Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 29 by rounding each number to the nearest 10: ______
- Estimate 33 + 30 by rounding each number to the nearest 10: ______
- Estimate 54 + 47 by rounding each number to the nearest 10: ______
- Estimate 31 − 25 by rounding each number to the nearest 10: ______
- Estimate 38 + 62 by rounding each number to the nearest 10: ______
- Estimate 68 − 54 by rounding each number to the nearest 10: ______
- Estimate 55 + 41 by rounding each number to the nearest 10: ______
- Estimate 54 − 63 by rounding each number to the nearest 10: ______
- Estimate 82 + 79 by rounding each number to the nearest 10: ______
- Estimate 53 + 50 by rounding each number to the nearest 10: ______
- Estimate 24 + 68 by rounding each number to the nearest 10: ______
- Estimate 27 + 83 by rounding each number to the nearest 10: ______
- Estimate 67 + 85 by rounding each number to the nearest 10: ______
- Estimate 84 − 54 by rounding each number to the nearest 10: ______
- Estimate 61 − 52 by rounding each number to the nearest 10: ______
- Estimate 79 − 32 by rounding each number to the nearest 10: ______
- Estimate 84 − 76 by rounding each number to the nearest 10: ______
- Estimate 46 − 67 by rounding each number to the nearest 10: ______
- Estimate 30 + 86 by rounding each number to the nearest 10: ______
- Estimate 35 − 34 by rounding each number to the nearest 10: ______