Ethan Lie's answer to Bryan's Secondary 4 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Ethan Lie
Ethan Lie's answer
20 answers (Tutor Details)
1st
Identify the general equation solve for arithmetic progression then simplify and factorise
Eric Nicholas K
Eric Nicholas K
4 years ago
Do take note that secondary school students are NOT exposed to the phrase "arithmetic progression" yet.

You need to explain using secondary school phrases.
Ethan Lie
Ethan Lie
4 years ago
Thanks for the advice Eric, will take note
J
J
4 years ago
The working is clear enough. It's good to expose the student to what an AP is. It's always good to have prior knowledge. No point restricting learning to levels.