A shape has four equal sides and four right angles. What is the name of this shape?
(1)
2
A small gift box is shaped like a cube. How many flat faces does the cube have?
(1)
3
A triangular prism is shown in a toy set. How many vertices (corners) does a triangular prism have?
(1)
4
How many lines of symmetry does an equilateral triangle have?
(1)
5
Is a rectangle a regular polygon? Explain your answer.
(2)
6
An angle measures 90 degrees. Is this a right angle? Tick the correct answer: Yes or No.
Yes
No
7
On a sheet of paper the top edge is horizontal. Is the left edge horizontal or vertical?
horizontal
vertical
8
Line A and line B are shown on a ruler. They never meet, and the distance between them stays the same along their length. Are the lines parallel? Explain your answer.
(2)
9
Two lines meet and make a right angle. Are these lines perpendicular? Write Yes or No.
Yes
No
10
How many edges does a cuboid (rectangular prism) have?
(1)
11
A child draws a shape with five straight sides. What is the name of this 2D shape?
(1)
12
Which of these shapes always has right angles: square or rhombus? Explain your answer.
(2)
13
A toy model is a square-based pyramid. How many faces, edges and vertices does a square-based pyramid have? Give each answer.
(a)Number of faces(1)
(b)Number of edges(1)
(c)Number of vertices(1)
14
A shape has six equal square faces and looks like a dice. What 3D shape is this? Explain why each face is the same shape.
(2)
15
Is a circle a polygon? Explain your answer. In your explanation say whether a circle has straight sides and how this compares to polygons.
(2)
16
Drawn on a page are two lines that meet and form four angles. One of the angles is 90 degrees. How many of the angles are 90 degrees?
(1)
17
A rectangle measures 6 cm by 3 cm. How many right angles are inside the rectangle altogether? Give a reason.
(2)
18
Priya draws two lines that cross like a plus sign. Are these lines perpendicular and do they make right angles? Explain your answer.
(2)
Mark scheme · KS2.M-Y3G1 Geometry: Shapes, Angles and Lines
Question 1
B1 square cao
Answer: square
Question 2
B1 6 cao
Answer: 6
Question 3
B1 6 cao
Answer: 6
Question 4
B1 3 cao
Answer: 3
Question 5
B1 Correct identification (No) cao
B1 Reason that a rectangle does not have all sides equal oe
Answer: No; a rectangle can have opposite sides equal but not all four sides equal
Question 6
B1 Yes cao
Answer: Yes
Question 7
B1 vertical cao
Answer: vertical
Question 8
B1 Correct identification (Yes) cao
B1 Reason that they never meet and remain the same distance apart oe
Answer: Yes; they never meet and stay the same distance apart
Question 9
B1 Yes cao
Answer: Yes
Question 10
B1 12 cao
Answer: 12
Question 11
B1 pentagon cao
Answer: pentagon
Question 12
B1 Square identified cao
B1 Reason that a square has four right angles while a rhombus may not have right angles oe
Answer: Square; because a square has four right angles but a rhombus does not have to
Question 13
(a) B1 5 cao
(a) Answer: 5
(b) B1 8 cao
(b) Answer: 8
(c) B1 5 cao
(c) Answer: 5
Question 14
B1 Cube identified cao
B1 Reason that each face is a square and all faces are equal in size oe
Answer: Cube; all faces are squares and equal in size
Question 15
B1 Correct identification (No) cao
B1 Reason that a circle has no straight sides while polygons are made of straight sides oe
Answer: No; a circle has a curved edge and no straight sides, unlike polygons which have straight sides
Question 16
B1 4 cao
Answer: 4
Question 17
B1 4 identified cao
B1 Reason that each corner is a right angle oe
Answer: 4; each of the four corners is a right angle
Question 18
B1 Yes identified cao
B1 Reason that they meet at right angles and make right angles oe
Answer: Yes; they meet at right angles and so form right angles