1. Introduction

2. SDSS-II Supernova Survey Observations

3. SN Ia Sample for the Rate Measurement
3.1. SN Selection Requirements
3.2. SN Sample
3.3. Bias Correction for the Observed Redshift Distribution
3.4. Estimating Contamination from Non-Ia SNe

4. Survey Efficiency
4.1. Systematic Studies of the SN Discovery Efficiency

5. SN Ia Rate Results
5.1. Constant SN Ia Rate Model
5.2. SN Ia Rate as a Function of Redshift

6. Conclusions