Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 76 by rounding each number to the nearest 10: ______
- Estimate 74 + 59 by rounding each number to the nearest 10: ______
- Estimate 36 + 44 by rounding each number to the nearest 10: ______
- Estimate 86 − 46 by rounding each number to the nearest 10: ______
- Estimate 89 + 81 by rounding each number to the nearest 10: ______
- Estimate 36 + 26 by rounding each number to the nearest 10: ______
- Estimate 77 − 63 by rounding each number to the nearest 10: ______
- Estimate 48 + 54 by rounding each number to the nearest 10: ______
- Estimate 83 − 88 by rounding each number to the nearest 10: ______
- Estimate 31 − 87 by rounding each number to the nearest 10: ______
- Estimate 77 − 36 by rounding each number to the nearest 10: ______
- Estimate 67 + 21 by rounding each number to the nearest 10: ______
- Estimate 64 − 21 by rounding each number to the nearest 10: ______
- Estimate 46 + 54 by rounding each number to the nearest 10: ______
- Estimate 87 − 55 by rounding each number to the nearest 10: ______
- Estimate 50 + 86 by rounding each number to the nearest 10: ______
- Estimate 43 + 75 by rounding each number to the nearest 10: ______
- Estimate 35 + 67 by rounding each number to the nearest 10: ______
- Estimate 28 − 21 by rounding each number to the nearest 10: ______
- Estimate 41 − 60 by rounding each number to the nearest 10: ______