Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 80 by rounding each number to the nearest 10: ______
- Estimate 74 − 65 by rounding each number to the nearest 10: ______
- Estimate 43 − 66 by rounding each number to the nearest 10: ______
- Estimate 34 + 22 by rounding each number to the nearest 10: ______
- Estimate 61 − 87 by rounding each number to the nearest 10: ______
- Estimate 64 − 62 by rounding each number to the nearest 10: ______
- Estimate 87 + 36 by rounding each number to the nearest 10: ______
- Estimate 46 − 41 by rounding each number to the nearest 10: ______
- Estimate 74 + 76 by rounding each number to the nearest 10: ______
- Estimate 43 − 30 by rounding each number to the nearest 10: ______
- Estimate 28 − 49 by rounding each number to the nearest 10: ______
- Estimate 80 + 49 by rounding each number to the nearest 10: ______
- Estimate 56 + 36 by rounding each number to the nearest 10: ______
- Estimate 80 − 65 by rounding each number to the nearest 10: ______
- Estimate 83 − 27 by rounding each number to the nearest 10: ______
- Estimate 40 + 56 by rounding each number to the nearest 10: ______
- Estimate 45 − 42 by rounding each number to the nearest 10: ______
- Estimate 29 − 23 by rounding each number to the nearest 10: ______
- Estimate 54 + 39 by rounding each number to the nearest 10: ______
- Estimate 62 − 31 by rounding each number to the nearest 10: ______