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Lesson eLearning

Find the 5th term of the pattern: $4, 8, 12, 16, l d o t s$

easy 2 marks Class 5 · Mathematics · Can You See the Pattern

Answer

20

The correct answer is 20 — Thus the 5th term is $20$

Step-by-step solution

Recognise that each term increases by $4$
Write the general term as $a_{n} = 4 + (n - 1) \times 4 = 4 n$
Substitute $n = 5$ : $a_{5} = 4 \times 5 = 20$
Thus the 5th term is $20$

Common mistake: Assuming the pattern changes after a few terms

Concept tested: Arithmetic progression with common difference 4

Published 4 October 2026 · How this solution was prepared and checked

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