Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 31 by rounding each number to the nearest 10: ______
- Estimate 41 + 31 by rounding each number to the nearest 10: ______
- Estimate 28 + 36 by rounding each number to the nearest 10: ______
- Estimate 67 − 32 by rounding each number to the nearest 10: ______
- Estimate 28 − 24 by rounding each number to the nearest 10: ______
- Estimate 89 − 58 by rounding each number to the nearest 10: ______
- Estimate 54 + 77 by rounding each number to the nearest 10: ______
- Estimate 71 + 85 by rounding each number to the nearest 10: ______
- Estimate 80 − 42 by rounding each number to the nearest 10: ______
- Estimate 30 + 30 by rounding each number to the nearest 10: ______
- Estimate 44 + 79 by rounding each number to the nearest 10: ______
- Estimate 68 − 27 by rounding each number to the nearest 10: ______
- Estimate 74 − 61 by rounding each number to the nearest 10: ______
- Estimate 48 + 74 by rounding each number to the nearest 10: ______
- Estimate 80 − 72 by rounding each number to the nearest 10: ______
- Estimate 74 − 47 by rounding each number to the nearest 10: ______
- Estimate 28 + 37 by rounding each number to the nearest 10: ______
- Estimate 62 − 84 by rounding each number to the nearest 10: ______
- Estimate 44 + 36 by rounding each number to the nearest 10: ______
- Estimate 87 − 23 by rounding each number to the nearest 10: ______