Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 + 28 by rounding each number to the nearest 10: ______
- Estimate 52 + 42 by rounding each number to the nearest 10: ______
- Estimate 59 + 81 by rounding each number to the nearest 10: ______
- Estimate 78 − 36 by rounding each number to the nearest 10: ______
- Estimate 59 + 74 by rounding each number to the nearest 10: ______
- Estimate 78 + 45 by rounding each number to the nearest 10: ______
- Estimate 48 − 25 by rounding each number to the nearest 10: ______
- Estimate 47 + 69 by rounding each number to the nearest 10: ______
- Estimate 89 − 75 by rounding each number to the nearest 10: ______
- Estimate 56 − 62 by rounding each number to the nearest 10: ______
- Estimate 78 − 35 by rounding each number to the nearest 10: ______
- Estimate 23 + 32 by rounding each number to the nearest 10: ______
- Estimate 65 − 55 by rounding each number to the nearest 10: ______
- Estimate 62 − 69 by rounding each number to the nearest 10: ______
- Estimate 24 − 40 by rounding each number to the nearest 10: ______
- Estimate 53 + 85 by rounding each number to the nearest 10: ______
- Estimate 29 − 89 by rounding each number to the nearest 10: ______
- Estimate 46 − 68 by rounding each number to the nearest 10: ______
- Estimate 38 − 44 by rounding each number to the nearest 10: ______
- Estimate 89 + 38 by rounding each number to the nearest 10: ______