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Mathematics Basics: Whole Numbers, Addition, Multiplication, Division, and BODMAS

Learn the fundamentals of whole numbers including addition, multiplication with examples. Understand long multiplication and division techniques, and practice the order of operations with BODMAS. Master essential math skills!

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Mathematics Basics: Whole Numbers, Addition, Multiplication, Division, and BODMAS

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  1. Chapter 1 Whole Numbers

  2. Addition • Remember addition sums must be in columns • Remember subtraction sums must be in columns

  3. 754 + 34 431 + 834 + 129 745 + 657 + 2 + 43 645 – 321 7243 – 678 10 000 – 9874 Examples

  4. Multiplication • Remember when multiplying by 10 add on 0 • Remember when multiplying by 100 add on 00 • Remember when multiplying by 1000 add on 000

  5. 4378 × 4 46 × 20 4752 × 9 89 × 200 132 × 100 384 × 10 250 × 50 632 × 80 Examples

  6. Put down a 0 and multiply by the 2nd digit Multiply by the 1st digit Add the two answers together Examples 23 × 34 23 × 73 356 × 65 276 × 45 5632 × 54 Long Multiplication

  7. Division • Remember when dividing by 10 remove 0 or move decimal point back 1 time • Remember when dividing by 100 remove 00 or move decimal pointback 2 times

  8. 882 / 7 1470 / 6 2763 / 9 80 560 / 4 7590 / 30 7530 / 30 45 600 / 100 329 600 / 800 Examples

  9. Brackets Order Divide Multiply Add Subtract Examples 4 + (7 – 3) 36 / (5 + 4) (9 + 5) * (9 – 5) (6 * 3 – 2) / (2* 2) 12 / (11 – 8) – 3 BODMAS

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