Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 77 by rounding each number to the nearest 10: ______
- Estimate 38 + 72 by rounding each number to the nearest 10: ______
- Estimate 61 + 26 by rounding each number to the nearest 10: ______
- Estimate 56 + 37 by rounding each number to the nearest 10: ______
- Estimate 55 + 70 by rounding each number to the nearest 10: ______
- Estimate 56 − 47 by rounding each number to the nearest 10: ______
- Estimate 80 − 43 by rounding each number to the nearest 10: ______
- Estimate 53 − 76 by rounding each number to the nearest 10: ______
- Estimate 70 + 38 by rounding each number to the nearest 10: ______
- Estimate 48 + 79 by rounding each number to the nearest 10: ______
- Estimate 46 − 32 by rounding each number to the nearest 10: ______
- Estimate 72 − 51 by rounding each number to the nearest 10: ______
- Estimate 51 − 69 by rounding each number to the nearest 10: ______
- Estimate 44 + 60 by rounding each number to the nearest 10: ______
- Estimate 64 + 48 by rounding each number to the nearest 10: ______
- Estimate 61 + 42 by rounding each number to the nearest 10: ______
- Estimate 47 − 56 by rounding each number to the nearest 10: ______
- Estimate 47 − 25 by rounding each number to the nearest 10: ______
- Estimate 28 − 22 by rounding each number to the nearest 10: ______
- Estimate 41 + 81 by rounding each number to the nearest 10: ______