Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 35 by rounding each number to the nearest 10: ______
- Estimate 27 − 24 by rounding each number to the nearest 10: ______
- Estimate 82 − 65 by rounding each number to the nearest 10: ______
- Estimate 84 + 28 by rounding each number to the nearest 10: ______
- Estimate 72 − 43 by rounding each number to the nearest 10: ______
- Estimate 39 − 64 by rounding each number to the nearest 10: ______
- Estimate 66 − 39 by rounding each number to the nearest 10: ______
- Estimate 39 − 23 by rounding each number to the nearest 10: ______
- Estimate 31 + 51 by rounding each number to the nearest 10: ______
- Estimate 88 + 77 by rounding each number to the nearest 10: ______
- Estimate 45 − 87 by rounding each number to the nearest 10: ______
- Estimate 85 − 73 by rounding each number to the nearest 10: ______
- Estimate 60 + 45 by rounding each number to the nearest 10: ______
- Estimate 61 + 25 by rounding each number to the nearest 10: ______
- Estimate 38 + 69 by rounding each number to the nearest 10: ______
- Estimate 35 + 43 by rounding each number to the nearest 10: ______
- Estimate 81 − 36 by rounding each number to the nearest 10: ______
- Estimate 40 + 21 by rounding each number to the nearest 10: ______
- Estimate 49 − 88 by rounding each number to the nearest 10: ______
- Estimate 66 + 41 by rounding each number to the nearest 10: ______