Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 − 49 by rounding each number to the nearest 10: ______
- Estimate 60 − 47 by rounding each number to the nearest 10: ______
- Estimate 40 − 45 by rounding each number to the nearest 10: ______
- Estimate 42 + 46 by rounding each number to the nearest 10: ______
- Estimate 87 + 60 by rounding each number to the nearest 10: ______
- Estimate 75 − 61 by rounding each number to the nearest 10: ______
- Estimate 69 − 57 by rounding each number to the nearest 10: ______
- Estimate 87 + 60 by rounding each number to the nearest 10: ______
- Estimate 65 + 40 by rounding each number to the nearest 10: ______
- Estimate 89 − 58 by rounding each number to the nearest 10: ______
- Estimate 80 + 47 by rounding each number to the nearest 10: ______
- Estimate 46 + 40 by rounding each number to the nearest 10: ______
- Estimate 59 − 52 by rounding each number to the nearest 10: ______
- Estimate 66 − 77 by rounding each number to the nearest 10: ______
- Estimate 30 + 31 by rounding each number to the nearest 10: ______
- Estimate 49 + 74 by rounding each number to the nearest 10: ______
- Estimate 67 − 32 by rounding each number to the nearest 10: ______
- Estimate 32 − 86 by rounding each number to the nearest 10: ______
- Estimate 24 − 51 by rounding each number to the nearest 10: ______
- Estimate 81 − 79 by rounding each number to the nearest 10: ______