Rounding & Estimating: Hard Test 1
15 questions · 15 minutes
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Example questions from this paper
A preview of the wording. The answer options and full explanations appear once you begin.
- Round 0.00847 to 2 significant figures.
- Round 4,732,500 to 3 significant figures.
- A number is rounded to the nearest 100 and gives 3,400. What is the SMALLEST possible value of the original number?
- Round 0.999 to 2 significant figures.
- Estimate 3,847 ÷ 19 by rounding each number to 1 significant figure.
Before you begin, remember
- Look only at the digit immediately to the right of the place you are rounding to. Digits further along do not get a vote.
- 5 or more rounds up, 4 or less rounds down. Watch for 9s: rounding 3,297 to the nearest ten gives 3,300, not 3,290.