Unit Test: Angles as Turns | Mathematics (Maths Mela) Class 5 - New NCERT PDF Download

Time: 1 hour M.M. 20 
Attempt all questions. 

• Question numbers 1 to 5 carry 1 mark each. 
• Question numbers 6 to 8 carry 2 marks each. 
• Question numbers  9 to 11 carry 3 marks each. 

Q1. A straight angle is equal to how many degrees? (1 Mark)
(a) 90°
(b) 120°
(c) 150°
(d) 180°

Q2. Three quarter turns in the same direction are equal to: (1 Mark)
(a) Half turn
(b) Full turn
(c) Straight angle
(d) Reflex angle

Q3. How many half turns make two full turns? (1 Mark)
(a) 2
(b) 3
(c) 4
(d) 6

Q4. How many degrees are there in one and a half turns? (1 Mark)
(a) 270°
(b) 360°
(c) 450°
(d) 540°

Q5. An acute angle is always: (1 Mark)
(a) Less than 90°
(b) Equal to 90°
(c) Between 90° and 180°
(d) More than 180°

Q6. For each turn, write the measure in degrees and the type of angle: (2 Marks)

(a) 2 quarter turns clockwise → ______ ° → type: __________
(b) 1 full turn anti-clockwise → ______ ° → type: __________
(c) 5/6 of a full turn → ______ ° → type: __________
(d) 1 quarter turn anti-clockwise → ______ ° → type: __________

Q7. A car is facing North. It makes the following sequence of turns: (2 Marks)

(i) 1 half turn clockwise
(ii) 1 quarter turn anti-clockwise
(iii) 1 quarter turn clockwise

(a) What direction is it facing now? __________
(b) What is the net turn (in degrees) relative to the start? __________°

Q8: A toy car starts facing East. It makes two quarter turns anticlockwise. Which direction is it facing now? (2 Marks)

Q9. Identify the type of angles: (3 Marks)

(a) 35° → ________
(b) 135° → ________
(c) 270° → ________

Q10: Draw angles of the following measures: (3 Marks)

(a) 140°
(b) 82°
(c) 35°

Q11: A robot starts facing North. It makes three quarter turns clockwise. Which direction is it facing now?  (3 Marks)

​You can access the solutions to this Unit Test here.