Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 + 21 by rounding each number to the nearest 10: ______
- Estimate 72 + 59 by rounding each number to the nearest 10: ______
- Estimate 88 − 38 by rounding each number to the nearest 10: ______
- Estimate 78 + 51 by rounding each number to the nearest 10: ______
- Estimate 50 + 24 by rounding each number to the nearest 10: ______
- Estimate 23 + 49 by rounding each number to the nearest 10: ______
- Estimate 36 + 42 by rounding each number to the nearest 10: ______
- Estimate 46 + 82 by rounding each number to the nearest 10: ______
- Estimate 77 + 38 by rounding each number to the nearest 10: ______
- Estimate 47 + 67 by rounding each number to the nearest 10: ______
- Estimate 26 − 26 by rounding each number to the nearest 10: ______
- Estimate 34 − 41 by rounding each number to the nearest 10: ______
- Estimate 59 − 23 by rounding each number to the nearest 10: ______
- Estimate 51 − 86 by rounding each number to the nearest 10: ______
- Estimate 44 + 41 by rounding each number to the nearest 10: ______
- Estimate 84 + 28 by rounding each number to the nearest 10: ______
- Estimate 59 − 70 by rounding each number to the nearest 10: ______
- Estimate 67 − 21 by rounding each number to the nearest 10: ______
- Estimate 70 − 82 by rounding each number to the nearest 10: ______
- Estimate 73 + 39 by rounding each number to the nearest 10: ______