Estimating Decimals - Sums & Differences
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Last updated 7 months ago
18 questions
4
When estimating decimals, round each decimal first then add or subtract.
A paperclip has a mass of 4.237 grams. A pencil has a mass of 35.82 grams. About how many more grams is the pencil than the paperclip to the nearest tenth of a gram?
__________ __________ __________ = __________
6
Sophie went to the grocery store and placed three items in her cart:
- A pack of paper plates for $4.73
- A 2-liter bottle of Cola for $3.35
- A pack of Styrofoam cups for $1.99
To the nearest dollar, about how much money do the three items in Sophie’s cart cost altogether?
__________ __________ __________ __________ __________ = __________
4
What is the difference of 0.946 and 0.574 rounded to the nearest tenth?
__________ __________ __________ = __________
4
What is the sum of 8.647 and 3.384 rounded to the nearest hundredth?
__________ __________ __________ = __________
3
Estimate the sum or difference to the nearest tenth.
16.72 + 5.37 → __________ + __________ = __________
3
Estimate the sum or difference to the nearest tenth.
8.26 – 3.76 → __________ – __________ = __________
3
Estimate the sum or difference to the nearest tenth.
5.647 + 7.26 → _______ + _______ = _______
3
Estimate the sum or difference to the nearest tenth.
8.49 – 3.72 → _______ – _______ = _______
3
Estimate the sum or difference to the nearest hundredth.
2.738 + 1.973 → __________ + __________ = __________
3
Estimate the sum or difference to the nearest hundredth.
1.386 – 0.943 → __________ – __________ = __________
3
Estimate the sum or difference to the nearest hundredth.
1.684 + 2.738 → _______ + _______ = _______
3
Estimate the sum or difference to the nearest hundredth.
4.238 – 1.972 → _______ – _______ = _______
1
Estimate the sum of 0.897 and 4.432 to the nearest tenth.
Estimate the sum of 0.897 and 4.432 to the nearest tenth.
1
Estimate the difference of 7.455 and 2.324 to the nearest hundredth.
Estimate the difference of 7.455 and 2.324 to the nearest hundredth.
1
Estimate the sum of $3.48 and $6.25 to the nearest tenth (10 cents).
Estimate the sum of $3.48 and $6.25 to the nearest tenth (10 cents).
1
Approximation the difference between $8.62 and $3.99 to the nearest dollar?
Approximation the difference between $8.62 and $3.99 to the nearest dollar?
3
Match each estimated sum or difference to the matching estimation to the tenths place.
Match each estimated sum or difference to the matching estimation to the tenths place.
- 4.72 + 4.88
- 14.65 – 5.18
- 6.72 + 2.67
- 9.6
- 9.5
- 9.4
3
Match each estimated sum or difference to the matching estimation to the hundredths place.
Match each estimated sum or difference to the matching estimation to the hundredths place.
- 6.943 – 1.486
- 12.846 – 7.374
- 1.682 + 3.778
- 5.46
- 5.48
- 5.45