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Properties of Whole Numbers - Closure Property of Whole Number

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Closure Property of Whole Number:

7 + 8 = 15, a whole number
5 + 5 = 10, a whole number
7 × 8 = 56, a whole number
0 × 15 = 0, a whole number
  • Adding two whole numbers always gives a whole number.
  • Similarly, multiplying two whole numbers always gives a whole number
  • Whole numbers are closed under addition and also under multiplication.
6 – 2 = 4, a whole number
7 – 8 = - 1, not a whole number
3 – 9 = - 3, not a whole number
12 ÷ 3 = 4, a whole number
5 ÷ 7 = `5/7`, not a whole number
6 ÷ 5 = `6/5`, not a whole number
  • Subtraction and division of any two whole numbers may or may not give a whole number.
  • Whole numbers are not closed under subtraction and division.
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