Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 − 27 by rounding each number to the nearest 10: ______
- Estimate 33 + 66 by rounding each number to the nearest 10: ______
- Estimate 85 − 82 by rounding each number to the nearest 10: ______
- Estimate 87 − 21 by rounding each number to the nearest 10: ______
- Estimate 39 − 55 by rounding each number to the nearest 10: ______
- Estimate 26 + 45 by rounding each number to the nearest 10: ______
- Estimate 52 + 53 by rounding each number to the nearest 10: ______
- Estimate 24 − 30 by rounding each number to the nearest 10: ______
- Estimate 61 − 42 by rounding each number to the nearest 10: ______
- Estimate 25 + 76 by rounding each number to the nearest 10: ______
- Estimate 31 + 58 by rounding each number to the nearest 10: ______
- Estimate 43 + 28 by rounding each number to the nearest 10: ______
- Estimate 34 − 65 by rounding each number to the nearest 10: ______
- Estimate 74 + 85 by rounding each number to the nearest 10: ______
- Estimate 82 − 27 by rounding each number to the nearest 10: ______
- Estimate 80 + 50 by rounding each number to the nearest 10: ______
- Estimate 42 − 77 by rounding each number to the nearest 10: ______
- Estimate 56 + 32 by rounding each number to the nearest 10: ______
- Estimate 57 + 60 by rounding each number to the nearest 10: ______
- Estimate 79 + 45 by rounding each number to the nearest 10: ______