3 of 3 Items .... Source: MathCirclesOz

Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.

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How would you split these lines into 2 groups?




What other lines would fit into your groups? What wouldn't fit?
Which ones do belong?


.: [ALG], [MathCirclesOz], [WODB].

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Using a mental method, what's your total? How can you defend that answer?!




Number talks powerfully develop number flexibility for all students.


.: [MS Math], [MathCirclesOz], [Number Talks].

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How would you split these numbers into 2 groups?



What other numbers would fit into your groups? What wouldn't fit?


.: [MS Math], [MathCirclesOz], [Number Talks].
that's it.