Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 25 by rounding each number to the nearest 10: ______
- Estimate 23 − 47 by rounding each number to the nearest 10: ______
- Estimate 49 + 79 by rounding each number to the nearest 10: ______
- Estimate 35 + 66 by rounding each number to the nearest 10: ______
- Estimate 81 + 26 by rounding each number to the nearest 10: ______
- Estimate 68 + 64 by rounding each number to the nearest 10: ______
- Estimate 24 − 68 by rounding each number to the nearest 10: ______
- Estimate 75 + 70 by rounding each number to the nearest 10: ______
- Estimate 43 + 37 by rounding each number to the nearest 10: ______
- Estimate 68 − 84 by rounding each number to the nearest 10: ______
- Estimate 55 + 75 by rounding each number to the nearest 10: ______
- Estimate 77 + 45 by rounding each number to the nearest 10: ______
- Estimate 63 − 84 by rounding each number to the nearest 10: ______
- Estimate 60 − 46 by rounding each number to the nearest 10: ______
- Estimate 47 + 36 by rounding each number to the nearest 10: ______
- Estimate 40 + 44 by rounding each number to the nearest 10: ______
- Estimate 76 + 42 by rounding each number to the nearest 10: ______
- Estimate 69 + 27 by rounding each number to the nearest 10: ______
- Estimate 38 + 54 by rounding each number to the nearest 10: ______
- Estimate 36 + 47 by rounding each number to the nearest 10: ______