同分母分数加减法应用题
Addition and subtraction word problems
能解决同分母分数加减法的应用题，并借助直观模型和算式来表示解题过程。
Solve word problems involving addition and subtraction of fractions with like denominators, using visual models and equations
学习证据 / Evidence
- 一个壶里有3/4升果汁，倒出2/4升，还剩多少？
- 两条丝带分别长2又3/8英寸和1又5/8英寸，它们的总长度是多少？
- 画一个分数模型来呈现并解决一个分数应用题。
- A jug contains 3/4 litre of juice; 2/4 litre is poured out — how much remains?
- Two pieces of ribbon are 2 3/8 and 1 5/8 inches — what is their total length?
- Draw a fraction model to represent and solve a fraction word problem
评估问题 / Assessment
如果{{name}}知道一条自然小径的一段长3/8千米，另一段长5/8千米，能不用计算器算出总距离吗？
If {{name}} reads that one section of a nature trail is 3/8 km and another is 5/8 km, can they work out the total distance without a calculator?