Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 + 48 by rounding each number to the nearest 10: ______
- Estimate 66 − 48 by rounding each number to the nearest 10: ______
- Estimate 43 + 28 by rounding each number to the nearest 10: ______
- Estimate 87 + 80 by rounding each number to the nearest 10: ______
- Estimate 43 − 32 by rounding each number to the nearest 10: ______
- Estimate 59 − 43 by rounding each number to the nearest 10: ______
- Estimate 34 + 88 by rounding each number to the nearest 10: ______
- Estimate 85 + 83 by rounding each number to the nearest 10: ______
- Estimate 81 + 89 by rounding each number to the nearest 10: ______
- Estimate 37 + 69 by rounding each number to the nearest 10: ______
- Estimate 23 − 47 by rounding each number to the nearest 10: ______
- Estimate 31 + 53 by rounding each number to the nearest 10: ______
- Estimate 68 − 33 by rounding each number to the nearest 10: ______
- Estimate 39 − 27 by rounding each number to the nearest 10: ______
- Estimate 79 − 70 by rounding each number to the nearest 10: ______
- Estimate 46 − 75 by rounding each number to the nearest 10: ______
- Estimate 30 + 62 by rounding each number to the nearest 10: ______
- Estimate 78 − 25 by rounding each number to the nearest 10: ______
- Estimate 54 + 58 by rounding each number to the nearest 10: ______
- Estimate 45 + 41 by rounding each number to the nearest 10: ______