计算机科学
算法与编程思维
你要讲的内容 · 先选年级
3 年级共 5 个知识点
Events That Start CodeAn event like a click or a key press is a signal that tells a piece of code to run right now.开讲 →If-Then DecisionsA program can ask a yes-or-no question and pick one path if the answer is yes and a different path if it's no.开讲 →Many Ways to Solve ItDifferent sets of steps can finish the same job, and some ways are shorter or faster than others.开讲 →Sorting Data into GroupsSorting answers into groups — like favorite fruits — turns a messy pile into something you can count.开讲 →Pictures from DataA bar graph turns numbers into bars so you can spot the biggest and smallest at a glance.开讲 →
往后的路 · 年级阶梯
Pick a grade · difficulty climbs 1 → 12
计算机科学 across the grades
Grade 6Middle school
From blocks to text: first Python programs · plan algorithms with flowcharts & pseudocode