Rounding and Estimation
Math ⇒ Number and Operations
Rounding and Estimation starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Rounding and Estimation.
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See sample questions for grade 11
A company produced 47,382 units last year. Estimate the production to the nearest ten thousand.
A measurement is recorded as 8.376 meters. If the measuring instrument is only accurate to the nearest tenth, what should the measurement be reported as?
A population is estimated at 2,345,678. Round this number to the nearest hundred thousand.
A scientist records a value as 0.000456789. Round this value to three significant figures.
Describe the process of rounding a decimal number to a specified number of decimal places.
Estimate the product of 49.7 and 20.3 by rounding each number to the nearest ten before multiplying.
Estimate the value of 3,498 × 2,601 by rounding each number to the nearest thousand before multiplying.
Explain the difference between rounding and truncating a number.
Explain why estimation is important in real-life problem solving.
Explain why rounding errors can accumulate in repeated calculations.
If a number is rounded to 4,000 to the nearest thousand, what is the smallest possible value the original number could have been?
Round 0.0006789 to two significant figures.
Round 0.9999 to two decimal places.
Round 1,234,567 to the nearest million.
Round 2,499.5 to the nearest integer.
Round 3,456.789 to the nearest hundred.
