Positive and Negative Rulers, Pack of 50

Teach primary aged children about positive and negative number concepts with these Positive and Negative rulers from Classmaster. Each ruler shows numbers from -10 to +10 so that students can explore the numbers below and above zero. All rulers are shatter-resistant, approximately 158mm in height, and are still suitable for using to rule straight lines. This pack contains 50 rulers so you can share between classes or save some in storage.