M-NUM-036Foundation & HigherReview: Pending

Write error intervals after rounding or truncation

Number · Accuracy (T-NUM-008)

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: Half a rounding unit and inequality notation
Fluency: Write inclusive and exclusive endpoints
Reasoning: Explain the endpoints and the accuracy of a final answer.
Application: Decide whether a measurement could round to a stated value
Common misconception: Rounding early changes accuracy; interval endpoints need care.

Video brief

Model how to write error intervals after rounding or truncation. Explain each step; pause for a matching shadow question.

Planned video: V-NUM-036 · Video coming soon

Worksheets

Worksheets coming soon

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