Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 + 40 by rounding each number to the nearest 10: ______
- Estimate 89 + 44 by rounding each number to the nearest 10: ______
- Estimate 44 − 48 by rounding each number to the nearest 10: ______
- Estimate 61 − 80 by rounding each number to the nearest 10: ______
- Estimate 36 + 27 by rounding each number to the nearest 10: ______
- Estimate 46 + 42 by rounding each number to the nearest 10: ______
- Estimate 57 − 22 by rounding each number to the nearest 10: ______
- Estimate 80 − 74 by rounding each number to the nearest 10: ______
- Estimate 59 − 70 by rounding each number to the nearest 10: ______
- Estimate 40 − 75 by rounding each number to the nearest 10: ______
- Estimate 45 − 22 by rounding each number to the nearest 10: ______
- Estimate 29 − 86 by rounding each number to the nearest 10: ______
- Estimate 45 + 31 by rounding each number to the nearest 10: ______
- Estimate 44 − 57 by rounding each number to the nearest 10: ______
- Estimate 58 + 54 by rounding each number to the nearest 10: ______
- Estimate 82 − 85 by rounding each number to the nearest 10: ______
- Estimate 31 + 75 by rounding each number to the nearest 10: ______
- Estimate 39 + 62 by rounding each number to the nearest 10: ______
- Estimate 74 − 53 by rounding each number to the nearest 10: ______
- Estimate 38 − 80 by rounding each number to the nearest 10: ______