Showing posts with label manipulatives. Show all posts
Showing posts with label manipulatives. Show all posts

Monday, October 1, 2018

Borrowing

Usually, use this to help learn borrowing and carrying, but if you're having a hard time figuring out coin value, this might be helpful.  (particularly, if borrowing is already a mastered skill)

So, here I am trying to subtract 16 from 32 (32 - 16).   


You can't do (2 - 6), so you borrow a dime and make it into 10 pennies.


Do the subtraction and here's what's left.


~ Once you've got these 2 coins down, add a dollar or one more coin at a time.

~ Each morning, have a pile of coins that can be counted up.  Use only the ones that have been taught, but keep adding more as you can.

~ Go to the grocery together, have them buy a small item with only coins and require them to make exact change.  (go at a slow time)

~ Use real coins instead of play coins, you only need to have a couple dollars worth on hand.