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 12 equal angles. How big is each angle (in degrees)?
- 2.An angle measures 155°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
- 3.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) East (d) North
- 4.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
- 5.Four angles meet at a point. Three of them are 70°, 60° and 110°. What is the fourth angle (in degrees)?
- 6.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) North (c) South (d) West
- 7.An angle measures 330°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
- 8.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
- 9.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
- 10.You face West and turn clockwise through 180°. Which direction do you face now? (a) North (b) West (c) South (d) East
- 11.An angle measures 255°. What kind of angle is it? (a) Reflex (b) Right (c) Obtuse
- 12.You face South and turn clockwise through 270°. Which direction do you face now? (a) South (b) East (c) West (d) North
- 13.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
- 14.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
- 15.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) South (c) East (d) North
- 16.Four angles meet at a point. Three of them are 70°, 90° and 60°. What is the fourth angle (in degrees)?
- 17.The minute hand of a clock turns clockwise from 6 to 3. How many degrees does it turn?
- 18.An angle measures 115°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
- 19.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) East (c) North (d) West
- 20.Three angles together make a straight line. Two of them are 50° and 115°. What is the third angle (in degrees)?
- 21.Four angles meet at a point. Three of them are 100°, 40° and 80°. What is the fourth angle (in degrees)?
- 22.Three angles together make a straight line. Two of them are 75° and 95°. What is the third angle (in degrees)?
- 23.The minute hand of a clock turns clockwise from 11 to 8. How many degrees does it turn?
- 24.An angle measures 50°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
- 25.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) South (d) North
- 26.The minute hand of a clock turns clockwise from 11 to 2. How many degrees does it turn?
- 27.Four angles meet at a point. Three of them are 80°, 90° and 130°. What is the fourth angle (in degrees)?
- 28.Three angles together make a straight line. Two of them are 100° and 30°. What is the third angle (in degrees)?
- 29.Three angles together make a straight line. Two of them are 85° and 85°. What is the third angle (in degrees)?
- 30.Four angles meet at a point. Three of them are 80°, 80° and 80°. What is the fourth angle (in degrees)?
- 31.An angle measures 135°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
- 32.Three angles together make a straight line. Two of them are 65° and 105°. What is the third angle (in degrees)?
- 33.The minute hand of a clock turns clockwise from 3 to 5. How many degrees does it turn?
- 34.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
- 35.Three angles together make a straight line. Two of them are 65° and 25°. What is the third angle (in degrees)?
- 36.An angle measures 180°. What kind of angle is it? (a) Right (b) Reflex (c) Straight
- 37.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) South (d) North
- 38.Three angles together make a straight line. Two of them are 65° and 20°. What is the third angle (in degrees)?
- 39.Four angles meet at a point. Three of them are 40°, 100° and 30°. What is the fourth angle (in degrees)?
- 40.Three angles together make a straight line. Two of them are 100° and 70°. What is the third angle (in degrees)?
Answer key
- 30
- Obtuse
- North
- 90
- 120
- West
- Reflex
- Right
- 120
- East
- Reflex
- East
- South
- 15
- East
- 140
- 270
- Obtuse
- West
- 15
- 140
- 10
- 270
- Acute
- West
- 90
- 60
- 50
- 10
- 120
- Obtuse
- 10
- 60
- North
- 90
- Straight
- West
- 95
- 190
- 10
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