Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 + 79 by rounding each number to the nearest 10: ______
- Estimate 77 + 82 by rounding each number to the nearest 10: ______
- Estimate 23 + 32 by rounding each number to the nearest 10: ______
- Estimate 61 − 46 by rounding each number to the nearest 10: ______
- Estimate 68 + 84 by rounding each number to the nearest 10: ______
- Estimate 69 + 28 by rounding each number to the nearest 10: ______
- Estimate 67 − 77 by rounding each number to the nearest 10: ______
- Estimate 31 − 24 by rounding each number to the nearest 10: ______
- Estimate 62 + 42 by rounding each number to the nearest 10: ______
- Estimate 86 − 87 by rounding each number to the nearest 10: ______
- Estimate 26 − 48 by rounding each number to the nearest 10: ______
- Estimate 88 − 58 by rounding each number to the nearest 10: ______
- Estimate 38 − 45 by rounding each number to the nearest 10: ______
- Estimate 27 − 53 by rounding each number to the nearest 10: ______
- Estimate 50 − 59 by rounding each number to the nearest 10: ______
- Estimate 36 − 36 by rounding each number to the nearest 10: ______
- Estimate 78 + 21 by rounding each number to the nearest 10: ______
- Estimate 62 − 67 by rounding each number to the nearest 10: ______
- Estimate 67 + 40 by rounding each number to the nearest 10: ______
- Estimate 31 − 85 by rounding each number to the nearest 10: ______