For 95% of my students, this lesson has actually been unnecessary. I do it anyhow, though, because I never know who is in the 5% that needs it. The reason why most of them don’t need it is because they remember the ch sound, and they apply it to the tch situation. But there is occasionally a student who needs to be taught directly that tch has a sound that it makes. And that’s fine; that’s what binder cards are for.

So here’s the card:

This is a quick lesson, and most likely the card will move through the binder at top speed. But it’s still important to teach the rule, so don’t skip it.