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Julie Beaumont.  Work out dimensions from a scale drawing  Work out distance using a scale on a map  Take part in a scale measurement quiz.

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Presentation on theme: "Julie Beaumont.  Work out dimensions from a scale drawing  Work out distance using a scale on a map  Take part in a scale measurement quiz."— Presentation transcript:

1 Julie Beaumont

2  Work out dimensions from a scale drawing  Work out distance using a scale on a map  Take part in a scale measurement quiz

3  If you are planning a journey you may need to use a road map to work out the distance you will travel. The scale of the map will be given, so that you can take measurements and convert them into distances.  (Remember that, because roads twist and turn, the answers that you get will be estimates rather than accurate figures.)

4  Hector used a map to work out the distances from his home in Afton to nearby villages. He took measurements to the nearest cm.

5  Here are his calculations.  1 cm = 4 miles, so each measurement should be multiplied by 4.  From Afton to Beelby is 3 cm. 4 x 3 = 12. The distance is 12 miles. From Afton to Coburn is 5 cm. 4 x 5 = 20. The distance is 20 miles.

6  Some journeys will take you through other villages on the way. For example if you want to go from Afton to Dingle you will have to pass through Beelby.  To find out how long the journey is you need to add the distance from Afton to Beelby (3cm) to the distance between Beelby and Dingle (4cm).  So the journey is 3 cm + 4 cm which is a total of 7cm.  From Afton to Dingle is 7cm. 4 x 7 = 28 miles. The distance is 28 miles.

7  Read the handout and then complete the two worksheets provided.  Be prepared for a class quiz to follow!

8  A map has a scale of 1 cm = 10 km, so 2 cm = 5 km  True or false?  False

9  The distance between two towns on a map is 10 cm. The scale is 1 cm = 2 miles, so the towns are 20 miles apart.  True or false?  True

10  A map uses a scale of 4 cm to 1 km and the distance between two places on the map is 16 cm. This represents: ◦ 4 km ◦ 16 km ◦ 64 km ◦ 4km

11  The scale of this map is 1 cm to 2 miles. How many miles is it from A to B? ◦2◦2 ◦1◦1 ◦4◦4

12  The scale of this map is 1 cm to 5 km. How many km is it from B to C? ◦ 25 km ◦ 1km ◦ 25km

13  This map uses a scale of 2 cm for 1 mile. Jan went from the Station to the Art Gallery. How many miles was that? 88 22 22

14  3 cm represents 1 km on this map. Dan travelled from D to B; how far was that?  27 km  9 km  3 km

15  The scale of this map is 1 cm = 4 km. How long is the journey B to A to C?  8 km  32 km  2 km  32km

16  How far is it from Bristol to Dover?  45 miles  205 miles  245 miles  205 miles

17  How many miles is it from Cardiff to Preston?  69  210  249

18  Val cycled from C to A, then on to B. How far was that? 4 km  8 km  32 km

19  Jo used a map with a scale of 1 cm to 10 km to plan his trip. The first stage was 13 cm and the next was 17cm. So he travelled:  3 km  30km  300km

20  The distance from Cardiff to Hull, then on to Leeds is 309 miles.  True or false?  True

21  A return trip between Leeds and York would be:  24 miles  48 miles  96 miles  48 miles

22  Log into moodle and follow the Maps and Scale link with the FS maths course to practise skills in map reading and scale


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