Angles as Turns Class 5 Worksheet with Answers Maths Chapter 3 - #NCSOLVE 📚

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Class 5 Maths Chapter 3 Angles as Turns Worksheet with Answers Pdf

Angles as Turns Class 5 Maths Worksheet

Class 5 Maths Chapter 3 Worksheet with Answers – Class 5 Angles as Turns Worksheet

Question 1.
Fill in the blanks.
(i) A ceiling fan makes a full turn when it return to its _______ positions.
(ii) If Raj takes three half turns in the same direction then it is like a _______ turns.
(iii) Four quarter turns in the same direction make a _______ turn.
(iv) If Preeti takes 2 quarter turns in the same direction then it is like a _______ turn.
Answer:
(i) Starting
(ii) \(\frac{3}{2}\)
(iii) Full
(iv) half

Question 2.
Write some of the everyday objects that involve turns.
_______________________________________
Answer:
Windmill blades, bicycle wheel, tap, cap of bottle etc.

Question 3.
What is the maximum possible turn in each of these cases? Check and tick.

Answer:

Question 4.
Four different angles are marked in the below shapes. Identify the marked angles as an acute angle, right angle, an obtuse angle and straight angle.

Answer:
(i) An obtuse angle
(ii) Right angle
(iii) An acute angle
(iv) Straight angle

Question 5.
Match them correctly.

Answer:
(i) → (b)
(ii) → (c)
(iii) → (d)
(iv) → (a)

Question 6.
In the following circles, the end points of \(\frac{1}{2}, \frac{1}{4}\) and \(\frac{1}{8}\) turns are shown. Draw arrows to show the starting points.

Answer:

Question 7.
Write the measure of the turns made by the arrow in each of the following.

Answer:
\(\frac{1}{8}\) turn

Answer:
\(\frac{1}{4}\) turn

Answer:
\(\frac{1}{4}\) + \(\frac{1}{8}\) turn or \(\frac{3}{8}\) turn

Answer:
\(\frac{1}{2}\) + \(\frac{1}{4}\) turn or \(\frac{3}{4}\) turn

Question 8.
Draw angles for the given measures of turns using the given lines.

Answer:
Do yourself.

Question 9.
Draw the angles formed by the turns.
\(\frac{1}{2}\) turn, \(\frac{1}{4}\) turn, \(\frac{2}{4}\) turn, \(\frac{1}{6}\) turn, \(\frac{1}{2}\) + \(\frac{1}{4}\) turn
_______________________________________
_______________________________________
Answer:
Do yourself.

Question 10.
Drawn the final position of the minute hand on the clock face.
(i) When the minute hand moves by 15 minutes, it has made a _______ turn of the circle.

Answer:
\(\frac{1}{4}\)

(ii) When the minute hand moves by 30 minutes, it has made a _______ turn of the circle.

Answer:
\(\frac{1}{2}\)

(iii) When the minute hand has turned by \(\frac{1}{12}\) of a full turn, it has moved by _______ minutes.

Answer:
5

(iv) When the minute hand has turned a half-circle, it has moved by _______ minutes.

Answer:
30

Question 11.
Tick the direction in which they have moved in quarter turn.

Clockwise/Anti-clockwise
Answer:
Anti-clockwise

Clockwise/Anti-clockwise
Answer:
Clockwise

Clockwise/Anti-clockwise
Answer:
Clockwise

Clockwise/Anti-clockwise
Answer:
Anti-clockwise

Question 12.
Complete the table by filling the direction.

Starting Direction	Turns	Ending Direction
(i) North	Two right angles anti-clockwise
(ii) East	Four right angles clockwise
(iii) West	A right angle anti-clockwise and four \(\frac{1}{2}\) right angles clockwise
(iv) South	Two right angles, clockwise

Answer:

Starting Direction	Turns	Ending Direction
(i) North	Two right angles anti-clockwise	South
(ii) East	Four right angles clockwise	East
(iii) West	A right angle anti-clockwise and four \(\frac{1}{2}\) right angles clockwise	North
(iv) South	Two right angles, clockwise	North

Question 13.
State whether the statements given below are true or false.
(i) A full turn is equal to two half turns.
(ii) A \(\frac{1}{4}\) turn is called an obtuse angle.
(iii) The minute hand of a clock makes a \(\frac{1}{2}\) turn in 30 minutes.
(iv) A door with a hinge can make a full turn,
(v) Two acute turns combine to make always a right angle.
Answer:
(i) True
(ii) False
(iii) True
(iv) False
(v) False

Question 14.
Case based question.
The minute hand of a clock starts at 12 am. It moves for some time and makes \(\frac{1}{12}\) turn and then a \(\frac{1}{6}\) turn in the same direction.
(i) How many minutes has the minute hand moved in total?
_______________________________________
Answer:
15 min

(ii) What number on the clock does it point to after these turns?
_______________________________________
Answer:
3

Question 15.
The minute hand of a clock starts at 12 am. How many minutes will it take to make a \(\frac{1}{6}\) turn?
_______________________________________
_______________________________________
Answer:
10 min

Question 16.
Pragya takes 2 quarter turns in the same direction. What fraction of a full turn is this? If she takes 4 quarter turns, what fraction is it now?
Answer:
\(\frac{1}{2}\), 1

Question 17.
Guess the measures of each of the angles shown below.
Then, check using your angle measuring tools. State whether each of the angles is acute, right, striaght or obtuse.

Answer:
(i) Acute
(ii) Obtuse
(iii) Right
(iv) Straight
(v) Obtuse

Question 18.
Measure each angle in the adjoining figure. Write the measure of the angles in terms of turns and then decide whether it is, obtuse or right angle.

Answer:
Angle A = obtuse, more than \(\frac{1}{4}\) turn but less than \(\frac{1}{2}\) turn
Angle C = obtuse, more than \(\frac{1}{4}\) turn but less than \(\frac{1}{2}\) turn
Angle D = acute, less than \(\frac{1}{4}\) turn
Angle B = acute, less than \(\frac{1}{4}\) turn.

The post Angles as Turns Class 5 Worksheet with Answers Maths Chapter 3 appeared first on Learn CBSE.

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