Show Learners

• Explain that when measurements are given in imperial on blue prints/drawings, it will be written as feet and inches and fractions of an inch. Feet are designated by the (’) and inches by the (”). A measurement of seven feet, ten and one half inches will be shown as 7’ – 101/2”. Notice there is a hyphen between the foot and inches.
• Explain the metric side of the tape measure. Point out the metric side is divided into metres, centimetres. The metres are marked as 1M, 2M etc. The meters are broken down into centimetres. Show that there are 100 centimetres in a metre. On the tape the small 1, 2, …. 35… 49 are centimetres. Each centimetre is divided into millimetres. Show that the “five millimetre mark is slightly longer that the other millimetre marks.
• Explain that when measurements are given in metric on blue prints/drawings, it will be written as 2.350m. This means 2 metres, 35 centimetres and 0 millimetres. For measurements of less than a metre, the nomenclature will start as 0.750 – which reads as 75 centimetres, 0 millimetres.

30 min

Learner Shows You

Field Day

• Emphasis shall be focused on using the metric system.
• Have participant demonstrate use of the imperial measure. Have participants show where 6’ 41/4” is on the imperial tape. Check each participant.
• Have participants show on the imperial tape where 53 3/8” is.
• Have participants show where 2metres and 55 centimetres (2.550) is on the tape. Check each participant.
• Have participants show where 1.893m is on the tape.
• Use more examples until all participants are able to use the metric tape.