Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 87 by rounding each number to the nearest 10: ______
- Estimate 42 − 89 by rounding each number to the nearest 10: ______
- Estimate 41 − 81 by rounding each number to the nearest 10: ______
- Estimate 85 + 65 by rounding each number to the nearest 10: ______
- Estimate 66 − 58 by rounding each number to the nearest 10: ______
- Estimate 28 − 47 by rounding each number to the nearest 10: ______
- Estimate 74 − 88 by rounding each number to the nearest 10: ______
- Estimate 83 + 37 by rounding each number to the nearest 10: ______
- Estimate 69 − 22 by rounding each number to the nearest 10: ______
- Estimate 88 + 88 by rounding each number to the nearest 10: ______
- Estimate 34 + 66 by rounding each number to the nearest 10: ______
- Estimate 76 + 41 by rounding each number to the nearest 10: ______
- Estimate 21 − 66 by rounding each number to the nearest 10: ______
- Estimate 48 − 87 by rounding each number to the nearest 10: ______
- Estimate 70 − 81 by rounding each number to the nearest 10: ______
- Estimate 88 − 66 by rounding each number to the nearest 10: ______
- Estimate 64 + 35 by rounding each number to the nearest 10: ______
- Estimate 25 + 51 by rounding each number to the nearest 10: ______
- Estimate 30 − 85 by rounding each number to the nearest 10: ______
- Estimate 66 − 87 by rounding each number to the nearest 10: ______