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Playlist: 1st - 3rd Math Extension

Valentine’s Day Codes

Teach your students about basic cryptography and code making.

Olympics: Winter vs Summer Medal Count

Which country has a great balance between their summer and winter Olympic medals?

Evens and Odds – Addition and Subtraction

When we’re adding and subtracting, do evens make odds into evens? Do odds make evens odd? Which one has… more power!?

Why Is Our Calendar So Weird!?

Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!