Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 68 by rounding each number to the nearest 10: ______
- Estimate 80 + 46 by rounding each number to the nearest 10: ______
- Estimate 29 − 79 by rounding each number to the nearest 10: ______
- Estimate 66 − 26 by rounding each number to the nearest 10: ______
- Estimate 60 + 79 by rounding each number to the nearest 10: ______
- Estimate 31 − 84 by rounding each number to the nearest 10: ______
- Estimate 48 + 77 by rounding each number to the nearest 10: ______
- Estimate 78 − 62 by rounding each number to the nearest 10: ______
- Estimate 37 + 47 by rounding each number to the nearest 10: ______
- Estimate 78 + 72 by rounding each number to the nearest 10: ______
- Estimate 38 + 70 by rounding each number to the nearest 10: ______
- Estimate 37 − 80 by rounding each number to the nearest 10: ______
- Estimate 87 + 22 by rounding each number to the nearest 10: ______
- Estimate 23 − 28 by rounding each number to the nearest 10: ______
- Estimate 88 − 68 by rounding each number to the nearest 10: ______
- Estimate 84 − 30 by rounding each number to the nearest 10: ______
- Estimate 50 − 32 by rounding each number to the nearest 10: ______
- Estimate 26 + 54 by rounding each number to the nearest 10: ______
- Estimate 81 + 51 by rounding each number to the nearest 10: ______
- Estimate 43 + 88 by rounding each number to the nearest 10: ______