He isn't learning to spell ahead of his reading level, he's learning to spell based on what his teacher suggests.
The reward is that he gets read to, read something he isn't yet able to read on his own because it's ahead of his reading level. The reward is enjoying some good fiction, nothing to do with learning how to spell words from this more-advanced text.
The reward is that he gets read to, read something he isn't yet able to read on his own because it's ahead of his reading level. The reward is enjoying some good fiction, nothing to do with learning how to spell words from this more-advanced text.