mathematics
数 (shǔ) · 13 strokes
Simplified form of 數. Phonosemantic compound. 攵 represents the meaning and 婁 represents the sound.
学 (xué) · 8 strokes
Simplified form of 學. Depicts two hands (𦥑) teaching a child (子) under a roof (宀). 爻 represents the sound.