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Plastic Ruler Metre Triangle Invicta 080459 A 1m triangular ruler from Invicta with an inches scale on one side centimetres on another and millimetres on the third Blocks of colour on each side indicate feet 10cm and 100mm reinforcing the concept of fractions decimals percentages and the comparison between metric and imperial measurements The ruler which can be used outdoors is also an excellent line drawing product for nbsp teachers Invicta 080459 Comparison Rule
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