Computer Science
Grade 1
20 min
Story Time Loop: Repeating Phrases
Identifying and repeating key phrases in a story.
Tutorial Preview
1
Introduction & Learning Objectives
Learning Objectives
Identify a repeating phrase in a simple story.
Count how many times a phrase repeats.
Explain that a 'loop' means repeating an action.
Create a simple story with one repeating phrase.
Follow a simple algorithm that includes a loop.
Act out a loop, like clapping 3 times.
Do you know a song where you sing the same words again and again? 🎶
Today, we will learn about repeating parts in stories. This is called a loop! Loops help computers do jobs over and over.
Real-World Applications
Singing the chorus of a song 🎤
A cat saying 'meow' many times 🐈
Clapping your hands for a friend 👏
Brushing your teeth every morning 🦷
2
Key Concepts & Vocabulary
TermDefinitionExample
LoopA loop is an action that you do over and over again.In a song, singing 'Happy Birthday' two times is a loop.
RepeatTo do or say something again.A duck might repeat the sound 'Quack, quack!'
PhraseA few words that go together.The phrase is 'Twinkle, twinkle, little star.' ✨
AlgorithmA list of steps to do something, like a recipe.1. Get bread. 2. Get jelly. 3. Spread jelly on bread.
SequencePutting steps in the right order.You put on socks first, then you put on shoes. 👟
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Core Syntax & Patterns
The 'Repeat Count' Pattern
REPEAT [number] TIMES: [Do this action]
Use this when you know exactly how many times to repeat something.
The 'Story Loop' Pattern
Character says: [Repeating Phrase]
In stories, a character often repeats the same special phrase.
4 more steps in this tutorial
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Challenging
You need to write a story. The loop is "The rocket went up." It repeats 2 times. The story ends with "The rocket landed." What is the full story?
A.The rocket went up. The rocket landed.
B.The rocket landed. The rocket went up. The rocket went up.
C.The rocket went up. The rocket went up. The rocket landed.
D.The rocket went up. The rocket went up.
Challenging
A robot's instructions have a mistake. The loop should be: "Take one step. Spin around." The robot does this: "Take one step. Spin around. Take one step." What is the extra action that breaks the loop pattern?
A.The first "Take one step."
B.The second "Take one step."
C."Spin around."
D.There is no mistake.
Challenging
A story has two loops. Loop 1 is "Pat the cat." (repeats 2 times). Loop 2 is "The cat purrs." (repeats 2 times). What does the story look like if you do Loop 1 first, then Loop 2?
A.Pat the cat. The cat purrs. Pat the cat. The cat purrs.
B.Pat the cat. Pat the cat. The cat purrs. The cat purrs.
C.Pat the cat. The cat purrs. The cat purrs. Pat the cat.
D.The cat purrs. The cat purrs. Pat the cat. Pat the cat.
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