Mathigon (@mathigonorg) 's Twitter Profile
Mathigon

@mathigonorg

The Mathematical Playground – making learning more interactive and engaging than ever before, and FREE for everyone. Part of @amplify

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linkhttps://mathigon.org calendar_today12-04-2012 06:35:21

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Mathigon
@mathigonorg

2 years ago

Spliting and merging number cards can be helpful in visualizing regrouping when subtracting. Learn more in this Polypad Pointer video: youtube.com/watch?v=QMPcxp…