Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 42 by rounding each number to the nearest 10: ______
- Estimate 48 − 29 by rounding each number to the nearest 10: ______
- Estimate 26 + 34 by rounding each number to the nearest 10: ______
- Estimate 67 + 40 by rounding each number to the nearest 10: ______
- Estimate 88 − 83 by rounding each number to the nearest 10: ______
- Estimate 47 + 75 by rounding each number to the nearest 10: ______
- Estimate 49 − 27 by rounding each number to the nearest 10: ______
- Estimate 86 − 61 by rounding each number to the nearest 10: ______
- Estimate 76 + 26 by rounding each number to the nearest 10: ______
- Estimate 28 + 31 by rounding each number to the nearest 10: ______
- Estimate 47 + 53 by rounding each number to the nearest 10: ______
- Estimate 62 − 71 by rounding each number to the nearest 10: ______
- Estimate 85 − 31 by rounding each number to the nearest 10: ______
- Estimate 48 + 33 by rounding each number to the nearest 10: ______
- Estimate 30 + 33 by rounding each number to the nearest 10: ______
- Estimate 64 − 78 by rounding each number to the nearest 10: ______
- Estimate 43 − 46 by rounding each number to the nearest 10: ______
- Estimate 41 − 71 by rounding each number to the nearest 10: ______
- Estimate 80 + 37 by rounding each number to the nearest 10: ______
- Estimate 45 + 38 by rounding each number to the nearest 10: ______