Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 + 51 by rounding each number to the nearest 10: ______
- Estimate 74 − 85 by rounding each number to the nearest 10: ______
- Estimate 77 − 49 by rounding each number to the nearest 10: ______
- Estimate 46 − 89 by rounding each number to the nearest 10: ______
- Estimate 87 − 71 by rounding each number to the nearest 10: ______
- Estimate 73 − 23 by rounding each number to the nearest 10: ______
- Estimate 78 + 35 by rounding each number to the nearest 10: ______
- Estimate 47 + 21 by rounding each number to the nearest 10: ______
- Estimate 72 + 84 by rounding each number to the nearest 10: ______
- Estimate 33 + 55 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______
- Estimate 41 − 44 by rounding each number to the nearest 10: ______
- Estimate 37 − 69 by rounding each number to the nearest 10: ______
- Estimate 78 + 40 by rounding each number to the nearest 10: ______
- Estimate 25 − 42 by rounding each number to the nearest 10: ______
- Estimate 76 − 58 by rounding each number to the nearest 10: ______
- Estimate 59 + 66 by rounding each number to the nearest 10: ______
- Estimate 28 − 28 by rounding each number to the nearest 10: ______
- Estimate 59 + 89 by rounding each number to the nearest 10: ______
- Estimate 43 + 30 by rounding each number to the nearest 10: ______