Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 31 by rounding each number to the nearest 10: ______
- Estimate 36 + 75 by rounding each number to the nearest 10: ______
- Estimate 69 + 42 by rounding each number to the nearest 10: ______
- Estimate 79 − 23 by rounding each number to the nearest 10: ______
- Estimate 23 + 76 by rounding each number to the nearest 10: ______
- Estimate 81 − 52 by rounding each number to the nearest 10: ______
- Estimate 74 + 72 by rounding each number to the nearest 10: ______
- Estimate 81 − 55 by rounding each number to the nearest 10: ______
- Estimate 75 + 39 by rounding each number to the nearest 10: ______
- Estimate 28 + 77 by rounding each number to the nearest 10: ______
- Estimate 81 + 45 by rounding each number to the nearest 10: ______
- Estimate 35 + 49 by rounding each number to the nearest 10: ______
- Estimate 74 + 64 by rounding each number to the nearest 10: ______
- Estimate 51 − 64 by rounding each number to the nearest 10: ______
- Estimate 33 − 76 by rounding each number to the nearest 10: ______
- Estimate 49 + 76 by rounding each number to the nearest 10: ______
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 78 − 89 by rounding each number to the nearest 10: ______
- Estimate 59 − 80 by rounding each number to the nearest 10: ______
- Estimate 76 + 43 by rounding each number to the nearest 10: ______