Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 32 by rounding each number to the nearest 10: ______
- Estimate 70 + 25 by rounding each number to the nearest 10: ______
- Estimate 27 − 77 by rounding each number to the nearest 10: ______
- Estimate 50 − 48 by rounding each number to the nearest 10: ______
- Estimate 67 − 72 by rounding each number to the nearest 10: ______
- Estimate 71 − 27 by rounding each number to the nearest 10: ______
- Estimate 71 − 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 44 by rounding each number to the nearest 10: ______
- Estimate 25 − 46 by rounding each number to the nearest 10: ______
- Estimate 66 + 83 by rounding each number to the nearest 10: ______
- Estimate 31 + 29 by rounding each number to the nearest 10: ______
- Estimate 65 + 85 by rounding each number to the nearest 10: ______
- Estimate 60 − 86 by rounding each number to the nearest 10: ______
- Estimate 30 + 59 by rounding each number to the nearest 10: ______
- Estimate 43 − 71 by rounding each number to the nearest 10: ______
- Estimate 55 − 27 by rounding each number to the nearest 10: ______
- Estimate 34 + 64 by rounding each number to the nearest 10: ______
- Estimate 56 + 31 by rounding each number to the nearest 10: ______
- Estimate 29 − 80 by rounding each number to the nearest 10: ______
- Estimate 24 − 30 by rounding each number to the nearest 10: ______