1. Make a scratch program that can ask you what number you want to count to
2. calculate from 1 + 2+3 till your number
3. answer the number
?. How many variables?
a.number
b.answer
c.finger
1, 2, 3, 4 5? 6?
有資料要存或改變都要用 變數
變數 的 設為 就是固定資料
變數的 改變就是 增加或減少數字
Learning Progress
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1. Green flag
2. Ask the question. What number do you want to count to ?
number set to reply(詢問的答案)
3. Answer set to 0
4. finger set to 1
5. Repeat until finger > number
Answer change finger
finger change 1
6. say answer