Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 + 59 by rounding each number to the nearest 10: ______
- Estimate 71 + 81 by rounding each number to the nearest 10: ______
- Estimate 25 − 37 by rounding each number to the nearest 10: ______
- Estimate 28 − 38 by rounding each number to the nearest 10: ______
- Estimate 86 − 53 by rounding each number to the nearest 10: ______
- Estimate 86 − 32 by rounding each number to the nearest 10: ______
- Estimate 66 − 88 by rounding each number to the nearest 10: ______
- Estimate 83 + 70 by rounding each number to the nearest 10: ______
- Estimate 58 + 42 by rounding each number to the nearest 10: ______
- Estimate 22 + 81 by rounding each number to the nearest 10: ______
- Estimate 72 − 23 by rounding each number to the nearest 10: ______
- Estimate 86 + 84 by rounding each number to the nearest 10: ______
- Estimate 53 − 65 by rounding each number to the nearest 10: ______
- Estimate 64 + 21 by rounding each number to the nearest 10: ______
- Estimate 47 + 68 by rounding each number to the nearest 10: ______
- Estimate 80 − 67 by rounding each number to the nearest 10: ______
- Estimate 35 + 89 by rounding each number to the nearest 10: ______
- Estimate 25 + 65 by rounding each number to the nearest 10: ______
- Estimate 45 + 67 by rounding each number to the nearest 10: ______
- Estimate 46 + 77 by rounding each number to the nearest 10: ______