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This lesson is called conditionals with cards.
Every day you make decisions based on what
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you see and hear. I want to walk to the park
but first I have to decide if I should
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bring an umbrella or not. So I look out the
window. If it's cloudy, I'm going to take
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my umbrella. Else, I'll take some sunglasses.
I think I'd better take the umbrella. What
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I see and hear determines what I take to the
park. Conditionals are used in games too.
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Today we're going to practice using conditionals
with a card game. In this game, the card that
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I draw determines what my friends are going
to do. If I draw a seven, everyone claps.
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Else, everyone says "awww." Let's try it!
I bet you can make up games
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that are even more fun with conditionals.
Give it a try! Conditionals are what make
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computers seem smart. A computer program that
includes conditionals can react to the user
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and change its course of action. Think about
your favorite video game. Do you earn more
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points for some actions than you do for others?
This occurs because the computer is using
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conditionals. It's the way a computer makes
a decision. How about, if you hit the target,
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you earn ten points. Else, you lose three.
When you know how conditionals work, you can
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create all kinds of exciting games.