Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 24 by rounding each number to the nearest 10: ______
- Estimate 81 + 61 by rounding each number to the nearest 10: ______
- Estimate 79 − 31 by rounding each number to the nearest 10: ______
- Estimate 71 + 60 by rounding each number to the nearest 10: ______
- Estimate 77 − 77 by rounding each number to the nearest 10: ______
- Estimate 39 − 27 by rounding each number to the nearest 10: ______
- Estimate 62 − 50 by rounding each number to the nearest 10: ______
- Estimate 51 + 86 by rounding each number to the nearest 10: ______
- Estimate 58 − 73 by rounding each number to the nearest 10: ______
- Estimate 71 − 77 by rounding each number to the nearest 10: ______
- Estimate 82 + 78 by rounding each number to the nearest 10: ______
- Estimate 25 − 79 by rounding each number to the nearest 10: ______
- Estimate 28 + 27 by rounding each number to the nearest 10: ______
- Estimate 30 + 36 by rounding each number to the nearest 10: ______
- Estimate 25 + 76 by rounding each number to the nearest 10: ______
- Estimate 80 − 48 by rounding each number to the nearest 10: ______
- Estimate 37 − 88 by rounding each number to the nearest 10: ______
- Estimate 59 + 82 by rounding each number to the nearest 10: ______
- Estimate 84 + 39 by rounding each number to the nearest 10: ______
- Estimate 55 + 61 by rounding each number to the nearest 10: ______