problem
Favourite
Ring of numbers
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?
What fraction of the black bar are the other bars? Have a go at this challenging task!
This article offers you practical ways to investigate aspects of your classroom culture.
Clare Green looks at the role of the calculator in the teaching and learning of primary mathematics.