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How to Add and Subtract

Students in Pre-Kindergarten and 1st grade will learn the basics of how to add and subtract numerical values and apply them to examples.

Tina Johnson

on 20 April 2010

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Transcript of How to Add and Subtract

Addition and Subtraction If you start out with 1 apple and are given 3 more by a friend, how many do you have now? You find the answer by using ADDITION + Using numbers:
1 + 3 = ? 4 = You start with 1 apple
Add 3 apples to the 1 apple you started with
You end up with 4 apples! Your family cat just gave birth to 5 kittens. Sadly, you can't keep
all 5 of the kittens. 4 of the kittens are given away. How many kittens
do you end up keeping? You will find the answer this time using
SUBTRACTION! - = Using numbers:
5 - 4 = ? 1 You start out with 5 kittens
Your family gives away 4 kittens
You take away 4 from the 5 kittens and you are left with 1 kitten
Full transcript