Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 + 22 by rounding each number to the nearest 10: ______
- Estimate 75 + 55 by rounding each number to the nearest 10: ______
- Estimate 54 + 46 by rounding each number to the nearest 10: ______
- Estimate 88 + 32 by rounding each number to the nearest 10: ______
- Estimate 77 + 61 by rounding each number to the nearest 10: ______
- Estimate 69 + 33 by rounding each number to the nearest 10: ______
- Estimate 62 + 62 by rounding each number to the nearest 10: ______
- Estimate 52 + 69 by rounding each number to the nearest 10: ______
- Estimate 31 − 61 by rounding each number to the nearest 10: ______
- Estimate 22 + 32 by rounding each number to the nearest 10: ______
- Estimate 71 + 47 by rounding each number to the nearest 10: ______
- Estimate 70 + 76 by rounding each number to the nearest 10: ______
- Estimate 61 − 51 by rounding each number to the nearest 10: ______
- Estimate 60 − 23 by rounding each number to the nearest 10: ______
- Estimate 49 − 37 by rounding each number to the nearest 10: ______
- Estimate 83 − 72 by rounding each number to the nearest 10: ______
- Estimate 56 − 32 by rounding each number to the nearest 10: ______
- Estimate 31 + 74 by rounding each number to the nearest 10: ______
- Estimate 21 − 67 by rounding each number to the nearest 10: ______
- Estimate 23 + 66 by rounding each number to the nearest 10: ______