表示加法和减法

用物体、图画和心中想象来表示加法和减法。

Represent addition and subtraction using objects, drawings, and mental images

学习证据 / Evidence

• 用方块或计数片表示3加2
• 画一幅图来表示减法情境
• 用手指模拟加法问题

• Use cubes or counters to show 3 + 2
• Draw a picture to represent a subtraction situation
• Use fingers to model an addition problem

评估问题 / Assessment

如果{{name}}有3个苹果，你再给他们2个，他们能不能用手指、小物品或画图的方式告诉你一共有多少个？

If {{name}} has 3 apples and you give them 2 more, can they show you how many there are altogether — using their fingers, some small objects, or a drawing?