Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 + 89 by rounding each number to the nearest 10: ______
- Estimate 61 + 22 by rounding each number to the nearest 10: ______
- Estimate 62 − 54 by rounding each number to the nearest 10: ______
- Estimate 64 − 89 by rounding each number to the nearest 10: ______
- Estimate 34 − 32 by rounding each number to the nearest 10: ______
- Estimate 39 + 44 by rounding each number to the nearest 10: ______
- Estimate 85 + 51 by rounding each number to the nearest 10: ______
- Estimate 72 − 62 by rounding each number to the nearest 10: ______
- Estimate 55 + 36 by rounding each number to the nearest 10: ______
- Estimate 53 + 80 by rounding each number to the nearest 10: ______
- Estimate 57 + 70 by rounding each number to the nearest 10: ______
- Estimate 83 − 35 by rounding each number to the nearest 10: ______
- Estimate 73 − 47 by rounding each number to the nearest 10: ______
- Estimate 32 − 61 by rounding each number to the nearest 10: ______
- Estimate 34 + 21 by rounding each number to the nearest 10: ______
- Estimate 80 + 55 by rounding each number to the nearest 10: ______
- Estimate 82 + 78 by rounding each number to the nearest 10: ______
- Estimate 77 + 21 by rounding each number to the nearest 10: ______
- Estimate 55 − 36 by rounding each number to the nearest 10: ______
- Estimate 28 − 33 by rounding each number to the nearest 10: ______