Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 + 43 by rounding each number to the nearest 10: ______
- Estimate 76 + 36 by rounding each number to the nearest 10: ______
- Estimate 78 − 21 by rounding each number to the nearest 10: ______
- Estimate 29 + 72 by rounding each number to the nearest 10: ______
- Estimate 68 + 86 by rounding each number to the nearest 10: ______
- Estimate 84 − 28 by rounding each number to the nearest 10: ______
- Estimate 25 − 77 by rounding each number to the nearest 10: ______
- Estimate 30 − 40 by rounding each number to the nearest 10: ______
- Estimate 81 − 55 by rounding each number to the nearest 10: ______
- Estimate 65 − 21 by rounding each number to the nearest 10: ______
- Estimate 41 − 70 by rounding each number to the nearest 10: ______
- Estimate 44 − 44 by rounding each number to the nearest 10: ______
- Estimate 28 + 29 by rounding each number to the nearest 10: ______
- Estimate 28 − 64 by rounding each number to the nearest 10: ______
- Estimate 47 − 67 by rounding each number to the nearest 10: ______
- Estimate 83 + 28 by rounding each number to the nearest 10: ______
- Estimate 72 + 81 by rounding each number to the nearest 10: ______
- Estimate 53 − 73 by rounding each number to the nearest 10: ______
- Estimate 66 + 27 by rounding each number to the nearest 10: ______
- Estimate 22 + 84 by rounding each number to the nearest 10: ______