Starting from Scratch!


How much experience have you had on Scratch?

Beginner (No experience)
93
Rookie (Little experience)
187
Captain (Medium experience)
93
Expert (A lot of experience)
27
Master (I know almost everything)
14
Total 414

You have already voted.


Learning Intentions:

Can I understand what an algorithm is?

Can I find algorithms in Scratch code?

Can I create algorithms to complete the Scratch challenges?

Scratch intro vid


Can I understand what an algorithm is?

Success Criteria:

I can understand the definition of an algorithm

I can write down an example of an algorithm I have followed before


Dictionary Corner:

Algorithm

noun


a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.


Example Algorithm

Making a cup of tea:

1) Fill kettle with water

2) Switch kettle on

3) Get out a cup

4) Put tea bag in cup

5) When kettle boils fill up cup with water

6) Leave for 3 minutes

7) Remove tea bag from cup

8) Add milk and/or sugar to taste

9) Stir tea in cup

10) Drink


Can I see algorithms in Scratch code?

Success Criteria:

I can understand the different blocks of Scratch code

I can work out what the algorithms in the Scratch code are instructing the sprite to do and DE-BUG them

I can complete the coding challenges


Dictionary Corner:

Sprite

1. an elf or fairy.


2. a computer graphic that may be moved on-screen and otherwise manipulated as a single entity.

Cat sprite


Scratch Code

The algorithms (Code making up instructions) made in Scratch are done by using different coloured blocks.


The blocks' colour tells you what kind of command (instruction) they are used for.

You drag the coloured blocks and connect them together on the grey space on the right hand side.


Example of code



Can I create algorithms to complete the Scratch challenges?






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