Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 + 81 by rounding each number to the nearest 10: ______
- Estimate 80 − 26 by rounding each number to the nearest 10: ______
- Estimate 28 − 69 by rounding each number to the nearest 10: ______
- Estimate 28 − 28 by rounding each number to the nearest 10: ______
- Estimate 68 − 50 by rounding each number to the nearest 10: ______
- Estimate 42 − 89 by rounding each number to the nearest 10: ______
- Estimate 61 − 86 by rounding each number to the nearest 10: ______
- Estimate 79 − 59 by rounding each number to the nearest 10: ______
- Estimate 87 + 26 by rounding each number to the nearest 10: ______
- Estimate 53 + 75 by rounding each number to the nearest 10: ______
- Estimate 89 + 64 by rounding each number to the nearest 10: ______
- Estimate 86 − 22 by rounding each number to the nearest 10: ______
- Estimate 27 + 32 by rounding each number to the nearest 10: ______
- Estimate 69 − 49 by rounding each number to the nearest 10: ______
- Estimate 72 + 81 by rounding each number to the nearest 10: ______
- Estimate 45 − 36 by rounding each number to the nearest 10: ______
- Estimate 80 + 89 by rounding each number to the nearest 10: ______
- Estimate 36 + 51 by rounding each number to the nearest 10: ______
- Estimate 83 + 66 by rounding each number to the nearest 10: ______
- Estimate 68 − 58 by rounding each number to the nearest 10: ______