1. Shapes and Crystal Flowers
KS2: Use repetition in programs

2. Stage Blocks Pallete Scripting Area
Which blocks come from which script areas?
Hint look at the colour!
Helpsheet

3. Can you use the repeat block to make this code draw a square?
Helpsheet 2

4. What is the difference?

5. Challenge
Why are repeats (or loops)
useful when we program?

6. Today we are learning about: Programs & Repetition
I can write a program that uses a repeat command
I can explain what the repeats do in my program

7. Images from Pixabay CC0 Public Domain

8. Images from Pixabay CC0 Public Domain

9. Why are repeats (or loops) useful when we program?
Challenge
Drawing a Pentacontagon - 50 sided shape
Can you see a mistake?
Why are repeats (or loops)
useful when we program?

10. Nested Loop
Why does this not change the shape?

11. Nested Loop What is the inner shape?
How many times does it draw this shape?
Why are loops useful?

12. Nested Loop What is the inner shape?
How many times does it draw this shape?
Challenge: Can you make a crystal flower that is different? What will your inner shape be?

13. Nested Loop
Challenge: Can you make a crystal flower that is different? What will your inner shape be?