Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 46 − 65 by rounding each number to the nearest 10: ______
- Estimate 48 − 25 by rounding each number to the nearest 10: ______
- Estimate 76 − 64 by rounding each number to the nearest 10: ______
- Estimate 63 + 31 by rounding each number to the nearest 10: ______
- Estimate 70 − 23 by rounding each number to the nearest 10: ______
- Estimate 59 + 73 by rounding each number to the nearest 10: ______
- Estimate 75 + 81 by rounding each number to the nearest 10: ______
- Estimate 21 − 78 by rounding each number to the nearest 10: ______
- Estimate 64 − 61 by rounding each number to the nearest 10: ______
- Estimate 24 − 62 by rounding each number to the nearest 10: ______
- Estimate 74 − 74 by rounding each number to the nearest 10: ______
- Estimate 60 − 38 by rounding each number to the nearest 10: ______
- Estimate 51 − 73 by rounding each number to the nearest 10: ______
- Estimate 30 + 84 by rounding each number to the nearest 10: ______
- Estimate 86 + 30 by rounding each number to the nearest 10: ______
- Estimate 88 + 31 by rounding each number to the nearest 10: ______
- Estimate 72 + 89 by rounding each number to the nearest 10: ______
- Estimate 77 − 35 by rounding each number to the nearest 10: ______
- Estimate 38 − 55 by rounding each number to the nearest 10: ______
- Estimate 21 + 49 by rounding each number to the nearest 10: ______