SubjectNest · Year 3 maths · Make it fit, then check
MODEL length — complete words
An illustrative ruler has labels 0 through 15 in 1 cm labelled intervals; decorative positions are 7 viewBox units apart, not calibrated 1 cm physical intervals. A pale strip lies above labels 5–14. It starts at 5 cm and ends at 14 cm;14 − 5 = 9 cm. Start 5 → end 14 → length 9 cm. Real safe ruler: align at zero/read the end, or subtract two endpoints. Independently verify calibration before using any printed tool. Colour is decorative; all maths and source status are given here. Original CC BY 4.0.