Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 − 26 by rounding each number to the nearest 10: ______
- Estimate 77 − 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 29 by rounding each number to the nearest 10: ______
- Estimate 80 + 40 by rounding each number to the nearest 10: ______
- Estimate 38 − 69 by rounding each number to the nearest 10: ______
- Estimate 38 + 78 by rounding each number to the nearest 10: ______
- Estimate 39 − 52 by rounding each number to the nearest 10: ______
- Estimate 29 + 30 by rounding each number to the nearest 10: ______
- Estimate 56 − 83 by rounding each number to the nearest 10: ______
- Estimate 32 + 75 by rounding each number to the nearest 10: ______
- Estimate 50 + 60 by rounding each number to the nearest 10: ______
- Estimate 48 − 68 by rounding each number to the nearest 10: ______
- Estimate 80 + 84 by rounding each number to the nearest 10: ______
- Estimate 76 − 21 by rounding each number to the nearest 10: ______
- Estimate 66 + 85 by rounding each number to the nearest 10: ______
- Estimate 83 + 57 by rounding each number to the nearest 10: ______
- Estimate 48 − 69 by rounding each number to the nearest 10: ______
- Estimate 81 − 24 by rounding each number to the nearest 10: ______
- Estimate 79 − 59 by rounding each number to the nearest 10: ______
- Estimate 25 + 68 by rounding each number to the nearest 10: ______