π Topic Summary
In ScratchJr, the repeat block is like a magic trick! β¨ It tells your character to do something again and again without you having to write the same instructions many times. This is super helpful for making characters move around, jump, or even dance! Using repeat blocks makes your programs shorter and easier to understand. π€
Repeat block worksheets are a fun way to learn the fundamentals of loops in computer science. Looping is where you repeat the same sequence of commands to generate a sequence of actions. This saves time and is a basic skill of programming!
π§ Part A: Vocabulary
- π Repeat Block: What tells your character to do something more than once?
- π Loop: What is it called when you do the same thing over and over?
- π» Program: What is a set of instructions that tells the computer what to do?
- π¬ Animation: What is it called when pictures or characters move?
- π’ Counter: What keeps track of how many times you have repeated something?
Match the word to its definition:
| Word |
Definition |
| 1. Repeat Block |
A. A set of instructions for the computer |
| 2. Loop |
B. Pictures or characters appearing to move |
| 3. Program |
C. Doing the same thing over and over |
| 4. Animation |
D. Tells your character to repeat actions |
| 5. Counter |
E. Tracks the number of repetitions |
Answer Key: 1-D, 2-C, 3-A, 4-B, 5-E
βοΈ Part B: Fill in the Blanks
The _______ block helps us _______ actions in ScratchJr. This is useful for making our _______ do things multiple times. We can set a _______ to control how many times the action repeats. Using this block makes our _______ shorter and easier!
Word Bank: repeat, character, program, repeat, counter
Answer Key: The repeat block helps us repeat actions in ScratchJr. This is useful for making our character do things multiple times. We can set a counter to control how many times the action repeats. Using this block makes our program shorter and easier!
π‘ Part C: Critical Thinking
Imagine you want to make a cat character walk across the screen 5 times. How would you use the repeat block to do this in ScratchJr? Explain the steps!