Carroll Diagrams Great interactive with a large variety of sorting criteria

Diagram and number cards          odd/even and more/less than 10          odd/even and multiple of 2/5

Diagram and number cards          prime numbers and more/less than 20          square numbers and more/less than 30

Diagram and number cards          multiple of 3 and more/less than 20          multiple of 4 and more/less than 20

Diagram and number cards          multiple of 6 and more/less than 30          multiple of 7 and more/less than 40

Diagram and number cards          multiple of 8 and more/less than 40          multiple of 9 and more/less than 50

Diagram and number cards          multiple of 5 and more/less than 50

Diagram and number cards          multiple/not a multiple of 2 and 5          multiple/not a multiple of 3 and 4

Diagram and number cards          multiple/not a multiple of 3 and 5          multiple/not a multiple of 3 and 7

Nrich Maths          New Carroll Diagrams          New More Carroll Diagrams          Cycling Squares