October+Subtracting+Week+3

Last week we talked about subtracting. Who remembers what it means to subtract?

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When we subtract ( - ) it means that we are taking away from something.



( show red/yellow circles on document camera)

media type="youtube" key="Rnw5ixvU074" height="386" width="680" Last week we used chairs to subtracting. We practiced this by "taking one away".

Can you show me what this looks like? (chairs)

Now lets try this with the cubes.