Subtract across zero's with NO regrouping

Subtract across zero's with NO regrouping

Might be like what how can we subtract across the Zero without regrouping well in this Lesson you will learn a trick. heres the old school way.

How about the new way it's called the hat trick. but your probly thinking how will we not regroup there's 3 ways or less

• 1 you take one away

• 1 then you add it back at the end

Heres is an exapple

200-127= well now take away 1 from 200 now thats 199 so now are math problom is 199-127 that is 72 next 3-4 slides you do this on your own

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what will 900 trun into with useing the hat trick?

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solve the problom 900-278 useing the hat trick ( write the full probolm)

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Answer 700-129=