IMC Key Stage 2 · 10. Counting: arrangements and selections
Decide whether order matters, split the job into steps or cases, and use gaps, dividers and tables to count without missing or repeating.
IMC Key Stage 2 (EMIC) – Selected topics
Use the addition and multiplication rules correctly.
Tell arrangements from selections and count both.
Use the complement for 'at least' conditions.
Use gaps, dividers and fixed orders.
Build step-by-step tables of ways and check answers a second way.