Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 33 + 46 by rounding each number to the nearest 10: ______
- Estimate 83 − 61 by rounding each number to the nearest 10: ______
- Estimate 75 − 21 by rounding each number to the nearest 10: ______
- Estimate 32 + 24 by rounding each number to the nearest 10: ______
- Estimate 55 + 49 by rounding each number to the nearest 10: ______
- Estimate 81 + 56 by rounding each number to the nearest 10: ______
- Estimate 63 + 40 by rounding each number to the nearest 10: ______
- Estimate 54 + 44 by rounding each number to the nearest 10: ______
- Estimate 38 − 21 by rounding each number to the nearest 10: ______
- Estimate 89 − 45 by rounding each number to the nearest 10: ______
- Estimate 43 + 76 by rounding each number to the nearest 10: ______
- Estimate 44 + 49 by rounding each number to the nearest 10: ______
- Estimate 29 + 27 by rounding each number to the nearest 10: ______
- Estimate 83 − 41 by rounding each number to the nearest 10: ______
- Estimate 33 − 86 by rounding each number to the nearest 10: ______
- Estimate 39 − 46 by rounding each number to the nearest 10: ______
- Estimate 61 − 66 by rounding each number to the nearest 10: ______
- Estimate 31 + 85 by rounding each number to the nearest 10: ______
- Estimate 62 + 68 by rounding each number to the nearest 10: ______
- Estimate 54 + 77 by rounding each number to the nearest 10: ______