Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 − 75 by rounding each number to the nearest 10: ______
- Estimate 25 + 85 by rounding each number to the nearest 10: ______
- Estimate 21 + 38 by rounding each number to the nearest 10: ______
- Estimate 21 + 48 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______
- Estimate 30 + 32 by rounding each number to the nearest 10: ______
- Estimate 22 − 49 by rounding each number to the nearest 10: ______
- Estimate 43 − 33 by rounding each number to the nearest 10: ______
- Estimate 29 − 35 by rounding each number to the nearest 10: ______
- Estimate 88 + 83 by rounding each number to the nearest 10: ______
- Estimate 79 − 70 by rounding each number to the nearest 10: ______
- Estimate 50 − 54 by rounding each number to the nearest 10: ______
- Estimate 36 + 24 by rounding each number to the nearest 10: ______
- Estimate 38 + 80 by rounding each number to the nearest 10: ______
- Estimate 43 + 61 by rounding each number to the nearest 10: ______
- Estimate 68 − 55 by rounding each number to the nearest 10: ______
- Estimate 24 + 32 by rounding each number to the nearest 10: ______
- Estimate 65 − 81 by rounding each number to the nearest 10: ______
- Estimate 85 − 33 by rounding each number to the nearest 10: ______
- Estimate 55 + 27 by rounding each number to the nearest 10: ______