How did the Acts 5 believers relate to Judaism?

The Acts 5 believers were still meeting in the temple and remained under Judaism, yet they had separated themselves from mainstream Judaism by recognizing who Jesus was. They sold their goods and land, placed the proceeds in a common fund, and lived from it, about seven years after Pentecost.

Les explains that in verse 42 the believers are still meeting in the temple, still under Judaism, but they have separated themselves from the mainstream of Judaism by recognizing who Jesus was. He notes they had been selling all their goods and land, cashing in their CDs, and putting all their money into a common kitty, living out of it. Things had been going smoothly for about seven years after Pentecost. Les also points out that the church started not as huge congregations but as just a few meeting in a home atmosphere, yet at this stage these Acts 5 believers remained in the temple under Judaism while distinct from its mainstream because they recognized Jesus.

Acts 5:42

And daily in the temple, and in every house, they ceased not to teach and preach Jesus Christ.

Where were the believers in Acts 5:42 meeting, and how were they related to Judaism?

The believers in Acts 5:42 were still meeting in the temple. They remained under Judaism, but they had separated themselves from the mainstream of Judaism by recognizing who Jesus was. The early church began not as huge congregations but as a few meeting in a home atmosphere.