Page 147 - Math Genius C5
P. 147
E:\Working\Orange_Education\Math_Genius_5\Open_Files\CHAP_07
\\October 8, 2025 12:37 PM Bharat Arora P-9 Reader _________________________ Date: ___________________74
Original posi�on 1 turn (clockwise) 1 turn 3 turn
4
4
2
Original posi�on 1 turn (an�clockwise) 1 turn 3 turn
4 2 4
Quarter turn
1
Quarter turn or one-fourth turn means rotating a shape through an angle of 90°.
4
Look at the following pairs of shapes. Each pair has one original shape and the shape
1
rotated by .
4
1
1 Turn 4 Turn
4
Original posi�on Quarter turn 1 Original posi�on Quarter turn
4
Some shapes look the same even if we give them a quarter turn.
Original posi�on Quarter turn Original posi�on Quarter turn
Half turn
1
Half turn means rotating a shape through an angle of 180°.
2
1
Observe the shapes given below. Each shape turns by . Knowledge Desk
2
The peacock’s tail is
symmetrical when it is
spread—this makes it
more attractive.
Original posi�on Half turn Original posi�on Half turn
teacher’s Discuss how a slide (translation), flip (reflection) and turn (rotation) are different forms of transformation we
tip can do to a shape. After any of these transformations, the size, area and length of the shape remain the same.
Mathematics-5 145145
Mathematics-5

