Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 57 by rounding each number to the nearest 10: ______
- Estimate 68 − 81 by rounding each number to the nearest 10: ______
- Estimate 58 − 75 by rounding each number to the nearest 10: ______
- Estimate 46 − 21 by rounding each number to the nearest 10: ______
- Estimate 23 − 89 by rounding each number to the nearest 10: ______
- Estimate 41 + 84 by rounding each number to the nearest 10: ______
- Estimate 56 + 75 by rounding each number to the nearest 10: ______
- Estimate 76 − 54 by rounding each number to the nearest 10: ______
- Estimate 54 − 23 by rounding each number to the nearest 10: ______
- Estimate 65 + 77 by rounding each number to the nearest 10: ______
- Estimate 86 + 71 by rounding each number to the nearest 10: ______
- Estimate 74 − 27 by rounding each number to the nearest 10: ______
- Estimate 89 + 73 by rounding each number to the nearest 10: ______
- Estimate 88 + 62 by rounding each number to the nearest 10: ______
- Estimate 70 + 28 by rounding each number to the nearest 10: ______
- Estimate 37 − 85 by rounding each number to the nearest 10: ______
- Estimate 73 + 21 by rounding each number to the nearest 10: ______
- Estimate 41 + 25 by rounding each number to the nearest 10: ______
- Estimate 44 + 53 by rounding each number to the nearest 10: ______
- Estimate 51 − 81 by rounding each number to the nearest 10: ______