Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 72 by rounding each number to the nearest 10: ______
- Estimate 31 − 41 by rounding each number to the nearest 10: ______
- Estimate 33 − 48 by rounding each number to the nearest 10: ______
- Estimate 60 − 54 by rounding each number to the nearest 10: ______
- Estimate 24 + 43 by rounding each number to the nearest 10: ______
- Estimate 83 − 50 by rounding each number to the nearest 10: ______
- Estimate 83 − 57 by rounding each number to the nearest 10: ______
- Estimate 50 − 29 by rounding each number to the nearest 10: ______
- Estimate 67 + 67 by rounding each number to the nearest 10: ______
- Estimate 57 − 78 by rounding each number to the nearest 10: ______
- Estimate 80 − 46 by rounding each number to the nearest 10: ______
- Estimate 63 + 28 by rounding each number to the nearest 10: ______
- Estimate 39 + 36 by rounding each number to the nearest 10: ______
- Estimate 32 − 30 by rounding each number to the nearest 10: ______
- Estimate 50 − 52 by rounding each number to the nearest 10: ______
- Estimate 69 + 75 by rounding each number to the nearest 10: ______
- Estimate 51 − 27 by rounding each number to the nearest 10: ______
- Estimate 21 + 42 by rounding each number to the nearest 10: ______
- Estimate 26 + 78 by rounding each number to the nearest 10: ______
- Estimate 84 − 81 by rounding each number to the nearest 10: ______