Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 − 27 by rounding each number to the nearest 10: ______
- Estimate 21 − 36 by rounding each number to the nearest 10: ______
- Estimate 27 + 31 by rounding each number to the nearest 10: ______
- Estimate 54 − 68 by rounding each number to the nearest 10: ______
- Estimate 70 + 44 by rounding each number to the nearest 10: ______
- Estimate 56 + 58 by rounding each number to the nearest 10: ______
- Estimate 51 − 88 by rounding each number to the nearest 10: ______
- Estimate 49 + 47 by rounding each number to the nearest 10: ______
- Estimate 83 + 66 by rounding each number to the nearest 10: ______
- Estimate 80 − 40 by rounding each number to the nearest 10: ______
- Estimate 32 − 66 by rounding each number to the nearest 10: ______
- Estimate 83 + 49 by rounding each number to the nearest 10: ______
- Estimate 68 + 81 by rounding each number to the nearest 10: ______
- Estimate 48 + 71 by rounding each number to the nearest 10: ______
- Estimate 88 − 84 by rounding each number to the nearest 10: ______
- Estimate 48 − 40 by rounding each number to the nearest 10: ______
- Estimate 22 − 34 by rounding each number to the nearest 10: ______
- Estimate 84 + 56 by rounding each number to the nearest 10: ______
- Estimate 50 + 75 by rounding each number to the nearest 10: ______
- Estimate 70 − 47 by rounding each number to the nearest 10: ______