These linear 12/24 hour analogue/digital elapsed time rulers enable students to calculate elapsed time in a simpler way by marking start and finish time using dry erase markers, therefore calculating start and finish time. Compare the difference and relationship between analogue and digital time using the analogue (top) or digital (bottom) section of the rule. Ends clip together to show continuous time. Made from durable plastic

Size; 50 x 4.5cm each