Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 − 63 by rounding each number to the nearest 10: ______
- Estimate 79 − 71 by rounding each number to the nearest 10: ______
- Estimate 46 + 47 by rounding each number to the nearest 10: ______
- Estimate 89 − 88 by rounding each number to the nearest 10: ______
- Estimate 44 + 78 by rounding each number to the nearest 10: ______
- Estimate 33 + 33 by rounding each number to the nearest 10: ______
- Estimate 42 − 39 by rounding each number to the nearest 10: ______
- Estimate 51 − 71 by rounding each number to the nearest 10: ______
- Estimate 39 + 76 by rounding each number to the nearest 10: ______
- Estimate 72 + 39 by rounding each number to the nearest 10: ______
- Estimate 30 + 72 by rounding each number to the nearest 10: ______
- Estimate 64 − 26 by rounding each number to the nearest 10: ______
- Estimate 69 − 58 by rounding each number to the nearest 10: ______
- Estimate 42 + 23 by rounding each number to the nearest 10: ______
- Estimate 24 − 66 by rounding each number to the nearest 10: ______
- Estimate 55 + 24 by rounding each number to the nearest 10: ______
- Estimate 52 − 38 by rounding each number to the nearest 10: ______
- Estimate 79 + 85 by rounding each number to the nearest 10: ______
- Estimate 82 + 49 by rounding each number to the nearest 10: ______
- Estimate 51 − 69 by rounding each number to the nearest 10: ______