Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 59 by rounding each number to the nearest 10: ______
- Estimate 66 − 67 by rounding each number to the nearest 10: ______
- Estimate 26 + 41 by rounding each number to the nearest 10: ______
- Estimate 30 + 59 by rounding each number to the nearest 10: ______
- Estimate 88 + 56 by rounding each number to the nearest 10: ______
- Estimate 89 + 62 by rounding each number to the nearest 10: ______
- Estimate 36 + 33 by rounding each number to the nearest 10: ______
- Estimate 27 − 85 by rounding each number to the nearest 10: ______
- Estimate 82 + 76 by rounding each number to the nearest 10: ______
- Estimate 38 − 31 by rounding each number to the nearest 10: ______
- Estimate 29 − 70 by rounding each number to the nearest 10: ______
- Estimate 47 − 81 by rounding each number to the nearest 10: ______
- Estimate 89 + 80 by rounding each number to the nearest 10: ______
- Estimate 21 − 72 by rounding each number to the nearest 10: ______
- Estimate 49 + 39 by rounding each number to the nearest 10: ______
- Estimate 73 − 70 by rounding each number to the nearest 10: ______
- Estimate 64 + 23 by rounding each number to the nearest 10: ______
- Estimate 68 + 65 by rounding each number to the nearest 10: ______
- Estimate 40 + 61 by rounding each number to the nearest 10: ______
- Estimate 63 − 76 by rounding each number to the nearest 10: ______