Post on 21-Feb-2021
PROPERTIES OF SHAPE5
From White Rose Maths schemes for Year 5 Summer Term BLOCK 2 – PROPERTIES OF SHAPE
1 Measure the angle.
°
2 Teddy has measured the angle.
Give a reason why Teddy is not correct.
3 Complete the sentences.
There are 90° in a
Angles on a straight line add up to °
© White Rose Maths 2020
The angle is 150°.
9080
100
70
11060
12050
13040
140
30
150
20
160
10
170
0 180
1800
17010
16020150
30140
40
130
50
120
60
110
70
100
80
4 Measure the smallest angle in this quadrilateral.
°
5 Eva is facing a door.
She turns 134° clockwise.
How many more degrees clockwise will she need to turn before she faces the door again?
© White Rose Maths 2020
134°
door
6 Calculate the size of angle a in this shape.
Do not use a protractor.
7 Complete the sentences.
A triangular prism has faces.
A triangular prism has edges.
A triangular prism has vertices.
© White Rose Maths 2020
a
8 Use the compass to complete the sentences.
The angle from south to is a right angle.
The angle from east to is an acute angle.
The angle from to north-west is a reflex angle.
9 For each shape, state whether it is regular or irregular.
© White Rose Maths 2020
60˚ 60˚
60˚
N
EW
S
compass with 4 points and N E S W labelled on it
NE
SE
NW
SW
10 Draw a line that is 5.6 cm long.
Use this line to draw a 40° angle.
© White Rose Maths 2020
11 Calculate the sizes of angles a and b.
19°b
a39°
© White Rose Maths 2020
Answers
1 15° plus or minus 2° 2 Teddy didn’t start measuring from zero.
3 There are 90° in a right angle or quarter turn. Angles on a straight line add up to 180°.
4 65° plus or minus 2°5 226°6 90 + 45 = 135
a = 135°7 A triangular prism has 5 faces.
A triangular prism has 9 edges. A triangular prism has 6 vertices.
8 east or west north-east or south-east north, north-east or east (clockwise) or west, south-west or south (anticlockwise)
9 irregular regular regular
10 line of 5.6 cm accurately drawn using a ruler angle of 40° accurately drawn using 5.6 cm line
11 a = 141° b = 71°
© White Rose Maths 2020
Go
od Effort