Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 + 70 by rounding each number to the nearest 10: ______
- Estimate 72 + 23 by rounding each number to the nearest 10: ______
- Estimate 38 − 51 by rounding each number to the nearest 10: ______
- Estimate 76 + 81 by rounding each number to the nearest 10: ______
- Estimate 34 + 22 by rounding each number to the nearest 10: ______
- Estimate 26 − 66 by rounding each number to the nearest 10: ______
- Estimate 34 − 72 by rounding each number to the nearest 10: ______
- Estimate 70 + 50 by rounding each number to the nearest 10: ______
- Estimate 44 + 35 by rounding each number to the nearest 10: ______
- Estimate 29 + 61 by rounding each number to the nearest 10: ______
- Estimate 54 − 25 by rounding each number to the nearest 10: ______
- Estimate 36 + 77 by rounding each number to the nearest 10: ______
- Estimate 89 − 59 by rounding each number to the nearest 10: ______
- Estimate 39 − 84 by rounding each number to the nearest 10: ______
- Estimate 70 − 40 by rounding each number to the nearest 10: ______
- Estimate 69 − 24 by rounding each number to the nearest 10: ______
- Estimate 67 + 44 by rounding each number to the nearest 10: ______
- Estimate 78 − 73 by rounding each number to the nearest 10: ______
- Estimate 61 − 22 by rounding each number to the nearest 10: ______
- Estimate 74 + 42 by rounding each number to the nearest 10: ______