Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 49 by rounding each number to the nearest 10: ______
- Estimate 53 − 41 by rounding each number to the nearest 10: ______
- Estimate 85 − 32 by rounding each number to the nearest 10: ______
- Estimate 86 − 42 by rounding each number to the nearest 10: ______
- Estimate 66 − 35 by rounding each number to the nearest 10: ______
- Estimate 86 − 86 by rounding each number to the nearest 10: ______
- Estimate 51 + 43 by rounding each number to the nearest 10: ______
- Estimate 65 − 82 by rounding each number to the nearest 10: ______
- Estimate 47 − 40 by rounding each number to the nearest 10: ______
- Estimate 66 + 41 by rounding each number to the nearest 10: ______
- Estimate 65 − 68 by rounding each number to the nearest 10: ______
- Estimate 33 − 31 by rounding each number to the nearest 10: ______
- Estimate 47 − 51 by rounding each number to the nearest 10: ______
- Estimate 77 + 80 by rounding each number to the nearest 10: ______
- Estimate 25 − 75 by rounding each number to the nearest 10: ______
- Estimate 65 − 33 by rounding each number to the nearest 10: ______
- Estimate 59 + 77 by rounding each number to the nearest 10: ______
- Estimate 21 − 88 by rounding each number to the nearest 10: ______
- Estimate 44 − 58 by rounding each number to the nearest 10: ______
- Estimate 81 − 22 by rounding each number to the nearest 10: ______