direction and angle
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![Page 1: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/1.jpg)
Direction and Angle
Positions and directions
![Page 2: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/2.jpg)
Objectives
• Add and subtract a pair of two-digit numbers
• Recognise positions and directions
• Use the eight compass directions N, S, E, W, NE, NW, SE,SW.
• Make and measure clockwise and anticlockwise turns.
![Page 3: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/3.jpg)
Answer these questions on your whiteboards.
• What is:
7 + 4 ?7 + 4 ?
![Page 4: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/4.jpg)
Answer these questions on your whiteboards.
• What is:
17 + 4 ?17 + 4 ?
![Page 5: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/5.jpg)
Answer these questions on your whiteboards.
• What is:
27 + 4 ?27 + 4 ?
![Page 6: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/6.jpg)
Answer these questions on your whiteboards.
• What is:
27 + 14 ?27 + 14 ?
![Page 7: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/7.jpg)
Answer these questions on your whiteboards.
• What is:
37 + 24 ?37 + 24 ?
![Page 8: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/8.jpg)
Answer these questions on your whiteboards.
• What is:
15 - 7 ?15 - 7 ?
![Page 9: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/9.jpg)
Answer these questions on your whiteboards.
• What is:
25 - 7 ?25 - 7 ?
![Page 10: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/10.jpg)
Answer these questions on your whiteboards.
• What is:
65 - 7 ?65 - 7 ?
![Page 11: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/11.jpg)
Answer these questions on your whiteboards.
• What is:
65 - 17 ?65 - 17 ?
![Page 12: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/12.jpg)
Answer these questions on your whiteboards.
• What is:
75 - 27 ?75 - 27 ?
![Page 13: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/13.jpg)
Answer these questions on your whiteboards.
• What is:
48 + 26 ?48 + 26 ?How did you work this one out?
Lets look at some different strategies that you used.
![Page 14: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/14.jpg)
Now try these on your whiteboards, you have 2 minutes to work them
out.
23 + 45 = 45 – 26 =56 + 32 = 87 – 63 =69 + 28 = 58 – 39 =71 + 26 = 66 – 52 =
Did any of these cause difficulty?
![Page 15: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/15.jpg)
Lets label the walls of the class N, S, E and W.
• Stand facing north
• Turn to face east, south and then west.
• Did you turn clockwise or anticlockwise?
RememberRemember that a clockwise turn is that a clockwise turn is to the right like the hands of a to the right like the hands of a
clock.clock.
![Page 16: Direction and angle](https://reader036.vdocuments.site/reader036/viewer/2022082915/5456c0b9af7959bc078b7c15/html5/thumbnails/16.jpg)
• Stand facing north again.
• Make a quarter turn to face south.
• Did you turn clockwise or anticlockwise?
RememberRemember that a quarter turn is a that a quarter turn is a right-angled turn.right-angled turn.
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Stand facing north again.Make a half turn clockwise.
Which direction are you facing?Turn to face west. What sort of turn did you make?Face north and turn clockwise through half a right
angle.Does anyone know which direction you are facing
now?
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Halfway between north and east is called north-east.
• What is half-way between north and west?
• North-west
• What is halfway between east and south?
• South-east
• What is halfway between south and west?
• South-west
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Turn two anti-clockwise through two-right angles.
• In which direction are you facing now?
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NN
EE
SS
WW
NENE
SESESWSW
NWNW
Who thinks that they could label this compass?
Copy and complete the compass in your books.