Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 + 66 by rounding each number to the nearest 10: ______
- Estimate 73 − 61 by rounding each number to the nearest 10: ______
- Estimate 30 + 27 by rounding each number to the nearest 10: ______
- Estimate 34 + 86 by rounding each number to the nearest 10: ______
- Estimate 68 + 53 by rounding each number to the nearest 10: ______
- Estimate 37 + 81 by rounding each number to the nearest 10: ______
- Estimate 80 − 40 by rounding each number to the nearest 10: ______
- Estimate 60 − 21 by rounding each number to the nearest 10: ______
- Estimate 61 + 83 by rounding each number to the nearest 10: ______
- Estimate 33 − 73 by rounding each number to the nearest 10: ______
- Estimate 71 − 25 by rounding each number to the nearest 10: ______
- Estimate 81 + 47 by rounding each number to the nearest 10: ______
- Estimate 80 − 37 by rounding each number to the nearest 10: ______
- Estimate 45 + 75 by rounding each number to the nearest 10: ______
- Estimate 69 + 28 by rounding each number to the nearest 10: ______
- Estimate 84 − 43 by rounding each number to the nearest 10: ______
- Estimate 30 − 76 by rounding each number to the nearest 10: ______
- Estimate 43 − 72 by rounding each number to the nearest 10: ______
- Estimate 36 − 53 by rounding each number to the nearest 10: ______
- Estimate 89 + 43 by rounding each number to the nearest 10: ______