Scales 1
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Question 1 of 4
1. Question
Identify which of the following are scalesHint
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A rate is a ratio of two different units.A baking recipe using three parts water and two parts floursThis can also be written as `3:2`.Therefore, this is a ratio.Price of oranges per kilogramThis is a ratio between two different units.Therefore, this is a rate.Using a mapA map is a smaller representation of an actual larger location.Therefore, this is a scale.Creating a building planBuilding plans are sketches of an actual larger building.Therefore, this is a scale.Therefore, `\text(Using a map)` and `\text(Creating a building plan)` are both scales. -
Question 2 of 4
2. Question
Find the ratio of the scale `1 \text(cm):1 \text(m)` using `\text(cm)` as the unit- (1)`:` (100)
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A scale is the ratio of the size of a model to the actual object it represents.First, convert the metres into centimetres.`1 \text(metre)` `=` `100 \text(centimetres)` `1xx(100)/1` `=` `100` `1` `:` `100` This ratio is already simplified.`1:100` -
Question 3 of 4
3. Question
Find the ratio of the scale `1 \text(cm):5 \text(m)` using `\text(cm)` as the unit- (1)`:` (500)
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A scale is the ratio of the size of a model to the actual object it represents.First, convert the metres into centimetres.`1 \text(metre)` `=` `100 \text(centimetres)` `5xx(100)/1` `=` `500` `1` `:` `500` This ratio is already simplified.`1:500` -
Question 4 of 4
4. Question
Find the ratio of the scale `1 \text(mm):1 \text(km)` using `\text(mm)` as the unit- (1)`:` (1000000)
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A scale is the ratio of the size of a model to the actual object it represents.First, convert the metres into centimetres.`1 \text(kilometre)` `=` `1 000 000 \text(millimetres)` `1xx(1 000 000)/1` `=` `1 000 000` `1` `:` `1 000 000` This ratio is already simplified.`1:1 000 000`