Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 + 71 by rounding each number to the nearest 10: ______
- Estimate 76 − 79 by rounding each number to the nearest 10: ______
- Estimate 31 − 65 by rounding each number to the nearest 10: ______
- Estimate 52 + 86 by rounding each number to the nearest 10: ______
- Estimate 67 + 26 by rounding each number to the nearest 10: ______
- Estimate 26 − 60 by rounding each number to the nearest 10: ______
- Estimate 56 + 70 by rounding each number to the nearest 10: ______
- Estimate 23 + 63 by rounding each number to the nearest 10: ______
- Estimate 45 + 78 by rounding each number to the nearest 10: ______
- Estimate 61 − 51 by rounding each number to the nearest 10: ______
- Estimate 31 + 69 by rounding each number to the nearest 10: ______
- Estimate 57 − 39 by rounding each number to the nearest 10: ______
- Estimate 48 + 53 by rounding each number to the nearest 10: ______
- Estimate 76 − 49 by rounding each number to the nearest 10: ______
- Estimate 35 + 58 by rounding each number to the nearest 10: ______
- Estimate 29 − 80 by rounding each number to the nearest 10: ______
- Estimate 58 − 40 by rounding each number to the nearest 10: ______
- Estimate 28 + 60 by rounding each number to the nearest 10: ______
- Estimate 48 + 46 by rounding each number to the nearest 10: ______
- Estimate 42 − 57 by rounding each number to the nearest 10: ______