You already know 0, 1, 2, 3… But did you know there are numbers below zero too?
Numbers with a little minus sign in front, like -3, are called negative numbers. They show things that are less than nothing — like being cold or owing money.
Tap Next to explore. Let's go! 🚀
On a thermometer, 0° is freezing. Go warmer and numbers go up (+). Go colder and numbers drop below zero (-).
Zero sits in the middle. Negatives go left, positives go right. Tap the number I ask for!
Notice: the further left you go, the smaller the number. So -5 is smaller than -1!
Imagine your pocket money. If you have money, that's a positive number. If you owe a friend, that's a negative number!
Spend more than you have and your balance goes below zero — that means you owe money!
Drag each card into the right box. Money you owe and temperatures below freezing are negative.
When you take away more than you have, just keep counting past zero into the negatives.
You have $2. You buy a snack for $5.
Step down one dollar at a time. Tap Step −1 and watch!
Lin owes her brother $4. Which number shows how much money Lin has?
Look how much you learned today:
Next time it's cold, or you lend a friend a coin, you'll spot negative numbers in real life. Well done! 🌟