Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 − 89 by rounding each number to the nearest 10: ______
- Estimate 54 + 52 by rounding each number to the nearest 10: ______
- Estimate 58 + 69 by rounding each number to the nearest 10: ______
- Estimate 82 − 64 by rounding each number to the nearest 10: ______
- Estimate 35 + 71 by rounding each number to the nearest 10: ______
- Estimate 55 + 44 by rounding each number to the nearest 10: ______
- Estimate 40 + 69 by rounding each number to the nearest 10: ______
- Estimate 89 − 23 by rounding each number to the nearest 10: ______
- Estimate 21 − 75 by rounding each number to the nearest 10: ______
- Estimate 43 − 70 by rounding each number to the nearest 10: ______
- Estimate 40 − 22 by rounding each number to the nearest 10: ______
- Estimate 82 + 73 by rounding each number to the nearest 10: ______
- Estimate 27 + 47 by rounding each number to the nearest 10: ______
- Estimate 83 + 63 by rounding each number to the nearest 10: ______
- Estimate 75 + 71 by rounding each number to the nearest 10: ______
- Estimate 73 − 45 by rounding each number to the nearest 10: ______
- Estimate 76 − 69 by rounding each number to the nearest 10: ______
- Estimate 31 + 31 by rounding each number to the nearest 10: ______
- Estimate 25 − 60 by rounding each number to the nearest 10: ______
- Estimate 80 − 76 by rounding each number to the nearest 10: ______