乘法是重复加法

理解乘法就是重复相加，并能把相等的集合分组。

Understand multiplication as repeated addition and grouping equal sets

学习证据 / Evidence

• 能解释3组2和2+2+2是一样的
• 能用物品摆出相等的组，并数出总数
• 能识别阵列表示相等的行

• Explain that 3 groups of 2 is the same as 2 + 2 + 2
• Use objects to make equal groups and count the total
• Recognise an array as showing equal rows

评估问题 / Assessment

如果{{name}}需要数4个袋子，每个袋子里有3个苹果，他们能不能看出，不必一个一个地数12个，而是可以算3 + 3 + 3 + 3，或者说“4组3个”？

If {{name}} needs to count 4 bags with 3 apples in each, can they see that instead of counting all 12 one by one, they could add 3 + 3 + 3 + 3 — or say '4 groups of 3'?