1.1 What is educational Psychology? ● Some examples: o 1. The concept of number: 1, 2, 3, et al o 2. Learning of plus and subtraction(minus): 2+4=26+9=28-5=? ●87-76=?(1)87-19=2(2 o Which one is more dificult? (Dor(2)And why? o 3. The interference of Chinese and english: ●“厚”( ho or hou?)1.1 What is educational Psychology? ⚫ Some examples: ⚫ 1. The concept of number:1,2,3, et al ⚫ 2. Learning of plus and subtraction(minus): ⚫ 2+4=? 6+9=? 8-5=? ⚫ 87-76=? (1) 87-19=?(2) ⚫ Which one is more difficult?(1)or (2) And why? ⚫ 3. The interference of Chinese and English: ⚫ “厚”（ho or hou?)