Whole Numbers — Formula Sheet
Gujarat Board · Class 6 · Mathematics
6 formulas from Whole Numbers (Gujarat Board Class 6 Mathematics) on one page, grouped by topic. Includes ADDITION, SUBTRACTION and MULTIPLICATION.
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Formulas and Key Relations
Natural Numbers and Whole Numbers
Whole Numbers = Natural Numbers + Zero. So Whole Numbers are: 0, 1, 2, 3, 4, 5, …
Predecessor and Successor
The SUCCESSOR of any number is the number that comes just AFTER it. Successor = Number + 1.
The PREDECESSOR of any number is the number that comes just BEFORE it. Predecessor = Number – 1.
Operations on the Number Line
ADDITION
To add two numbers on the Number Line, start at the first number and jump the second number of steps to the RIGHT. Example: 3 + 4 = Start at 3, jump 4 steps right → reach 7.
SUBTRACTION
To subtract on the Number Line, start at the first number and jump the number of steps being subtracted to the LEFT. Example: 7 – 5 = Start at 7, jump 5 steps left → reach 2.
MULTIPLICATION
To multiply on the Number Line, start at 0 and make equal jumps to the RIGHT. Example: 3 × 4 means start at 0, make 4 jumps of 3 units each → reach 12. So 3 × 4 = 12.
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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