Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 32 by rounding each number to the nearest 10: ______
- Estimate 37 − 68 by rounding each number to the nearest 10: ______
- Estimate 67 − 66 by rounding each number to the nearest 10: ______
- Estimate 49 − 21 by rounding each number to the nearest 10: ______
- Estimate 42 − 87 by rounding each number to the nearest 10: ______
- Estimate 66 − 30 by rounding each number to the nearest 10: ______
- Estimate 81 − 76 by rounding each number to the nearest 10: ______
- Estimate 61 − 23 by rounding each number to the nearest 10: ______
- Estimate 71 − 69 by rounding each number to the nearest 10: ______
- Estimate 81 − 41 by rounding each number to the nearest 10: ______
- Estimate 45 − 76 by rounding each number to the nearest 10: ______
- Estimate 60 − 59 by rounding each number to the nearest 10: ______
- Estimate 37 + 51 by rounding each number to the nearest 10: ______
- Estimate 67 + 36 by rounding each number to the nearest 10: ______
- Estimate 58 + 79 by rounding each number to the nearest 10: ______
- Estimate 87 + 82 by rounding each number to the nearest 10: ______
- Estimate 36 − 56 by rounding each number to the nearest 10: ______
- Estimate 89 + 36 by rounding each number to the nearest 10: ______
- Estimate 85 + 33 by rounding each number to the nearest 10: ______
- Estimate 65 + 56 by rounding each number to the nearest 10: ______