Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 37 + 58 by rounding each number to the nearest 10: ______
- Estimate 63 − 46 by rounding each number to the nearest 10: ______
- Estimate 43 − 73 by rounding each number to the nearest 10: ______
- Estimate 51 + 35 by rounding each number to the nearest 10: ______
- Estimate 70 − 57 by rounding each number to the nearest 10: ______
- Estimate 21 − 24 by rounding each number to the nearest 10: ______
- Estimate 81 + 68 by rounding each number to the nearest 10: ______
- Estimate 30 − 29 by rounding each number to the nearest 10: ______
- Estimate 71 + 35 by rounding each number to the nearest 10: ______
- Estimate 85 − 76 by rounding each number to the nearest 10: ______
- Estimate 33 + 63 by rounding each number to the nearest 10: ______
- Estimate 85 − 83 by rounding each number to the nearest 10: ______
- Estimate 31 + 32 by rounding each number to the nearest 10: ______
- Estimate 81 + 35 by rounding each number to the nearest 10: ______
- Estimate 89 − 41 by rounding each number to the nearest 10: ______
- Estimate 24 − 38 by rounding each number to the nearest 10: ______
- Estimate 23 − 43 by rounding each number to the nearest 10: ______
- Estimate 30 + 86 by rounding each number to the nearest 10: ______
- Estimate 82 + 79 by rounding each number to the nearest 10: ______
- Estimate 46 − 66 by rounding each number to the nearest 10: ______