10以内数的分成
Numbers up to 10 into pairs
用不止一种方式把10以内的数分解成几组(部分-整体)。
Decompose numbers up to 10 into pairs in more than one way (part-part-whole)
学习证据 / Evidence
- 展示5 = 1 + 4、5 = 2 + 3、5 = 0 + 5等。
- 用实物或图画找出组成某个给定数字的所有分成方式。
- 把分解记录成算式。
- Show that 5 = 1 + 4, 5 = 2 + 3, 5 = 0 + 5 etc.
- Use objects or drawings to find all pairs that make a given number
- Record decompositions as equations
评估问题 / Assessment
如果{{name}}有8颗葡萄,能不能把它们分成两组,比如3和5,或4和4,并说明两组合起来还是8颗?
If {{name}} has 8 grapes, can they split them into two groups in different ways — like 3 and 5, or 4 and 4 — and explain that both groups together still make 8?