Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 63 by rounding each number to the nearest 10: ______
- Estimate 72 + 37 by rounding each number to the nearest 10: ______
- Estimate 63 + 73 by rounding each number to the nearest 10: ______
- Estimate 24 − 46 by rounding each number to the nearest 10: ______
- Estimate 46 − 74 by rounding each number to the nearest 10: ______
- Estimate 54 − 40 by rounding each number to the nearest 10: ______
- Estimate 85 − 79 by rounding each number to the nearest 10: ______
- Estimate 39 − 89 by rounding each number to the nearest 10: ______
- Estimate 44 − 74 by rounding each number to the nearest 10: ______
- Estimate 75 − 39 by rounding each number to the nearest 10: ______
- Estimate 75 + 28 by rounding each number to the nearest 10: ______
- Estimate 48 + 61 by rounding each number to the nearest 10: ______
- Estimate 45 − 41 by rounding each number to the nearest 10: ______
- Estimate 27 − 89 by rounding each number to the nearest 10: ______
- Estimate 29 + 84 by rounding each number to the nearest 10: ______
- Estimate 42 − 45 by rounding each number to the nearest 10: ______
- Estimate 57 − 30 by rounding each number to the nearest 10: ______
- Estimate 78 − 38 by rounding each number to the nearest 10: ______
- Estimate 22 + 33 by rounding each number to the nearest 10: ______
- Estimate 76 − 53 by rounding each number to the nearest 10: ______