Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 − 72 by rounding each number to the nearest 10: ______
- Estimate 22 + 79 by rounding each number to the nearest 10: ______
- Estimate 22 + 67 by rounding each number to the nearest 10: ______
- Estimate 47 − 27 by rounding each number to the nearest 10: ______
- Estimate 53 − 27 by rounding each number to the nearest 10: ______
- Estimate 74 + 77 by rounding each number to the nearest 10: ______
- Estimate 45 + 31 by rounding each number to the nearest 10: ______
- Estimate 72 − 36 by rounding each number to the nearest 10: ______
- Estimate 60 + 30 by rounding each number to the nearest 10: ______
- Estimate 25 + 70 by rounding each number to the nearest 10: ______
- Estimate 81 + 64 by rounding each number to the nearest 10: ______
- Estimate 28 − 31 by rounding each number to the nearest 10: ______
- Estimate 83 + 42 by rounding each number to the nearest 10: ______
- Estimate 37 + 46 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______
- Estimate 57 − 51 by rounding each number to the nearest 10: ______
- Estimate 69 − 26 by rounding each number to the nearest 10: ______
- Estimate 55 − 38 by rounding each number to the nearest 10: ______
- Estimate 74 + 48 by rounding each number to the nearest 10: ______
- Estimate 42 + 21 by rounding each number to the nearest 10: ______