Read code line by line, use names as clues, and try it with small numbers.
Read code like a recipe: start at the top and say what each line does, in your own words.
A name in code is a clue, like a label on a box. Good names tell you what each box holds.
Run it by hand with small numbers on paper to see what the code does.
Comments are notes for people, and they can go out of date. Check them against the code, because the code is what runs.
These are some of the questions on the sets. The printable sheets have more and an answer key.
6. 0 + 2 + 2 + 2 = 6.
From the top. Read it like a recipe, one line at a time.
The code. The code is what runs, and a comment can be out of date.
No. A note is for people, so the computer skips it.
One thing. Then it is clear what changed.
Take a recipe or a board game's rules. With a grown-up, read it one line at a time and say what each line does. Which words are names for things? Run it by hand with a small amount, like one egg, and see if the steps give the result you expect.
Read a recipe or a board game's rules together as if it were code: say what each line does, spot the names for things, and run it by hand with a small amount, like one egg.
