About Number Line: Distance
Subtraction is more than an operation- it is also the distance between two numbers! Explore the distance between a person and house, a bird and a fish, and the difference in temperature between two locations. Compare absolute distance and directed distance, and strengthen your number line muscles.
How to play Number Line: Distance
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Subtraction is more than an operation- it is also the distance between two numbers!
Questions & answers
- What is Number Line: Distance?
- Number Line: Distance 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. Subtraction is more than an operation- it is also the distance between two numbers! Explore the distance between a person and house, a bird and a fish, and the difference in temperature between two locations.
- What can kids learn from Number Line: Distance?
- It helps kids explore: calculate the difference between two integers using subtraction represent subtraction of integers as the distance between integers reason about subtraction of integers in terms of number-locations and directed distances show that the distance between two integers on the number line is the absolute value of their difference recognize and generate equivalence classes of integer differences (e.g., 5 – 2 = 6 – 3).
- What age is Number Line: Distance good for?
- It is designed for middle school (roughly ages 10–14), and curious kids outside that range can absolutely enjoy poking around it too.
- Is Number Line: Distance free to play?
- Yes — Number Line: Distance is completely free on crumble.lol and runs fully in your browser on computers and tablets.