M-NUM-015Higher onlyReview: Pending

Use the product rule for counting

Number · Counting (T-NUM-004)

v1 mapping, pending teacher review. Only AQA and Edexcel are mapped so far. The first 3 pilot worksheets and their worked answers are available; remaining worksheets are coming soon. All videos are still coming soon.

Retrieval: Multiply the number of options
Fluency: Count multi-stage selections
Reasoning: Explain how the list avoids omissions and repetition.
Application: Count passwords with stated restrictions
Common misconception: An unsystematic list can omit or double-count outcomes.

Video brief

Model how to use the product rule for counting. Explain each step; pause for a matching shadow question.

Planned video: V-NUM-015 · Video coming soon

Worksheets

Worksheets coming soon

Note: Scope and tier apply to this skill; tag each generated variant separately.