Page 191 - ICSE Math 4

Example 6: Complete the given shape pa ern by iden fying the pa ern rule.

Solu on:

20 dots 15 dots 10 dots
–5 dots –5 dots –5 dots

Observe that the pa ern rule here is to start from 20 dots and subtract
5 dots each me.

So, the pa ern will be:

Exercise 14.3

1. Find the next number of the following pa erns and write the rule.
(a) 13, 26, 39, 52, ________ (b) 100, 90, 80, 70, ________

(c) 34, 27, 20, 13, ________ (d) 7, 12, 17, 22, ________

(e) 20, 40, 80, 160, ________ (f) 810, 270, 90, 30, ________

2. Complete the given shape pa erns by iden fying the pa ern rule.

(a) ________ ________ ________

(b) ________ ________ ________

(c) ________ ________ ________

(d) ________ ________ ________

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