Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 − 36 by rounding each number to the nearest 10: ______
- Estimate 52 + 26 by rounding each number to the nearest 10: ______
- Estimate 52 + 22 by rounding each number to the nearest 10: ______
- Estimate 68 − 49 by rounding each number to the nearest 10: ______
- Estimate 88 − 72 by rounding each number to the nearest 10: ______
- Estimate 51 + 59 by rounding each number to the nearest 10: ______
- Estimate 63 + 63 by rounding each number to the nearest 10: ______
- Estimate 85 − 45 by rounding each number to the nearest 10: ______
- Estimate 56 − 67 by rounding each number to the nearest 10: ______
- Estimate 60 − 32 by rounding each number to the nearest 10: ______
- Estimate 38 + 78 by rounding each number to the nearest 10: ______
- Estimate 85 − 31 by rounding each number to the nearest 10: ______
- Estimate 63 + 63 by rounding each number to the nearest 10: ______
- Estimate 36 + 24 by rounding each number to the nearest 10: ______
- Estimate 29 + 32 by rounding each number to the nearest 10: ______
- Estimate 38 + 64 by rounding each number to the nearest 10: ______
- Estimate 47 − 81 by rounding each number to the nearest 10: ______
- Estimate 71 + 73 by rounding each number to the nearest 10: ______
- Estimate 31 − 85 by rounding each number to the nearest 10: ______
- Estimate 25 − 78 by rounding each number to the nearest 10: ______