Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 39 by rounding each number to the nearest 10: ______
- Estimate 60 − 45 by rounding each number to the nearest 10: ______
- Estimate 64 + 51 by rounding each number to the nearest 10: ______
- Estimate 48 − 85 by rounding each number to the nearest 10: ______
- Estimate 48 − 45 by rounding each number to the nearest 10: ______
- Estimate 52 − 33 by rounding each number to the nearest 10: ______
- Estimate 49 + 23 by rounding each number to the nearest 10: ______
- Estimate 63 − 24 by rounding each number to the nearest 10: ______
- Estimate 36 − 70 by rounding each number to the nearest 10: ______
- Estimate 69 + 54 by rounding each number to the nearest 10: ______
- Estimate 47 − 27 by rounding each number to the nearest 10: ______
- Estimate 33 − 78 by rounding each number to the nearest 10: ______
- Estimate 54 − 81 by rounding each number to the nearest 10: ______
- Estimate 64 + 75 by rounding each number to the nearest 10: ______
- Estimate 52 − 74 by rounding each number to the nearest 10: ______
- Estimate 32 − 75 by rounding each number to the nearest 10: ______
- Estimate 43 + 68 by rounding each number to the nearest 10: ______
- Estimate 38 − 72 by rounding each number to the nearest 10: ______
- Estimate 25 + 83 by rounding each number to the nearest 10: ______
- Estimate 89 + 71 by rounding each number to the nearest 10: ______