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0 pts
Lv 1 · Number Novice
Level 1500 pts → Lv 2
300 more pts → unlock 🚀 Deep Space
先选年级,再选一个知识点
比你低的年级随时能复习,比你高的讲会了就解锁
6 年级初中
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比与比率
Understand ratio and rate; solve problems with bar models and tables.
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负数与整数
Extend the number line to negatives; understand opposites and absolute value.
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代数式与方程
Use variables; write and solve one-variable equations.
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面积、表面积与体积
Find area of polygons; surface area with nets; volume with fractional edges.
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统计与数据
Describe data with center, spread and shape.
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Modeling-first · Singapore-styleDon't just do math.
Don't just do math.
Understand it — by teaching it.
Every lesson: play with a live lab, watch a quick video, then explain it back to your AI tutor. If you can explain it simply, you truly get it.
Singapore bar model · a live lab
RatiosAva & Ben share $40 in the ratio 3 : 2. How much each?
Ava
Ben
$40
5 units = $40→1 unit = $8Ava $24 · Ben $16