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Arrow-Puffin-1_Semester-2 Maths 145Let us look at the patterns formed by nature.These form a pattern.Day Night Day NightINTERESTING PATTERNSA pattern is a definite order or sequence of an object. I. Observe and colour the pattern in each group.1)2)3)4)5)Let's Understand Conceptual Understanding Let's Practise 18.1 Application