Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 − 56 by rounding each number to the nearest 10: ______
- Estimate 36 − 81 by rounding each number to the nearest 10: ______
- Estimate 28 + 69 by rounding each number to the nearest 10: ______
- Estimate 72 + 28 by rounding each number to the nearest 10: ______
- Estimate 23 + 50 by rounding each number to the nearest 10: ______
- Estimate 85 − 64 by rounding each number to the nearest 10: ______
- Estimate 61 + 83 by rounding each number to the nearest 10: ______
- Estimate 43 − 30 by rounding each number to the nearest 10: ______
- Estimate 89 + 59 by rounding each number to the nearest 10: ______
- Estimate 82 + 75 by rounding each number to the nearest 10: ______
- Estimate 78 + 82 by rounding each number to the nearest 10: ______
- Estimate 58 + 24 by rounding each number to the nearest 10: ______
- Estimate 84 − 72 by rounding each number to the nearest 10: ______
- Estimate 63 − 39 by rounding each number to the nearest 10: ______
- Estimate 40 − 60 by rounding each number to the nearest 10: ______
- Estimate 25 − 57 by rounding each number to the nearest 10: ______
- Estimate 77 + 87 by rounding each number to the nearest 10: ______
- Estimate 87 + 29 by rounding each number to the nearest 10: ______
- Estimate 26 − 25 by rounding each number to the nearest 10: ______
- Estimate 72 − 27 by rounding each number to the nearest 10: ______