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Exploding dots

By GopiKrishnaTest | Aug 30, 2019

I teach math concepts ( curriculum and non-curriculum ) at home to my son ( grade 3) .
I am exploring 'exploding dots' , this topic seems to takes good amount of time, so want to make sure it is worth to learn.

Is it worth to learn 'exploding dots' ? Please share your experience.

Note: Gone through James Tanton videos , practiced some by myself.

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