Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 69 by rounding each number to the nearest 10: ______
- Estimate 88 + 23 by rounding each number to the nearest 10: ______
- Estimate 70 + 52 by rounding each number to the nearest 10: ______
- Estimate 87 + 44 by rounding each number to the nearest 10: ______
- Estimate 68 − 21 by rounding each number to the nearest 10: ______
- Estimate 63 + 52 by rounding each number to the nearest 10: ______
- Estimate 70 − 78 by rounding each number to the nearest 10: ______
- Estimate 28 − 82 by rounding each number to the nearest 10: ______
- Estimate 68 + 32 by rounding each number to the nearest 10: ______
- Estimate 81 + 36 by rounding each number to the nearest 10: ______
- Estimate 30 + 23 by rounding each number to the nearest 10: ______
- Estimate 70 − 81 by rounding each number to the nearest 10: ______
- Estimate 35 − 23 by rounding each number to the nearest 10: ______
- Estimate 87 − 89 by rounding each number to the nearest 10: ______
- Estimate 55 − 61 by rounding each number to the nearest 10: ______
- Estimate 37 − 78 by rounding each number to the nearest 10: ______
- Estimate 65 + 41 by rounding each number to the nearest 10: ______
- Estimate 44 − 22 by rounding each number to the nearest 10: ______
- Estimate 38 − 25 by rounding each number to the nearest 10: ______
- Estimate 87 − 77 by rounding each number to the nearest 10: ______