These great value sets include enough colourful rods for small group or whole class use. Rods come in 10 different sizes and colours and each colour represents a different rod length that can be assigned a different numeric value or unit of measure. Each set includes rods, convenient storage trays with lid and a Teachers Guide. Longest rod measures/10 cm. Use to reinforce: Addition & Subtraction, fractions & decimals, multiplication & division, pattern & algebra, geometry & measurement, rmon-1 probability & statistics.