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Maths · Grade 4 · Set A
A turn, cut into 360
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Remember: A full turn is 360 degrees. Cut it into equal turns: a quarter turn is 90 degrees and a half turn is 180 degrees.

Fractions of a turn

1
The shaded part of the circle is a turn. Which turn is it?
a half turna full turna quarter turn
2
A full turn goes all the way round. How many degrees is a full turn?
3
The shaded part is a half turn. How many degrees is it?
4
Which picture shows a turn of 90 degrees?
A
B
C
5
Three of the four equal turns are shaded. How many degrees is the shaded turn?
6
Join each turn to its degrees.
  1. 1a quarter turn
  2. 2a half turn
  3. 3a three-quarter turn
  4. 4a full turn
  • A90 degrees
  • B180 degrees
  • C270 degrees
  • D360 degrees

Cutting and joining turns

7
A circle is cut into 10 equal turns. One turn is shaded. How many degrees is it?
8
A circle is cut into 12 equal turns, like a clock face. How many degrees is one turn?
9
Two angles are put side by side. One is 60 degrees and one is 30 degrees. How many degrees in all?
10
A 30 degree turn and a 150 degree turn together make a half turn.
TrueFalse
11
The shaded turn is 320 degrees. How many more degrees finish the full turn?
12
A full turn is 180 degrees.
TrueFalse
13
Write how you know a quarter turn is 90 degrees.
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