Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 − 21 by rounding each number to the nearest 10: ______
- Estimate 40 + 49 by rounding each number to the nearest 10: ______
- Estimate 54 + 48 by rounding each number to the nearest 10: ______
- Estimate 57 − 59 by rounding each number to the nearest 10: ______
- Estimate 87 − 64 by rounding each number to the nearest 10: ______
- Estimate 25 + 41 by rounding each number to the nearest 10: ______
- Estimate 45 − 38 by rounding each number to the nearest 10: ______
- Estimate 51 − 62 by rounding each number to the nearest 10: ______
- Estimate 36 + 37 by rounding each number to the nearest 10: ______
- Estimate 43 − 45 by rounding each number to the nearest 10: ______
- Estimate 82 + 31 by rounding each number to the nearest 10: ______
- Estimate 24 + 68 by rounding each number to the nearest 10: ______
- Estimate 60 − 57 by rounding each number to the nearest 10: ______
- Estimate 34 + 48 by rounding each number to the nearest 10: ______
- Estimate 44 + 46 by rounding each number to the nearest 10: ______
- Estimate 58 + 76 by rounding each number to the nearest 10: ______
- Estimate 66 + 64 by rounding each number to the nearest 10: ______
- Estimate 75 + 42 by rounding each number to the nearest 10: ______
- Estimate 22 + 43 by rounding each number to the nearest 10: ______
- Estimate 85 + 71 by rounding each number to the nearest 10: ______