A variable is a named box. It holds a value that can change.
A variable is a box with a name. The name is the label on the box, and the value is what sits inside.
A robot only remembers what we store, so a program keeps a number in a variable.
The name stays the same, but the value can change. That is why it is called a variable: its value can vary.
Every variable needs its own clear name, so the program can find the right box every time.
These are some of the questions on the sets. The printable sheets have more and an answer key.
The name. Coins is the label on the box, and 7 is the value inside.
4. 3 + 1 = 4, and the name stays stars.
lives. A clear name says what the box holds.
Give one a new, clear name. Every variable needs its own name.
No. The name stays the same. It is the value that changes.
Find a small box or jar and a sticky label. Write a name on it, like stars or coins, and put a few small things inside. Count them. Take one out or add one, and say what the name is and what the value is now.
Do the Mission: label a small box or jar with a name such as coins, put a few small things inside, count them, then add or take one away and ask your child to say what the name is and what the value is now.
