Plastic Ruler Positive - Negative
is backordered and will ship as soon as it is back in stock.
Dimensions: W cm x H cm x L cmSuitable for children from: Brand: CWRBarcode: 8004957069679
Arithmetic ruler equipped with a compartment to position numbers in colour. Recommended for primary and secondary schools. A 30cm ruler for 'positive-negative' arithmetic and algebraic operations.