Fraction Tri-Ruler - MA507

A three sided ruler with 6 100mm measuring scales - two on each edge. Scales explore wholes down to twelfths. Students use this 320mm ruler to visualise operations with fractions and decimals. It intergrates the concrete with the abstract. The 100mm scale makes it suitable for use with place value equipment. Includes activity guide. Scales include wholes, 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1/9, 1/10, 1/11, and 1/12. 10 cm measuring scales makes this ruler compatible with other cm-based manipulatives such as fraction squares, cubes, and Base 10 blocks. Year 3 and up.