Is this a big number?


Free-form entry eg: '125000km', '1.5 million inches', '$67bn', '45000000 AUD', 100years', '123456789', '1 trillion', '1.5e6', '25 million kg'

Landmark Numbers

Prominent and memorable numbers

How much do things weigh?

We like the attitude at cockeyed.com.

Take a bunch of everyday stuff (not just clothes) and weigh them. Why? Just to see how much they weigh! (and along the way maybe help internalise a sense of relative weights).

http://www.cockeyed.com/science/weight/weight_menu.html

For the Love of Numbers

Number-led writings for the truly geeky

Logs: Level-Up your Number Sense

This article about log scales and how to think about them (and how they naturally reflect how we think about big numbers) pretty much nails it, for me. Using log scales is an essential tool in your mental numeracy toolbox.

Thank you, Chalkface blog.

Thank you, too, Vi Hart for your passionate and engaging video on the topic.

https://thechalkfaceblog.wordpress.com/2016/03/07/why-logarithms-still-make-sense/

https://www.youtube.com/watch?v=N-7tcTIrers&feature=youtu.be

Is That A Big Number? - The Book

Yes, there's now a book based on these numbers. Oxford University Press: July 2018.

Click here to learn more about it.

Click here for Podcast: Andrew Elliott interviewed for New Books Network.

http://itabn.tumblr.com/post/138631317782/this-website