Created by Mr. Lafferty Maths Dept. Coordinates Coordinates and Shapes Reflecting Shapes www.mathsrevision.com 12-Apr-19 Created by Mr. Lafferty Maths Dept.

Created by Mr.Lafferty Maths Dept Coordinates Learning Intention Success Criteria We are learning to plot coordinates. 1. Be able to plot and read coordinates. www.mathsrevision.com 12-Apr-19 Created by Mr.Lafferty Maths Dept

(5,2) (-5,4) (2,3) (-3,-2) Coordinate Grid Y-axis y 5 4 3 2 1 x -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 -1 X-axis -2 (-3,-2) -3 -4 -5

B(-4,5) C(-5,2) A(-3,2) G(1,-2) F(6,-2) D(5,-5) E(0,-5) What’s my Shape ? B(-4,5) y 5 Plot the points (5,-5) , (0,-5) (6,-2) and (1,-2). What shape am I ? Plot the points (-3,2) , (-5,2) and (-4,5). What shape am I ? 4 3 2 C(-5,2) A(-3,2) 1 x -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 -1 G(1,-2) F(6,-2) -2 -3 -4 D(5,-5) E(0,-5) -5

Created by Mr. Lafferty Maths Department Coordinates Now try TJ3a Ex 1 Q1 – Q6 Ch5 (page 41) www.mathsrevision.com 12-Apr-19 Created by Mr. Lafferty Maths Department

Reflection in x and y axis Learning Intention Success Criteria We are learning the connection between coordinates and reflection in the x and y axis. 1. Be able to reflect an object in the x or y axis given suitable coordinates. www.mathsrevision.com 12-Apr-19 Created by Mr.Lafferty Maths Dept

Mapping B(4,5) (a,b)  (a,-b) A(3,2) C(5,2) A’(3,-2) C’(5,-2) B’(4,-5) Reflection in x-axis B(4,5) 5 4 (a,b)  (a,-b) Mapping 3 A(3,2) C(5,2) 2 Reflection x-axis 1 x -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 -1 A’(3,-2) C’(5,-2) -2 -3 -4 -5 B’(4,-5)

Mapping B’(-4,5) B(4,5) A(3,2) C(5,2) C’(-5,2) A’(-3,2) (a,b)  (-a,b) Reflection in y-axis B’(-4,5) B(4,5) 5 Reflection y-axis 4 3 A(3,2) C(5,2) 2 C’(-5,2) A’(-3,2) 1 x -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 -1 -2 (a,b)  (-a,b) Mapping -3 -4 -5

Reflection in a Vertical Line y 5 (a,b)  (-a+2,b) Mapping 4 3 2 1 x -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 -1 -2 -3 -4 -5

Reflection in a Horizontal Line 6 y 5 (a,b)  (a,-b+2) Mapping 4 3 2 1 x -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 -1 -2 -3 -4 -5 -6

Reflection in x and y axis Have you updated your Learning Log ? Reflection in x and y axis Now try TJ3a Ex 1 Q7 – Q14 Ch5 (page 43) www.mathsrevision.com 12-Apr-19 Created by Mr. Lafferty Maths Department