i'm supposed to come up with different questions for 11-12 year olds, 13-14 year olds, and 17 year olds. the topic is the triangular number sequence.
any ideas for them?
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Hmm for the 11-12 year olds you should do stuff with equations, wait no correction for the 14 year olds. I cant think of any at the moment, but when I do, I will get to you on here.
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