Maths Basics
CHAPTER 2 WHOLE NUMBERS
What have we discussed?
1. The number 1, 2, 3… which use for counting are known as natural number. 2. If you add 1 to a natural number, we get its successor, if you subtract 1 from a natural number, you get its predecessor. 3. Every natural number has a successor. Every natural number except 1 has a predecessor. 4. If add the number zero to the collection of the natural numbers, we get the collection of whole numbers. Thus, the number 0, 1, 2, 3… from the collection of whole numbers. 5. Every whole number has a successor. Every whole number expert zero has a predecessor. 6. All natural numbers are whole numbers, but all whole numbers are not natural numbers. 7. We take a line, mark a point on it and label it 0. We than mark out points to the right of 0, at equal intervals. Label them as 1, 2, 3… thus; we have a number line with the whole numbers represented on it. We can easily perfume the number operations of addition, subtraction and multiplication on the number line. 8. Addition corresponds to moving to the right on the number line, whereas subtraction corresponds to moving to the left. Multiplication corresponds to making jumps of equal distance stating from zero. 9. Adding two whole numbers always gives a whole number. Similarly, multiplying two under addition and also under multiplication. However, whole numbers are not closed under subtraction and under division. 10. Division by zero is not defined. 11. Zero is the identity for addition of whole numbers. The whole number 1 is the identity foe multiplication of whole numbers. 12. You can add two in whole numbers in any order. You can multiply two whole numbers in any order. We say that addition and multiplication are commutative for whole numbers. 13. Addition and multiplication, both are associative for whole numbers. 14. Multiplication is distributive over addition for whole numbers. 15. Commutativity,
What have we discussed?
1. The number 1, 2, 3… which use for counting are known as natural number. 2. If you add 1 to a natural number, we get its successor, if you subtract 1 from a natural number, you get its predecessor. 3. Every natural number has a successor. Every natural number except 1 has a predecessor. 4. If add the number zero to the collection of the natural numbers, we get the collection of whole numbers. Thus, the number 0, 1, 2, 3… from the collection of whole numbers. 5. Every whole number has a successor. Every whole number expert zero has a predecessor. 6. All natural numbers are whole numbers, but all whole numbers are not natural numbers. 7. We take a line, mark a point on it and label it 0. We than mark out points to the right of 0, at equal intervals. Label them as 1, 2, 3… thus; we have a number line with the whole numbers represented on it. We can easily perfume the number operations of addition, subtraction and multiplication on the number line. 8. Addition corresponds to moving to the right on the number line, whereas subtraction corresponds to moving to the left. Multiplication corresponds to making jumps of equal distance stating from zero. 9. Adding two whole numbers always gives a whole number. Similarly, multiplying two under addition and also under multiplication. However, whole numbers are not closed under subtraction and under division. 10. Division by zero is not defined. 11. Zero is the identity for addition of whole numbers. The whole number 1 is the identity foe multiplication of whole numbers. 12. You can add two in whole numbers in any order. You can multiply two whole numbers in any order. We say that addition and multiplication are commutative for whole numbers. 13. Addition and multiplication, both are associative for whole numbers. 14. Multiplication is distributive over addition for whole numbers. 15. Commutativity,