Practice Estimation in Math
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
Finding a quick approximate answer by rounding to convenient values and computing mentally—no exact calculation needed.
Quick mental math to get 'close enough'—is 48 \times 52 closer to 2000 or 3000?
Example 1
easyEstimate 49.7 \times 6.1 without a calculator.
Example 2
mediumEstimate \sqrt{52} to the nearest tenth.
Example 3
easyEstimate \frac{398}{21} to the nearest whole number.
Example 4
easyEstimate 198 \times 49 without a calculator.