Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 25 by rounding each number to the nearest 10: ______
- Estimate 48 − 53 by rounding each number to the nearest 10: ______
- Estimate 25 − 26 by rounding each number to the nearest 10: ______
- Estimate 78 + 77 by rounding each number to the nearest 10: ______
- Estimate 21 − 60 by rounding each number to the nearest 10: ______
- Estimate 86 + 87 by rounding each number to the nearest 10: ______
- Estimate 73 + 69 by rounding each number to the nearest 10: ______
- Estimate 49 + 47 by rounding each number to the nearest 10: ______
- Estimate 74 − 80 by rounding each number to the nearest 10: ______
- Estimate 33 − 31 by rounding each number to the nearest 10: ______
- Estimate 36 + 76 by rounding each number to the nearest 10: ______
- Estimate 27 + 61 by rounding each number to the nearest 10: ______
- Estimate 43 − 58 by rounding each number to the nearest 10: ______
- Estimate 59 − 72 by rounding each number to the nearest 10: ______
- Estimate 77 − 28 by rounding each number to the nearest 10: ______
- Estimate 23 − 85 by rounding each number to the nearest 10: ______
- Estimate 50 − 78 by rounding each number to the nearest 10: ______
- Estimate 76 + 40 by rounding each number to the nearest 10: ______
- Estimate 57 − 24 by rounding each number to the nearest 10: ______
- Estimate 70 − 83 by rounding each number to the nearest 10: ______