Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 46 + 81 by rounding each number to the nearest 10: ______
- Estimate 81 + 34 by rounding each number to the nearest 10: ______
- Estimate 64 + 25 by rounding each number to the nearest 10: ______
- Estimate 62 + 58 by rounding each number to the nearest 10: ______
- Estimate 77 − 46 by rounding each number to the nearest 10: ______
- Estimate 47 − 69 by rounding each number to the nearest 10: ______
- Estimate 82 − 21 by rounding each number to the nearest 10: ______
- Estimate 60 + 49 by rounding each number to the nearest 10: ______
- Estimate 84 + 36 by rounding each number to the nearest 10: ______
- Estimate 83 + 89 by rounding each number to the nearest 10: ______
- Estimate 82 − 31 by rounding each number to the nearest 10: ______
- Estimate 40 + 39 by rounding each number to the nearest 10: ______
- Estimate 62 + 54 by rounding each number to the nearest 10: ______
- Estimate 72 − 68 by rounding each number to the nearest 10: ______
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 49 + 74 by rounding each number to the nearest 10: ______
- Estimate 89 + 65 by rounding each number to the nearest 10: ______
- Estimate 34 − 69 by rounding each number to the nearest 10: ______
- Estimate 48 + 52 by rounding each number to the nearest 10: ______
- Estimate 76 − 53 by rounding each number to the nearest 10: ______