Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 + 35 by rounding each number to the nearest 10: ______
- Estimate 45 + 60 by rounding each number to the nearest 10: ______
- Estimate 64 − 83 by rounding each number to the nearest 10: ______
- Estimate 77 − 87 by rounding each number to the nearest 10: ______
- Estimate 32 − 27 by rounding each number to the nearest 10: ______
- Estimate 23 + 45 by rounding each number to the nearest 10: ______
- Estimate 21 + 40 by rounding each number to the nearest 10: ______
- Estimate 78 + 86 by rounding each number to the nearest 10: ______
- Estimate 33 − 71 by rounding each number to the nearest 10: ______
- Estimate 59 + 88 by rounding each number to the nearest 10: ______
- Estimate 85 + 29 by rounding each number to the nearest 10: ______
- Estimate 85 − 84 by rounding each number to the nearest 10: ______
- Estimate 69 − 59 by rounding each number to the nearest 10: ______
- Estimate 43 − 68 by rounding each number to the nearest 10: ______
- Estimate 89 − 86 by rounding each number to the nearest 10: ______
- Estimate 22 − 69 by rounding each number to the nearest 10: ______
- Estimate 21 − 41 by rounding each number to the nearest 10: ______
- Estimate 53 + 22 by rounding each number to the nearest 10: ______
- Estimate 78 + 67 by rounding each number to the nearest 10: ______
- Estimate 80 − 32 by rounding each number to the nearest 10: ______