M-NUM-035Foundation & HigherReview: Pending

Estimate and check calculations

Number · Estimation (T-NUM-012)

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: Rounding to one significant figure
Fluency: Estimate quotients and multi-step calculations
Reasoning: Use an estimate to reject an implausible result.
Application: Evaluate the reasonableness of a quoted bill
Common misconception: A calculator result still needs a reasonableness check.

Video brief

Model how to estimate and check calculations. Explain each step; pause for a matching shadow question.

Planned video: V-NUM-035 · Video coming soon

Worksheets

Worksheets coming soon

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