Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 65 by rounding each number to the nearest 10: ______
- Estimate 76 − 47 by rounding each number to the nearest 10: ______
- Estimate 21 − 46 by rounding each number to the nearest 10: ______
- Estimate 59 + 67 by rounding each number to the nearest 10: ______
- Estimate 78 − 50 by rounding each number to the nearest 10: ______
- Estimate 25 − 62 by rounding each number to the nearest 10: ______
- Estimate 49 + 46 by rounding each number to the nearest 10: ______
- Estimate 63 − 35 by rounding each number to the nearest 10: ______
- Estimate 88 − 66 by rounding each number to the nearest 10: ______
- Estimate 35 + 62 by rounding each number to the nearest 10: ______
- Estimate 36 + 70 by rounding each number to the nearest 10: ______
- Estimate 44 + 40 by rounding each number to the nearest 10: ______
- Estimate 53 − 37 by rounding each number to the nearest 10: ______
- Estimate 38 + 47 by rounding each number to the nearest 10: ______
- Estimate 23 + 39 by rounding each number to the nearest 10: ______
- Estimate 67 − 65 by rounding each number to the nearest 10: ______
- Estimate 45 + 89 by rounding each number to the nearest 10: ______
- Estimate 50 + 51 by rounding each number to the nearest 10: ______
- Estimate 70 − 43 by rounding each number to the nearest 10: ______
- Estimate 63 − 33 by rounding each number to the nearest 10: ______