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Lesson Worksheet: Estimating Differences between Two-Digit Numbers: Rounding Mathematics
In this worksheet, we will practice estimating the difference between two-digit numbers by rounding to the nearest ten.
The teacher asked Jackson and Benjamin to find the estimated result of by rounding numbers to the nearest ten. Jackson said, “The estimated result is 30,” but Benjamin said, “The estimated result is 40.” Who is correct?
A student wants to estimate the result of by rounding the numbers to the nearest ten. Which number line represents the correct way to round these numbers?
Use this rounding to estimate the result of .
Mia wants to estimate the difference between 56 and 41. She says: “If we round both numbers to the nearest 10, the estimated difference is 20”. Is Mia’s statement true or false?
Estimate using rounding to the nearest ten.
Estimate the result of by rounding to the nearest ten.
Jacob has $62, and he buys goods for $37. Using rounding, estimate how much he will have after buying goods.
Who is correct?
Natalie estimates by rounding both numbers to the nearest 10. Does she get an estimate that is greater or smaller than the exact answer?