Main List (since 2021)

Activities developed with teachers in Hong Kong

• HKASME 2021 Feb 26
• sample tasks 2021
• 23/04/2021 HKRCHS sample tasks 2021
• card sort samples
• CL samples
• calculus
• statistics examples
• classwork sample
• workshop nov 2023

• Number and Algebra

• algebraic expressions (demo)
• Number Tasks
• interpreting equations
• algebra exercise
• directed numbers addition and subtraction

• Geometry

• isosceles
• Ratio of lengths and areas
• 面積與比
• Angles related to Straight Lines
• parallel lines and angles
• circle geometry
• symmetry
• Transformation and Coordinates

• Functions and Graphs

• equations and lines
• describe quadratic graphs
• Circle Equation
• equations in two variables
• Patterns with graphs

• Trigonometry

• Trigonometry
• unit circle trig (part 1)
• unit circle trig (part 2)

• Primary / Elementary

• 2022-23 Primary Maths Contest (section B)
• Primary Maths with polypad
• Fraction Tasks
• Editable Fraction Tasks
• Introducing Fractions
• Fractions, Decimals, and Percents
• Fraction Rods
• Equivalent Fractions
• Dividing Fractions Progression and Practice
• Multiplying Fractions: Area Model
• Bar Models
• Polygraph: Prime Climb Polygraph
• Polygraph: Fractions (Less than One)
• Fraction Splat! Version 2

• Others

• Capture
• triangle area ratio
• [Copy of] Logarithms and Ethnocentrism

• shared by teachers

• [Copy of] 對稱+變換
• [Copy of] Laws of Indices 8.1
• [Copy of] S.4 ch06 6.1 三角比 課堂活動(2)