WJEC New Spec Maths Higher Unit 1: Questionnaires and stratified sampling

WJEC New Spec Maths Higher Unit 1 – 10 Topic Booklet Bundle

All ten Higher Unit 1 topic booklets for the new WJEC GCSE Mathematics and Numeracy (Double Award) specification, teaching from 2025. Includes ten question PDFs and ten matching complete worked-answer PDFs. Each topic contains ten original additional-practice questions: 100 additional questions across the bundle, plus selected sample and unofficial mock-paper extracts. The worked answers cover every included question and part, including mixed-topic parts retained within those extracts. Source question numbers and question-booklet page references make matching straightforward. Topics: fractions, percentages and reverse percentages; wages, income tax and deductions; bills, budgets and profit; ratio, direct and inverse proportion; currency exchange and commission; compound interest and AER; APR, loans and repayments; questionnaires and stratified sampling; travel graphs, time and speed; area, volume and bounds in context. Includes corrected question presentation, graphical solutions where needed, and explanations of ambiguous wording, rounding conventions and assumptions. Use for tutoring, revision, homework and classroom practice. Print at actual size (100%). Independently compiled; not an official WJEC publication or exam prediction. Worked answers are independently produced solutions, not an official mark scheme.