Thirty brightly coloured number lines displaying 0-15 on strong, double laminated card. Horizontal presentation on one side and vertical on the reverse.
Rules: When you add you count on, you make more. When you subtract you make less or fewer.
Five 0-9 repeating rules are included. Overlap the ‘zeros’ and ‘write in the tens’.
Set includes 30 lines, 5 repeating rules and a 38 page photocopiable booklet.