02Not available yet · 未開放
Ratio equations
比例方程
Write a fraction, then cross multiply to find the unknown.
Lesson not available yet.
YOUR MATHS CLASSROOM
What will you
learn today?
Choose a topic. Take it one step at a time.選擇課題，先理解，再試做。
CHAPTER 01
Ratios 比
01Learn step by step
Ratios of expressions
代數式的比
See how ratios work. Match the same variable, then build a solution together.
Start learning
03Not available yet · 未開放
Sharing in a ratio
按比分配
Use the k-method to divide a total into parts.
Lesson not available yet.
Explore a diagram, try an idea, and see why it works.唔使一開始就識做；每一步都有圖解同提示。