Teaching article
An event starts an agreed response
Define a trigger that causes an agreed action.
A picture card can trigger a token action without any loud signal. Define what counts as the event and when it is checked, helping children distinguish a trigger from the order of commands that follow.
Define what counts as the trigger and when it is checked. A matching picture can initiate an action without requiring an audible signal.
State the trigger clearly
Agree on trigger meanings. Reveal a card. Execute the matching response.
A bell-picture card can trigger a token move without making a sound.
A trigger is different from an instruction sequence's order. What started the response?
Use visual triggers.
Resources
- Human Robot Commands – Coding Without Screens Printable Game — Check the command conventions before using the sequence or debugging task.
Further reading
- CS Unplugged — Kidbots and algorithm activities
- Australian Curriculum Version 9 — Technologies overview
Read next
- Grid coordinates work when everyone reads them in the same order
- A program test case names the starting state and expected result
- Repeat three means three executions in this notation
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