Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 − 88 by rounding each number to the nearest 10: ______
- Estimate 83 + 79 by rounding each number to the nearest 10: ______
- Estimate 71 − 26 by rounding each number to the nearest 10: ______
- Estimate 81 − 39 by rounding each number to the nearest 10: ______
- Estimate 81 + 80 by rounding each number to the nearest 10: ______
- Estimate 33 + 39 by rounding each number to the nearest 10: ______
- Estimate 78 − 83 by rounding each number to the nearest 10: ______
- Estimate 35 − 64 by rounding each number to the nearest 10: ______
- Estimate 47 + 74 by rounding each number to the nearest 10: ______
- Estimate 68 + 49 by rounding each number to the nearest 10: ______
- Estimate 69 + 39 by rounding each number to the nearest 10: ______
- Estimate 74 − 48 by rounding each number to the nearest 10: ______
- Estimate 21 + 77 by rounding each number to the nearest 10: ______
- Estimate 25 − 26 by rounding each number to the nearest 10: ______
- Estimate 29 + 46 by rounding each number to the nearest 10: ______
- Estimate 35 − 42 by rounding each number to the nearest 10: ______
- Estimate 89 + 51 by rounding each number to the nearest 10: ______
- Estimate 67 + 48 by rounding each number to the nearest 10: ______
- Estimate 43 + 87 by rounding each number to the nearest 10: ______
- Estimate 47 + 36 by rounding each number to the nearest 10: ______