Regrouping in subtraction By rth

I use a similar story to Jen's about going to your neighbor's who lives in the tens column.

We also learn this poem -

SUBTRACTION RHYME

More on top?
No need to stop!

More on the floor?
Go next door.
Get one ten.
That's ten ones more.

Numbers the same?
Zero's the game!

When we talk about whether we need to regroup or not, we refer to the poem. I also have them circle the larger number in the ones place, if they seem to have trouble knowing whether to regroup or not.

 

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