Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 40 by rounding each number to the nearest 10: ______
- Estimate 42 + 75 by rounding each number to the nearest 10: ______
- Estimate 49 − 89 by rounding each number to the nearest 10: ______
- Estimate 75 + 51 by rounding each number to the nearest 10: ______
- Estimate 58 + 45 by rounding each number to the nearest 10: ______
- Estimate 28 + 89 by rounding each number to the nearest 10: ______
- Estimate 67 + 81 by rounding each number to the nearest 10: ______
- Estimate 60 + 80 by rounding each number to the nearest 10: ______
- Estimate 58 − 26 by rounding each number to the nearest 10: ______
- Estimate 74 + 85 by rounding each number to the nearest 10: ______
- Estimate 71 + 33 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______
- Estimate 42 − 42 by rounding each number to the nearest 10: ______
- Estimate 37 + 46 by rounding each number to the nearest 10: ______
- Estimate 32 − 89 by rounding each number to the nearest 10: ______
- Estimate 83 + 35 by rounding each number to the nearest 10: ______
- Estimate 65 − 60 by rounding each number to the nearest 10: ______
- Estimate 28 + 52 by rounding each number to the nearest 10: ______
- Estimate 39 + 71 by rounding each number to the nearest 10: ______
- Estimate 67 − 63 by rounding each number to the nearest 10: ______