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.
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.
Which of the following is the best estimate for the sum of 1.98, 2.05, and 3.01?
(1) 6
(2) 7
(3) 8
(4) 9
Which of the following is the best estimate for the sum of 3,498 and 2,601 when both numbers are rounded to the nearest hundred?
(1) 6,000
(2) 6,100
(3) 6,200
(4) 6,300
Which of the following is the correct rounding of 0.004567 to three decimal places?
(1) 0.004
(2) 0.005
(3) 0.0046
(4) 0.00457
Which of the following is the correct rounding of 0.12345 to two decimal places?
(1) 0.12
(2) 0.13
(3) 0.123
(4) 0.124
Fill in the blank: 0.076 rounded to the nearest hundredth is __________.
Fill in the blank: 12,349 rounded to the nearest thousand is __________.
Fill in the blank: 5.555 rounded to the nearest whole number is __________.
Fill in the blank: 7,650 rounded to the nearest hundred is __________.
True or False: Rounding 0.4999 to the nearest tenth gives 0.5.
True or False: Rounding 2.499 to the nearest whole number gives 2.
True or False: When estimating the sum of several numbers, it is always best to round each number up.
True or False: When rounding a number to the nearest ten, if the units digit is 5 or greater, you round up.
