# X-post: Math fun for the New Year

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To really enjoy this, your students need to know a little bit about exponents and factorials, but those are easy to learn...

And then try this challenge together:

I suggest working together to make a list of some basic powers and factorials and then figuring out the numbers 1-10 together. After that, students should be ready to continue on their own. Print and cut out these cards to help you think about various combinations:

High school students should be able to get most of the numbers 1-27, and several of the higher ones. You might post this worksheet on the 'fridge and have students initial or sign by the numbers they figure out:

I find it helpful to know if someone has found a number I'm missing, so I can focus my thinking on the numbers that are possible (because there will almost certainly be several that are impossible).

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