1 million seconds is 11 days, 1 billion seconds is 31 years
Videos
The Story of 1 (One the number) from OReilly on Vimeo.
Your life in Numbers - a 90 min video on how numbers and the crunching of data shape our modern life.
Revision
Number glossary by Jarod and Anton
Link to guide on using your calculator to check if a number is a prime.
CL3/4/5 Number questions - Google Doc
Problems:
Would you rather - a collection of quick comparison type number problems.
Perfect Squares using Google Spreadsheets - link with make a copy of a Sheet in your drive.
3 tables of chocolate - fractions problem (link to worksheet to help structure your answer)
Golden ratio in your Face - practical investigation into the Golden ratio
Tradie calculations: This is just a quick example of a tradesperson linking profit, measurement and number.
Websites:
Online times tables: allows you to practice specific times tables.
Maths toolkit: Website with a range of digital manipulatives like number line, factors, multiples.
Numbermatics - type in your favourite number and get a whole bunch of interesting number facts!
Transum Flabbergasted - pair game for multiples, odds and evens.