Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 − 83 by rounding each number to the nearest 10: ______
- Estimate 60 − 83 by rounding each number to the nearest 10: ______
- Estimate 54 + 45 by rounding each number to the nearest 10: ______
- Estimate 58 − 67 by rounding each number to the nearest 10: ______
- Estimate 75 + 86 by rounding each number to the nearest 10: ______
- Estimate 67 − 81 by rounding each number to the nearest 10: ______
- Estimate 70 + 21 by rounding each number to the nearest 10: ______
- Estimate 65 − 39 by rounding each number to the nearest 10: ______
- Estimate 84 − 26 by rounding each number to the nearest 10: ______
- Estimate 72 + 31 by rounding each number to the nearest 10: ______
- Estimate 45 + 85 by rounding each number to the nearest 10: ______
- Estimate 48 + 29 by rounding each number to the nearest 10: ______
- Estimate 44 − 40 by rounding each number to the nearest 10: ______
- Estimate 85 − 40 by rounding each number to the nearest 10: ______
- Estimate 65 + 34 by rounding each number to the nearest 10: ______
- Estimate 22 + 36 by rounding each number to the nearest 10: ______
- Estimate 60 + 76 by rounding each number to the nearest 10: ______
- Estimate 57 − 55 by rounding each number to the nearest 10: ______
- Estimate 21 + 73 by rounding each number to the nearest 10: ______
- Estimate 63 − 87 by rounding each number to the nearest 10: ______