Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 89 by rounding each number to the nearest 10: ______
- Estimate 76 − 43 by rounding each number to the nearest 10: ______
- Estimate 72 + 43 by rounding each number to the nearest 10: ______
- Estimate 46 − 40 by rounding each number to the nearest 10: ______
- Estimate 56 + 86 by rounding each number to the nearest 10: ______
- Estimate 46 − 66 by rounding each number to the nearest 10: ______
- Estimate 27 − 66 by rounding each number to the nearest 10: ______
- Estimate 37 + 72 by rounding each number to the nearest 10: ______
- Estimate 56 + 61 by rounding each number to the nearest 10: ______
- Estimate 50 + 78 by rounding each number to the nearest 10: ______
- Estimate 41 + 21 by rounding each number to the nearest 10: ______
- Estimate 26 − 58 by rounding each number to the nearest 10: ______
- Estimate 69 − 84 by rounding each number to the nearest 10: ______
- Estimate 77 + 35 by rounding each number to the nearest 10: ______
- Estimate 52 − 55 by rounding each number to the nearest 10: ______
- Estimate 33 + 26 by rounding each number to the nearest 10: ______
- Estimate 70 + 26 by rounding each number to the nearest 10: ______
- Estimate 83 + 74 by rounding each number to the nearest 10: ______
- Estimate 55 + 40 by rounding each number to the nearest 10: ______
- Estimate 76 − 21 by rounding each number to the nearest 10: ______