Variables in Programs

Tools

1 ready to use.

Score Keeper

Play Star Catch while its program runs beside it one highlighted line at a time. Every variable is a labeled box: catch a star and watch a new value fly into score, take a rock and lives drops, let ten seconds pass and speed goes up, while goal never moves.

Computer Science Grade 3 Lab

Word Wall

6 words in English and Spanish: variable, value, store, data, input, output. Print them as wall cards, mini cards or a student glossary.

Print the words

Lesson plans

One class period each, built around a tool. Print them, change them, share them.

• Score Keeper45 minutes · I can tell which variables in a program change and which stay the same, and say what changes them.