单位分数与整数的除法
Dividing unit fractions and whole numbers
运用直观模型和算式，解决单位分数除以整数、整数除以单位分数的实际情境问题。
Solve real-world problems involving division of unit fractions by whole numbers and whole numbers by unit fractions, using visual models and equations
学习证据 / Evidence
- 解答：“3个人平均分1/2磅巧克力，每人分到多少？”（1/6磅）
- 解答：“2杯葡萄干可以分成多少个1/3杯的小份？”（6小份）
- 为给定的单位分数除法算式创编一个故事情境。
- Solve: '3 people share 1/2 lb of chocolate equally — how much each?' (1/6 lb)
- Solve: 'How many 1/3-cup servings in 2 cups of raisins?' (6 servings)
- Create a story context for a given unit-fraction division expression
评估问题 / Assessment
如果{{name}}有半个披萨，要平均分给3个人，{{name}}能不能算出每个人得到整个披萨的几分之几，并解释自己是怎么算的？
If {{name}} has half a pizza to share equally among 3 people, can they work out what fraction of the whole pizza each person gets — and explain the steps they took?