Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 47 by rounding each number to the nearest 10: ______
- Estimate 80 − 65 by rounding each number to the nearest 10: ______
- Estimate 54 + 70 by rounding each number to the nearest 10: ______
- Estimate 88 − 40 by rounding each number to the nearest 10: ______
- Estimate 61 − 41 by rounding each number to the nearest 10: ______
- Estimate 73 + 89 by rounding each number to the nearest 10: ______
- Estimate 73 − 62 by rounding each number to the nearest 10: ______
- Estimate 44 − 29 by rounding each number to the nearest 10: ______
- Estimate 85 + 88 by rounding each number to the nearest 10: ______
- Estimate 81 + 46 by rounding each number to the nearest 10: ______
- Estimate 47 − 75 by rounding each number to the nearest 10: ______
- Estimate 86 + 34 by rounding each number to the nearest 10: ______
- Estimate 85 − 72 by rounding each number to the nearest 10: ______
- Estimate 89 + 86 by rounding each number to the nearest 10: ______
- Estimate 25 + 66 by rounding each number to the nearest 10: ______
- Estimate 55 − 78 by rounding each number to the nearest 10: ______
- Estimate 26 + 32 by rounding each number to the nearest 10: ______
- Estimate 73 − 43 by rounding each number to the nearest 10: ______
- Estimate 45 − 78 by rounding each number to the nearest 10: ______
- Estimate 74 + 88 by rounding each number to the nearest 10: ______