← Essential Mathematics / 2 Measurements and Geometry
2.5 Scale Drawing 3
Essential Mathematics · Grade 11 · 8 lessons in the design
What you will be able to do
- write linear scales in statement and ratio form in different situations
- interpret linear scales in statement and ratio form in different situations
- convert linear scale from statement form to ratio form and ratio form to statement form
- determine the bearing of a point from another point
- make scale drawings in different situations
- apply scale drawing in real life situations
- recognise the use of scale drawing in maps
Key questions
“How do we use scale drawing in real life situations?”
Lessons
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Scales in statement form
40 min · 1 practice tasks · quizWrite and read a linear scale in statement form and use it on a map.
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Scales in ratio form
40 min · 1 practice tasks · quizWrite a linear scale as a ratio and convert between statement and ratio form.
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Using a scale to find distances
40 min · 1 practice tasks · quizUse a scale to turn a map length into a ground distance and back.
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Three-figure bearings
40 min · 1 practice tasks · quizMeasure and state a bearing as three figures clockwise from north.
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Back bearings
40 min · 1 practice tasks · quizFind the bearing of a return journey from the outward bearing.
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Making a scale drawing
40 min · 1 practice tasks · quizDraw a plan or a triangle accurately from real lengths and a chosen scale.
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Drawing a route
40 min · 1 practice tasks · quizDraw a two-leg route from bearings and distances and measure the result.
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Scales on maps and plans
40 min · 1 practice tasks · quizUse scale drawing on maps and building plans and choose a sensible scale.