Knowing Our Numbers

Topics covered:
  1. Comparing numbers
  2. Formation of numbers using given digits
  3. Place and face value
  4. Number system
  5. Conversion of one unit to another
  6. Estimation by rounding off
  7. Use of brackets
  8. Roman numerals

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Whole Numbers

Topics covered: 1) Introduction to number line a) Representation b) Addition and subtraction c) Multiplication 2) Properties of whole numbers a) Closure property b) Commutativity c) Associativity 3) Patterns in whole numbers

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PLAYING WITH NUMBERS

Topics covered: 1) Factors and multiples 2) Prime and composite numbers 3) Divisibility test of numbers 4) Common factors and multiples 5) Prime factorization 6) HCF 7) LCM 8) General form of numbers 9) Finding digits of numbers 10) Divisibility tests

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Integers

Topics covered: 1) Integers a) What are integers b) Representation on number line c) Ordering 2) Addition on number line 3) Subtraction on number line 4) Addition and subtraction of integers a) Closure under addition and subtraction b) Commutative property c) Associative property d) Additive identity 5) Multiplication of integers 6) Properties of multiplication a) Closure under multiplication b) Commutative property c) Multiplication by zero d) Multiplicative identity e) Associativity f) Distributive 7) Division of integers

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