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CBSE · Class 5 · Mathematics

Angles as Turns

Standard difficulty · 20 questions · 40 marks

Name: Date: Score: ____ / 40

Show your working for Sections B and C. Answers are on the last page — try every question first!

Section A — Choose the correct answer8 × 1 = 8 marks
1.
The minute hand moves for 10 minutes. What part of a full turn does it make?
  1. 2/3 turn
  2. 1/3 turn
  3. 3/4 turn
  4. 1/6 turn
2.
At 9 o’clock the minute hand starts at 12 and turns 5/6 of a full turn. What time is it now?
  1. 9:50
  2. 9:55
  3. 9:10
  4. 10:50
3.
You face East. You turn 1 right angle anticlockwise. Which way do you face now?
  1. South
  2. West
  3. East
  4. North
4.
The minute hand turns clockwise from 8 to 9. What kind of angle does it turn through?
  1. Acute
  2. Right
  3. Obtuse
  4. Straight
5.
A quarter turn makes:
  1. a right angle
  2. an acute angle
  3. a full turn
  4. a straight angle
6.
A 1/4 turn followed by a 1/3 turn in the same direction makes:
  1. 1/2 turn
  2. 5/6 turn
  3. 1/6 turn
  4. 7/12 turn
7.
How many 1/12-turn pieces make a straight angle?
  1. 7
  2. 6
  3. 12
  4. 26
8.
The minute hand points to 7. It turns 1/2 of a turn clockwise. Which number does it point to now?
  1. 2
  2. 1
  3. 7
  4. 12
Section B — Short answer8 × 2 = 16 marks
9.
What part of a full turn does the minute hand make in 50 minutes?
10.
Face East. Turn 2 right angles anticlockwise. Which way are you facing?
11.
How many minutes does the minute hand take to turn 5/12 of a full turn?
12.
The minute hand moves clockwise from 11 to 1. What part of a turn is this, and how many minutes pass?
13.
Gita faced West. She turned clockwise and now faces East. How many right angles did she turn?
14.
How many 1/12 turns make a 3/4 turn?
15.
A 1/3 turn: is it acute, right, obtuse, straight, or more than a straight angle?
16.
From 2:25 to 2:55, what part of a full turn does the minute hand make? Is it more than half a turn?
Section C — Word problems4 × 4 = 16 marks
17.
A robot faces West. It is told: turn 3 right angles clockwise; then turn 3 right angles clockwise; then turn 2 right angles anticlockwise. (a) Which way does it face after each turn? (b) Which way does it face at the end?
18.
Neel reads for 15 minutes, starting at 4:00, and then plays for 40 minutes. (a) What part of a turn did the minute hand make while Neel read? (b) What part of a turn did it make in all? (c) What time is it at the end?
19.
Write the kind of angle for each turn: 7/12 turn, 1/3 turn, 5/12 turn, 5/6 turn.
20.
Ravi makes an angle tool from paper pieces, each 1/12 of a turn. (a) How many pieces make a right angle? (b) A straight angle? (c) A full turn? (d) What part of a turn do 1 pieces make, and what kind of angle is it?
AmbifulWorksheets
Practice that never repeats
CBSE · Class 5 · Mathematics

Answer key

Angles as Turns · AW-5M-TRN-2026-V1 · For parents — fold back or tear off before handing the sheet to your child.

QAnswerWorking
1(d) 1/6 turn60 minutes is a full turn, so 10 minutes is 10/60 = 1/6
2(a) 9:50a full turn is 60 minutes; 5/6 of 60 = 50
3(d) North1 right angle anticlockwise
4(a) Acute1 steps of 5 minutes = 1/12 turn; a right angle is 1/4 turn
5(a) a right angle—
6(d) 7/12 turn3/12 + 4/12 = 7/12
7(b) 6a straight angle = 1/2 turn = 6/12
8(b) 11/2 turn = 6 numbers on the clock
95/650/60 = 5/6
10West—
1125 minutes5/12 of 60
121/6 turn; 10 minutes2 numbers × 5 minutes
132—
1493/4 = 9/12
15Obtusea right angle is 1/4 turn and a straight angle is 1/2 turn
161/2 turn; no30 minutes = 1/2 turn
17(a) South, East, West; (b) West—
18(a) 1/4 turn; (b) 11/12 turn; (c) 4:5515 + 40 = 55 minutes
197/12: more than a straight angle; 1/3: obtuse; 5/12: obtuse; 5/6: more than a straight angleacute < 1/4 turn = right < obtuse < 1/2 turn = straight
20(a) 3; (b) 6; (c) 12; (d) 1/12 turn, acutea right angle = 1/4 turn = 3/12