This chapter deals mostly with the measurement of line segments, angles and their types, triangles and their classifications, polygons, quadrilaterals, and solid forms.
Several important geometric terms that hold extreme importance in later grades are included in this chapter. The topics introduced will not only help build a foundation in geometry but will also help to easily grasp the higher-level concepts in the later grades. The main themes covered here are - basic geometry, polygons, triangles and quadrilateral.
Playing with Numbers comprises different fundamental concepts for building a solid conceptual foundation. In this chapter, you will be learning various concepts like factors and multiples, composite and prime numbers, common factors and common multiples, prime factorization, highest common factor (HCF) and lowest common factor (LCM).
In mathematics, the whole number set is the most basic number set. This set contains the counting numbers 1, 2, 3,… and the number 0. This chapter begins with the discussion of the definition of whole numbers and natural numbers. You will be learning to differentiate between the whole numbers and the natural numbers. It teaches you that all whole numbers cannot be natural numbers, but all natural numbers are whole numbers.
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