Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 35 − 23 by rounding each number to the nearest 10: ______
- Estimate 50 + 76 by rounding each number to the nearest 10: ______
- Estimate 53 − 49 by rounding each number to the nearest 10: ______
- Estimate 87 + 69 by rounding each number to the nearest 10: ______
- Estimate 56 − 78 by rounding each number to the nearest 10: ______
- Estimate 53 − 67 by rounding each number to the nearest 10: ______
- Estimate 55 − 71 by rounding each number to the nearest 10: ______
- Estimate 84 + 33 by rounding each number to the nearest 10: ______
- Estimate 40 − 36 by rounding each number to the nearest 10: ______
- Estimate 31 + 87 by rounding each number to the nearest 10: ______
- Estimate 33 − 57 by rounding each number to the nearest 10: ______
- Estimate 47 + 36 by rounding each number to the nearest 10: ______
- Estimate 82 + 80 by rounding each number to the nearest 10: ______
- Estimate 84 − 73 by rounding each number to the nearest 10: ______
- Estimate 26 + 70 by rounding each number to the nearest 10: ______
- Estimate 49 − 33 by rounding each number to the nearest 10: ______
- Estimate 64 + 79 by rounding each number to the nearest 10: ______
- Estimate 31 + 52 by rounding each number to the nearest 10: ______
- Estimate 32 − 68 by rounding each number to the nearest 10: ______
- Estimate 89 − 37 by rounding each number to the nearest 10: ______