Teaching Point:

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Today we will learn how to use Variables.

What are Variables?

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Anyone who uses Programming to make apps or games HAS to use Variables. The word variable means something that changes. In making apps or games, a variable is a block of code that remembers a piece of information, and that information can change. Can we think of examples of things that change in games?

Variables have 2 parts: A name and a piece of information. Then if we want to change information, we tell other blocks of code to change it. For this project we can make a variable to keep score, and set it to 0. Then we tell it to go up by 1 (or more) every time the cat gets a coin.

Today's Assignment

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Make a variable for the score. Add change variable by 5 to the code for when the cat gets a coin.

Extension Activity

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Think of another variable you can add to make your game more challenging.

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