Mon Prof Augmenté
Two Lines to a Point
From a boat, you can draw a straight line toward a lighthouse and another toward a buoy. On a chart, those two lines cross at the boat’s position.
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Age 13: open this week
Browse Age 13
In the picture
- Lighthouse on the headland.
- Buoy on the water.
- Pencil lines crossing on the chart.
- Protractor on the chart.
Examples
- Using two street signs to find where you are on a paper map.
- A map app showing your location where two directions meet.
Key takeaways
- Two different directions can fix one location.
- The crossing point of the two lines is the boat’s position on the chart.
Carry on in the app
Three questions on this lesson. It has left the free week, so its quiz is for subscribers.
At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.
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