Objective
Interpret feedback on mock Paper 1 and repair a priority misconception.
Calculator: Non-calculator core; calculator optional only for checking where labelled.

Recall
Retrieve the key fact or method needed for paper 1 feedback and repair.
Core practice
Rework 5/6−1/4 without a calculator and simplify.
Reasoning
A learner adds denominators in 2/3+1/4 to get 3/7. Explain and correct.
Exam-style
Solve an exam-style problem involving paper 1 feedback and repair. Show working, include a check and interpret your answer.