乘法即重复加法(6岁以上)
Multiplication as repeated addition (age 6+)
运用阵列图、重复加法、心算和已知乘法口诀来解决乘法和除法问题
Solve problems involving multiplication and division using arrays, repeated addition, mental methods, and known facts
学习证据 / Evidence
- 用重复加法或已知乘法口诀解决“有5个袋子,每袋有2个苹果,一共有多少个苹果?”
- 用分组的方法解决“把15颗糖平均分给3个小朋友”
- 画出阵列图来解决实际情境中的乘法问题
- Solve 'There are 5 bags with 2 apples in each. How many apples?' using repeated addition or known fact
- Solve 'Share 15 sweets equally among 3 children' using grouping
- Draw an array to solve a multiplication problem in context
评估问题 / Assessment
如果你告诉{{name}}“你有5个袋子,每个袋子里有4颗弹珠——一共多少颗?”他们能用实物、画图或心算加法算出来吗?
If you tell {{name}} 'you have 5 bags with 4 marbles in each — how many altogether?', can they figure it out using objects, a drawing, or mental adding?