Coordinates y3 y4

336 views

Published on

Published in: Technology
  • Be the first to comment

  • Be the first to like this

Coordinates y3 y4

  1. 1. Our Objectives• Describe and find the position of a squareon a grid of squares.• Recognise simple examples of horizontaland vertical lines.• Recognise positions and directions, e.g.describe and find the position of a point ona grid of squares where the lines arenumbered.
  2. 2. 87654321A B C D E F G H
  3. 3. 87654321A B C D E F G HD6G3
  4. 4. 87654321A B C D E F G HC8G7B3H4E1
  5. 5. 081172 3653420 76548XWhat is the position ofthis cross?(3,2)coordinates are alwayswritten in brackets, with acomma between eachnumberthe number on thehorizontal axis is alwayswritten first, then thenumber on the verticalaxis(0,0) is called the origin
  6. 6. 003214518764 5 6 7 82 3Who can point to……(7,3)X(3,7)(2,1)(1,2)(4,3)XXXXX(3,4)
  7. 7. Group1Draw an 8 x 8 grid on squaredpaper.Plot the following coordinateson the board: (0,5), (2,3), (4,1),(5,0).Join the points with a ruler.What word do we use todescribe the line you’ve drawn?Groups 2 and 3Use the 8 x 8 grid.Plot the following coordinateson the board: (0,5), (2,3), (4,1),(5,0).Join the points with a ruler.What word do we use todescribe the line you’ve drawn?
  8. 8. 003214518764 5 6 7 82 3(0,5)(2,3)(4,1)(5,0) XXXXThis is a diagonal line.What other points lieon this diagonal line?XX(3,2)(1,4)
  9. 9. Group1Draw an 8 x 8 grid on squaredpaper.Plot 3 corners of a square.Give your grid to a friend.Can they tell you the coordinatefor the last corner of thesquare?Do more squares.Groups 2 and 3Use the 8 x 8 grid.Plot 3 corners of a square.Give your grid to a friend.Can they tell you thecoordinate for the last cornerof the square?Do more squares.
  10. 10. 003214518764 5 6 7 82 3XXXWhat are thesecoordinates?(5,7)(2,4)(7,3)What shapewould be drawnif thesecoordinateswere joinedtogether?A triangle!
  11. 11. WINK

×