Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 25 by rounding each number to the nearest 10: ______
- Estimate 76 + 85 by rounding each number to the nearest 10: ______
- Estimate 86 + 61 by rounding each number to the nearest 10: ______
- Estimate 42 − 28 by rounding each number to the nearest 10: ______
- Estimate 22 + 73 by rounding each number to the nearest 10: ______
- Estimate 37 − 47 by rounding each number to the nearest 10: ______
- Estimate 77 + 61 by rounding each number to the nearest 10: ______
- Estimate 58 − 84 by rounding each number to the nearest 10: ______
- Estimate 42 − 86 by rounding each number to the nearest 10: ______
- Estimate 43 + 59 by rounding each number to the nearest 10: ______
- Estimate 70 − 43 by rounding each number to the nearest 10: ______
- Estimate 49 − 42 by rounding each number to the nearest 10: ______
- Estimate 26 − 80 by rounding each number to the nearest 10: ______
- Estimate 85 − 26 by rounding each number to the nearest 10: ______
- Estimate 68 − 46 by rounding each number to the nearest 10: ______
- Estimate 70 − 32 by rounding each number to the nearest 10: ______
- Estimate 75 − 48 by rounding each number to the nearest 10: ______
- Estimate 83 + 49 by rounding each number to the nearest 10: ______
- Estimate 52 + 63 by rounding each number to the nearest 10: ______
- Estimate 45 + 42 by rounding each number to the nearest 10: ______