Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 − 65 by rounding each number to the nearest 10: ______
- Estimate 28 − 89 by rounding each number to the nearest 10: ______
- Estimate 39 − 43 by rounding each number to the nearest 10: ______
- Estimate 58 − 71 by rounding each number to the nearest 10: ______
- Estimate 45 − 42 by rounding each number to the nearest 10: ______
- Estimate 87 − 21 by rounding each number to the nearest 10: ______
- Estimate 83 + 76 by rounding each number to the nearest 10: ______
- Estimate 35 + 28 by rounding each number to the nearest 10: ______
- Estimate 87 + 35 by rounding each number to the nearest 10: ______
- Estimate 56 − 22 by rounding each number to the nearest 10: ______
- Estimate 58 − 30 by rounding each number to the nearest 10: ______
- Estimate 71 + 37 by rounding each number to the nearest 10: ______
- Estimate 75 − 80 by rounding each number to the nearest 10: ______
- Estimate 23 − 50 by rounding each number to the nearest 10: ______
- Estimate 43 + 49 by rounding each number to the nearest 10: ______
- Estimate 26 + 44 by rounding each number to the nearest 10: ______
- Estimate 76 + 78 by rounding each number to the nearest 10: ______
- Estimate 43 − 73 by rounding each number to the nearest 10: ______
- Estimate 39 + 42 by rounding each number to the nearest 10: ______
- Estimate 32 − 75 by rounding each number to the nearest 10: ______