1. Number and arithmetic: LCM calculation, percentage discount, percentage of amount, rounding, multiplying decimals, conversion between mixed numbers and decimals, estimating values between bounds 2. Algebra and expressions: simplifying expressions, substitution, solving linear equations, expressions from word problems, missing value identification from algebraic sum, interpreting ratio-based angles 3. Geometry and measurement: right-angled triangle drawing, identifying radius/diameter/chord in a circle, coordinate geometry (distance and line equation), calculating missing height from volume, scale distance conversion 4. Angles and parallel lines: angle calculation using angle rules, complementary and supplementary angles, vertically opposite angles, alternate/corresponding angles 5. Ratio and proportion: choosing appropriate ratio match for frame sizes, interpreting ratios from angle partitions, calculating height using composite volume 6. Data handling: waffle diagram to percent and pie chart conversion, identifying mode/mean/range, calculating median and mean from frequency tables