Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 50 by rounding each number to the nearest 10: ______
- Estimate 80 + 70 by rounding each number to the nearest 10: ______
- Estimate 57 + 75 by rounding each number to the nearest 10: ______
- Estimate 32 − 62 by rounding each number to the nearest 10: ______
- Estimate 84 + 81 by rounding each number to the nearest 10: ______
- Estimate 80 + 33 by rounding each number to the nearest 10: ______
- Estimate 61 + 81 by rounding each number to the nearest 10: ______
- Estimate 60 + 64 by rounding each number to the nearest 10: ______
- Estimate 75 − 30 by rounding each number to the nearest 10: ______
- Estimate 29 + 70 by rounding each number to the nearest 10: ______
- Estimate 54 − 56 by rounding each number to the nearest 10: ______
- Estimate 21 + 61 by rounding each number to the nearest 10: ______
- Estimate 87 + 39 by rounding each number to the nearest 10: ______
- Estimate 26 + 40 by rounding each number to the nearest 10: ______
- Estimate 64 − 51 by rounding each number to the nearest 10: ______
- Estimate 39 − 77 by rounding each number to the nearest 10: ______
- Estimate 26 − 47 by rounding each number to the nearest 10: ______
- Estimate 38 − 34 by rounding each number to the nearest 10: ______
- Estimate 33 − 47 by rounding each number to the nearest 10: ______
- Estimate 67 + 66 by rounding each number to the nearest 10: ______