sum is approximately _____.
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Estimate the product. Round each factor to the nearest whole number, and then multiply.
\newline
2.3
×
2.2
2.3 \times 2.2
2.3
×
2.2
\newline
The product is approximately _____.
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Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
9.37
−
4.74
9.37 - 4.74
9.37
−
4.74
\newline
The difference is approximately _____.
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Estimate the product. Round each factor to the nearest whole number, and then multiply.
\newline
0.66
×
7.92
0.66 \times 7.92
0.66
×
7.92
\newline
The product is approximately
‾
\underline{\hspace{3em}}
.
Get tutor help
Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
3.96
−
1.61
3.96 - 1.61
3.96
−
1.61
\newline
The difference is approximately _____.
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Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
6.8
−
2.3
6.8 - 2.3
6.8
−
2.3
\newline
The difference is approximately
‾
\underline{\hspace{3em}}
.
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Estimate the sum by rounding each number to the nearest whole number and then adding.
\newline
7.88
+
5.48
7.88 + 5.48
7.88
+
5.48
\newline
The sum is approximately _____.
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Estimate the sum by rounding each number to the nearest whole number and then adding.
\newline
6.9
+
4.1
6.9 + 4.1
6.9
+
4.1
\newline
The sum is approximately _____.
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Estimate the sum by rounding each number to the nearest whole number and then adding.
\newline
5.32
+
3.56
5.32 + 3.56
5.32
+
3.56
\newline
The sum is approximately _____.
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Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
10.8
−
9.8
10.8 - 9.8
10.8
−
9.8
\newline
The difference is approximately _____.
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Estimate the difference by rounding each number to the nearest whole number and then subtracting.
\newline
8.4
−
4.4
8.4 - 4.4
8.4
−
4.4
\newline
The difference is approximately
‾
\underline{\hspace{3em}}
.
Get tutor help
