Unit 13 Section 1 : Pictorial Logic
In this section we will see how to continue patterns involving simple shapes.
Example Question
Continue these two patterns by drawing the next 5 shapes in each case:
Draw your answers out on paper then compare them with the solutions below.
Solution
In part (a), the pattern consists of four shapes which repeat.
To extend the pattern, we simply need to think about what five shapes would appear next:
Original pattern:  
Extended pattern:  
In part (b), the pattern is made up of triangles with squares inbetween. The number of squares separating each triangle is
increasing at each stage. The pattern can be extended by adding four squares and another triangle:
Original pattern:  
Extended pattern:  
Exercises
Work out the answers to the questions below and fill in the boxes. Click on the
button to find out whether you have answered correctly. If you are right
then will appear and you should move on to the next
question. If appears then your answer is wrong. Click
on to clear your original answer and have another go.
If you can't work out the right answer then in some cases you can click on
to see
the answer.

In some of these questions you need to continue patterns using shapes. By repeatedly clicking on the "Click here" boxes,
a variety of shapes will be displayed. If you pass the shape you wanted, keep clicking (the shapes repeat).

Question 1
Add the next five shapes to each of the repeating patterns below:
(a)
(b)
(c)
(d)
You have now completed Unit 13 Section 1
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Produced by A.J. Reynolds January 2001