Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 − 86 by rounding each number to the nearest 10: ______
- Estimate 45 − 36 by rounding each number to the nearest 10: ______
- Estimate 40 + 70 by rounding each number to the nearest 10: ______
- Estimate 39 + 80 by rounding each number to the nearest 10: ______
- Estimate 89 − 51 by rounding each number to the nearest 10: ______
- Estimate 83 + 72 by rounding each number to the nearest 10: ______
- Estimate 64 − 25 by rounding each number to the nearest 10: ______
- Estimate 82 − 37 by rounding each number to the nearest 10: ______
- Estimate 24 + 32 by rounding each number to the nearest 10: ______
- Estimate 48 + 62 by rounding each number to the nearest 10: ______
- Estimate 71 + 22 by rounding each number to the nearest 10: ______
- Estimate 84 − 22 by rounding each number to the nearest 10: ______
- Estimate 57 + 81 by rounding each number to the nearest 10: ______
- Estimate 37 − 32 by rounding each number to the nearest 10: ______
- Estimate 72 + 55 by rounding each number to the nearest 10: ______
- Estimate 86 + 23 by rounding each number to the nearest 10: ______
- Estimate 71 − 58 by rounding each number to the nearest 10: ______
- Estimate 83 + 80 by rounding each number to the nearest 10: ______
- Estimate 87 + 49 by rounding each number to the nearest 10: ______
- Estimate 45 − 52 by rounding each number to the nearest 10: ______