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Number Line: Integers

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About Number Line: Integers

What do elevation, account balances, and temperature have in common? They can all be represented on a number line. Compare integers on a number line and in an inequality statement. Discover the meaning of absolute value.

How to play Number Line: Integers

Everything is hands-on: drag, click and experiment — the simulation reacts instantly. What do elevation, account balances, and temperature have in common?

Questions & answers

What is Number Line: Integers?
Number Line: Integers is a free interactive simulation from PhET Interactive Simulations (University of Colorado Boulder) that you can play right in your browser on crumble.lol — no downloads and no sign-up. What do elevation, account balances, and temperature have in common? They can all be represented on a number line.
What can kids learn from Number Line: Integers?
It helps kids explore: use positive and negative numbers to represent quantities in multiple contexts. explain the meaning of positive values, negative values, and zero, in multiple contexts. describe the location of a point on a number line with respect to another number. describe the location of a point on a number line with respect to its opposite define the absolute value of a number as its distance from zero. interpret inequality statements as statements about the relative position of two integers on a number line diagram.
What age is Number Line: Integers good for?
It is designed for elementary school (roughly ages 5–10) up to middle school (roughly ages 10–14), and curious kids outside that range can absolutely enjoy poking around it too.
Is Number Line: Integers free to play?
Yes — Number Line: Integers is completely free on crumble.lol and runs fully in your browser on computers and tablets.

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