Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 24 + 81 by rounding each number to the nearest 10: ______
- Estimate 29 − 43 by rounding each number to the nearest 10: ______
- Estimate 68 − 79 by rounding each number to the nearest 10: ______
- Estimate 38 + 44 by rounding each number to the nearest 10: ______
- Estimate 45 + 44 by rounding each number to the nearest 10: ______
- Estimate 74 − 68 by rounding each number to the nearest 10: ______
- Estimate 67 + 26 by rounding each number to the nearest 10: ______
- Estimate 64 + 51 by rounding each number to the nearest 10: ______
- Estimate 27 − 27 by rounding each number to the nearest 10: ______
- Estimate 68 + 67 by rounding each number to the nearest 10: ______
- Estimate 72 + 57 by rounding each number to the nearest 10: ______
- Estimate 88 + 38 by rounding each number to the nearest 10: ______
- Estimate 35 + 28 by rounding each number to the nearest 10: ______
- Estimate 50 + 88 by rounding each number to the nearest 10: ______
- Estimate 61 − 36 by rounding each number to the nearest 10: ______
- Estimate 28 − 26 by rounding each number to the nearest 10: ______
- Estimate 29 − 68 by rounding each number to the nearest 10: ______
- Estimate 46 − 55 by rounding each number to the nearest 10: ______
- Estimate 25 + 35 by rounding each number to the nearest 10: ______
- Estimate 70 + 23 by rounding each number to the nearest 10: ______