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ORDER OF OPERATIONS

ORDER OF OPERATIONS. LESSON 2a. BEDMAS. B – Brackets E – Exponents D – Division from left to right M – Multiply from left to right A – Add from left to right S – Subtract from left to right. TRY THESE. 1) (10 ÷ 5) × 25 - 14 2) 5 × 15 + (10 × 5) 3) (13 × 20) + 2 + 2 × 20 + 12 + 15

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ORDER OF OPERATIONS

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  1. ORDER OF OPERATIONS LESSON 2a

  2. BEDMAS • B – Brackets • E – Exponents • D – Division from left to right • M – Multiply from left to right • A – Add from left to right • S – Subtract from left to right

  3. TRY THESE • 1) (10 ÷ 5) × 25 - 14 • 2) 5 × 15 + (10 × 5) • 3) (13 × 20) + 2 + 2 × 20 + 12 + 15 • 4) ( 5 x 6)2÷ 9 + (6 ÷ 3)3

  4. SOLUTIONS • (10 ÷ 5) × 25 – 14 • (2) x 25 – 14 • 50 – 14 • 36

  5. SOLUTION • 5 × 15 + (10 × 5) • 5 x 15 + 50 • 75 + 50 • 125

  6. SOLUTION • (13 × 20) + 2 + 2 × 20 + 12 + 15 • 260 + 2 + 2 x 20 + 12 + 15 • 260 + 2 + 40 + 12 + 15 • 262 + 40 + 12 + 15 • 302 + 12 + 15 • 314 + 15 • 329

  7. SOLUTION • ( 5 x 6)2÷ 9 + (6 ÷ 3)3 • (30)2 ÷ 9 + (6 ÷ 3)3 • (30)2÷ 9 + (2)3 • 900 ÷ 9 + (2)3 • 900 ÷ 9 + 8 • 100 + 8 • 108

  8. ORDER OF OPERATIONS LESSON 2b

  9. RULES TO FOLLOW • Rule 1:  Simplify all operations inside parentheses. • Rule 2:  Simplify all exponents, working from left to right. • Rule 3:  Perform all multiplications and divisions, working from left to right. • Rule 4:  Perform all additions and subtractions, working from left to right.

  10. BEDMAS • B – Brackets • E – Exponents • D – Division from left to right • M – Multiply from left to right • A – Add from left to right • S – Subtract from left to right

  11. EXAMPLE 1 • Evaluate this arithmetic expression • 18 + 36 ÷ 32 • SOLUTION:

  12. EXAMPLE 1 • Evaluate this arithmetic expression • 18 + 36 ÷ 32 • SOLUTION:

  13. EXAMPLE 1 • Evaluate this arithmetic expression • 18 + 36 ÷ 32 • SOLUTION:

  14. EXAMPLE 2 • Evaluate 52 x 24 • Solution:

  15. EXAMPLE 2 • Evaluate 52 x 24 • Solution:

  16. EXAMPLE 2 • Evaluate 52 x 24 • Solution:

  17. EXAMPLE 2 • Evaluate 52 x 24 • Solution:

  18. EXAMPLE 3 • EVALUATE 289 – (3 X 5)2

  19. EXAMPLE 3 • EVALUATE 289 – (3 X 5)2 • SOLUTION:

  20. EXAMPLE 3 • EVALUATE 289 – (3 X 5)2 • SOLUTION:

  21. EXAMPLE 3 • EVALUATE 289 – (3 X 5)2 • SOLUTION:

  22. EXAMPLE 3 • EVALUATE 289 – (3 X 5)2 • SOLUTION:

  23. EXAMPLE 4 • EVALUATE 8 + (2 x 5) x 34÷ 9

  24. EXAMPLE 4 • EVALUATE 8 + (2 x 5) x 34÷ 9 • SOLUTION:

  25. EXAMPLE 4 • EVALUATE 8 + (2 x 5) x 34÷ 9 • SOLUTION:

  26. EXAMPLE 4 • EVALUATE 8 + (2 x 5) x 34÷ 9 • SOLUTION:

  27. EXAMPLE 4 • EVALUATE 8 + (2 x 5) x 34÷ 9 • SOLUTION:

  28. EXAMPLE 4 • EVALUATE 8 + (2 x 5) x 34÷ 9 • SOLUTION:

  29. EXAMPLE 4 • EVALUATE 8 + (2 x 5) x 34÷ 9 • SOLUTION:

  30. YOU TRY THESE • 1) 32 x 43 • 2) 27 – 256 ÷ 43 • 3) 9 x (5 + 3)2 – 144 • 4) 7 + 3 x 24 ÷ 6

  31. 1) 32 x 43 • Solution:

  32. 2) 27 – 256 ÷ 43 • Solution:

  33. 3) 9 x (5 + 3)2 – 144 • Solution:

  34. 4) 7 + 3 x 24 ÷ 6 • Solution:

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