Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 32 − 31 by rounding each number to the nearest 10: ______
- Estimate 81 − 75 by rounding each number to the nearest 10: ______
- Estimate 43 + 37 by rounding each number to the nearest 10: ______
- Estimate 44 − 88 by rounding each number to the nearest 10: ______
- Estimate 45 + 49 by rounding each number to the nearest 10: ______
- Estimate 44 + 55 by rounding each number to the nearest 10: ______
- Estimate 31 + 53 by rounding each number to the nearest 10: ______
- Estimate 83 + 75 by rounding each number to the nearest 10: ______
- Estimate 48 − 42 by rounding each number to the nearest 10: ______
- Estimate 22 − 39 by rounding each number to the nearest 10: ______
- Estimate 42 + 60 by rounding each number to the nearest 10: ______
- Estimate 37 + 84 by rounding each number to the nearest 10: ______
- Estimate 60 − 43 by rounding each number to the nearest 10: ______
- Estimate 27 + 74 by rounding each number to the nearest 10: ______
- Estimate 70 + 71 by rounding each number to the nearest 10: ______
- Estimate 53 − 28 by rounding each number to the nearest 10: ______
- Estimate 63 + 50 by rounding each number to the nearest 10: ______
- Estimate 51 − 78 by rounding each number to the nearest 10: ______
- Estimate 61 − 43 by rounding each number to the nearest 10: ______
- Estimate 36 + 25 by rounding each number to the nearest 10: ______