Guess the measure of turns the minute hand of a clock makes in each of the following cases. The initial position of the minute hand is given. Draw the final position of the minute hand on the clock face. Discuss your reasoning in class. a. When the minute hand moves by 15 minutes, it has made a _______ turn of the circle. b. When the minute hand moves by 30 minutes, it has made a _______ turn of the circle. c. When the minute hand moves by 45 minutes, it has made a _______ turn of the circle. d. When the minute hand has turned by 1/12 of a full turn, it has moved by ______ minutes. e. When the minute hand has turned a full-circle, it has moved by ______ minutes. f. When the minute hand has turned by 1/6 of a full turn, it has moved by _____ minutes. g. When the minute hand has turned by 4/12 of a full turn, it has moved by _____ minutes.
Answers: (a) 15 minutes → ¼ turn; (b) 30 minutes → ½ turn; (c) 45 minutes → ¾ turn; (d) 1/12 turn → 5 minutes; (e) full circle → 60 minutes; (f) 1/6 turn → 10 minutes; (g) 4/12 (=1/3) turn → 20 minutes. Sketch each on a clock to confirm the fractions of the full turn.
For more NCERT Solutions for Class 5 Mathematics Maths-mela Chapter 3: Angles as Turns Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-5/maths/maths-mela-chapter-3/