Which One Doesn't Belong?

This website provides thought-provoking puzzles for math teachers and students alike. There are no answers provided as there are many different, correct ways of choosing which one doesn't belong. Enjoy!
mathematics puzzles challenges
40 Digital Numeracy Idea Cards with quick, creative prompts in measurement, patterns, and algebraic thinking to refresh elementary math instruction and boost student engagement—fast and easy to use.
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Multiplication Poster makes learning times tables easy and fun with bright, kid-friendly visuals.
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