Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 71 by rounding each number to the nearest 10: ______
- Estimate 46 + 32 by rounding each number to the nearest 10: ______
- Estimate 77 + 75 by rounding each number to the nearest 10: ______
- Estimate 36 − 39 by rounding each number to the nearest 10: ______
- Estimate 44 − 69 by rounding each number to the nearest 10: ______
- Estimate 26 − 84 by rounding each number to the nearest 10: ______
- Estimate 53 − 56 by rounding each number to the nearest 10: ______
- Estimate 62 + 72 by rounding each number to the nearest 10: ______
- Estimate 67 + 85 by rounding each number to the nearest 10: ______
- Estimate 35 − 27 by rounding each number to the nearest 10: ______
- Estimate 29 + 71 by rounding each number to the nearest 10: ______
- Estimate 24 − 25 by rounding each number to the nearest 10: ______
- Estimate 30 − 36 by rounding each number to the nearest 10: ______
- Estimate 40 − 64 by rounding each number to the nearest 10: ______
- Estimate 86 − 58 by rounding each number to the nearest 10: ______
- Estimate 51 + 28 by rounding each number to the nearest 10: ______
- Estimate 78 + 70 by rounding each number to the nearest 10: ______
- Estimate 53 + 72 by rounding each number to the nearest 10: ______
- Estimate 80 − 67 by rounding each number to the nearest 10: ______
- Estimate 25 − 30 by rounding each number to the nearest 10: ______