分数除以分数
Dividing fractions
运用“将被除数保持不变、除号变乘号、除数取倒数”的方法和可视化模型,计算分数除以分数;能读懂并解决分数除以分数的应用题。
Divide a fraction by a fraction using the 'keep-change-flip' method and visual models; interpret and solve word problems involving division of fractions by fractions
学习证据 / Evidence
- 运用倒数法计算分数除以分数(被除数不变,除号变乘号,除数取倒数)
- 使用分数可视化模型表示并解释分数除法
- 为分数除法问题创设情境并解答
- Divide a fraction by a fraction using the reciprocal method
- Use visual fraction models to represent and explain fraction division
- Create story contexts for fraction division problems and solve them
评估问题 / Assessment
如果{{name}}有3/4升果汁,而每个杯子能装3/8升,{{name}}能不能用分数除法算出能倒满多少个杯子?
If {{name}} has 3/4 of a litre of juice and each glass holds 3/8 of a litre, can they work out how many glasses they can fill — using fraction division?