Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Weekly Problem 49 - 2013
What is the value of 2000 + 1999 × 2000?
Weekly Problem 14 - 2008
The numbers 72, 8, 24, 10, 5, 45, 36, 15 are grouped in pairs so that each pair has the same product. Which number is paired with 10?
This problem encourages students to consider a range of alternative methods of calculation. There is an opportunity for students to appreciate the importance of the quotient and the remainder when using division to solve a problem. When using calculators, students can explore the relationship between the remainder and the decimal part of the
How can I use what I know (small multiples of 7, 12, 360...) to generate number facts that are not at my fingertips (large multiples of 7, 12, 360...)?
Days and Dates begins in the same way as this problem, but then encourages exploration of the algebra behind modular arithmetic.
Colour Wheels provides a simple context for exploring repeating patterns.