Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 + 40 by rounding each number to the nearest 10: ______
- Estimate 74 + 30 by rounding each number to the nearest 10: ______
- Estimate 89 − 81 by rounding each number to the nearest 10: ______
- Estimate 74 + 73 by rounding each number to the nearest 10: ______
- Estimate 24 − 26 by rounding each number to the nearest 10: ______
- Estimate 33 + 65 by rounding each number to the nearest 10: ______
- Estimate 87 + 60 by rounding each number to the nearest 10: ______
- Estimate 64 + 79 by rounding each number to the nearest 10: ______
- Estimate 43 − 30 by rounding each number to the nearest 10: ______
- Estimate 55 + 60 by rounding each number to the nearest 10: ______
- Estimate 45 − 55 by rounding each number to the nearest 10: ______
- Estimate 42 + 85 by rounding each number to the nearest 10: ______
- Estimate 86 − 29 by rounding each number to the nearest 10: ______
- Estimate 25 − 60 by rounding each number to the nearest 10: ______
- Estimate 73 − 54 by rounding each number to the nearest 10: ______
- Estimate 62 + 49 by rounding each number to the nearest 10: ______
- Estimate 32 + 29 by rounding each number to the nearest 10: ______
- Estimate 57 + 35 by rounding each number to the nearest 10: ______
- Estimate 33 + 45 by rounding each number to the nearest 10: ______
- Estimate 67 + 62 by rounding each number to the nearest 10: ______