I have been using practice questions with my students and have seen some that include modulo or mod, but I didn’t see that as part of the Code.org curriculum. Will these type of question be on the AP Exam? Did I miss a lesson?
Yes, your students will need to know the mod operator for the MCQ. It is used on several questions (mostly just even / odd or find triples). It was introduced on Unit 4: Lesson 6 the Lemon Squeeze lesson.
I still use this old lesson to help visualize the mod operator:
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