I would also build on her addition. Use concrete objects such as candy, blocks, pennies, etc. If you decide to do worksheets start with simple numbers under 10. Teach her about the Heartbeat Roller Coaster Design Shirt sign, using the word “take away” really gives a child a more concrete concept of subtraction. The first number is how many you have and the second number is how many you are “taking away” from the first number. The equal sign is what you will have when you finish the problem. Have her count out loud. Remember to be patient and make sure she realizes she is VERY smart and is going to be probably ahead of her 1st grade class next year if they are not teaching any subtraction at all.
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