简单加减应用题
Early Word Problems
解决20以内加减法的一步应用题，包括求缺失数字的问题
Solve one-step word problems involving addition and subtraction to 20, including missing-number problems
学习证据 / Evidence
- 解答“我有12颗糖果，吃了4颗，还剩多少？”
- 求缺失数字：7 = [ ] – 9
- 利用具体物品和图形表征来解决问题
- Solve 'I have 12 sweets and eat 4, how many left?'
- Solve missing number: 7 = [ ] – 9
- Solve problems using concrete objects and pictorial representations
评估问题 / Assessment
如果你说“我有一些糖果，吃了5颗，现在还剩9颗——我原来有多少颗？”，{{name}}能算出这个缺失的数字吗？
If you say 'I had some sweets, ate 5, and now have 9 left — how many did I start with?', can {{name}} figure out the missing number?