Class 6 Maths Worksheet: Angles and Geometry
The method (Know the totals): Acute < 90°, right = 90°, obtuse between 90° and 180°, straight = 180°, reflex between 180° and 360°. Angles on a straight line add up to 180°; angles around a point add up to 360°. Each hour mark on a clock is 30° apart (360° ÷ 12). Turning clockwise from North: 90° → East, 180° → South, 270° → West.
NameDateTime takenScore ___ / 40
- 1.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
- 2.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
- 3.Three angles together make a straight line. Two of them are 80° and 20°. What is the third angle (in degrees)?
- 4.An angle measures 310°. What kind of angle is it? (a) Right (b) Straight (c) Reflex
- 5.An angle measures 40°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
- 6.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) East (c) North (d) West
- 7.You face South and turn clockwise through 270°. Which direction do you face now? (a) West (b) East (c) South (d) North
- 8.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
- 9.Four angles meet at a point. Three of them are 30°, 50° and 100°. What is the fourth angle (in degrees)?
- 10.Four angles meet at a point. Three of them are 30°, 90° and 160°. What is the fourth angle (in degrees)?
- 11.The minute hand of a clock turns clockwise from 8 to 10. How many degrees does it turn?
- 12.Three angles together make a straight line. Two of them are 10° and 140°. What is the third angle (in degrees)?
- 13.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
- 14.The minute hand of a clock turns clockwise from 1 to 6. How many degrees does it turn?
- 15.An angle measures 115°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
- 16.The minute hand of a clock turns clockwise from 4 to 11. How many degrees does it turn?
- 17.You face South and turn clockwise through 90°. Which direction do you face now? (a) West (b) East (c) North (d) South
- 18.Four angles meet at a point. Three of them are 40°, 50° and 190°. What is the fourth angle (in degrees)?
- 19.Four angles meet at a point. Three of them are 40°, 70° and 80°. What is the fourth angle (in degrees)?
- 20.Three angles together make a straight line. Two of them are 40° and 100°. What is the third angle (in degrees)?
- 21.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
- 22.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
- 23.You face East and turn clockwise through 270°. Which direction do you face now? (a) West (b) South (c) East (d) North
- 24.You face West and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
- 25.An angle measures 340°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
- 26.The minute hand of a clock turns clockwise from 7 to 11. How many degrees does it turn?
- 27.An angle measures 25°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
- 28.An angle measures 55°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
- 29.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) South (c) East (d) West
- 30.Three angles together make a straight line. Two of them are 85° and 25°. What is the third angle (in degrees)?
- 31.Three angles together make a straight line. Two of them are 95° and 65°. What is the third angle (in degrees)?
- 32.Three angles together make a straight line. Two of them are 35° and 125°. What is the third angle (in degrees)?
- 33.Four angles meet at a point. Three of them are 70°, 50° and 190°. What is the fourth angle (in degrees)?
- 34.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
- 35.The minute hand of a clock turns clockwise from 3 to 9. How many degrees does it turn?
- 36.An angle measures 70°. What kind of angle is it? (a) Straight (b) Right (c) Acute
- 37.The minute hand of a clock turns clockwise from 7 to 12. How many degrees does it turn?
- 38.The minute hand of a clock turns clockwise from 7 to 5. How many degrees does it turn?
- 39.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
- 40.The minute hand of a clock turns clockwise from 1 to 10. How many degrees does it turn?
Answer key
- 36
- Right
- 80
- Reflex
- Acute
- East
- East
- 20
- 180
- 80
- 60
- 30
- 90
- 150
- Obtuse
- 210
- West
- 80
- 170
- 40
- 60
- Straight
- North
- East
- Reflex
- 120
- Acute
- Acute
- West
- 70
- 20
- 20
- 50
- 18
- 180
- Acute
- 150
- 300
- North
- 270
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