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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
- 4) ( 5 x 6)2÷ 9 + (6 ÷ 3)3

SOLUTIONS

- (10 ÷ 5) × 25 – 14
- (2) x 25 – 14
- 50 – 14
- 36

SOLUTION

- 5 × 15 + (10 × 5)
- 5 x 15 + 50
- 75 + 50
- 125

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

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

LESSON 2b

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.

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

EXAMPLE 1

- Evaluate this arithmetic expression
- 18 + 36 ÷ 32
- SOLUTION:

EXAMPLE 1

- Evaluate this arithmetic expression
- 18 + 36 ÷ 32
- SOLUTION:

EXAMPLE 1

- Evaluate this arithmetic expression
- 18 + 36 ÷ 32
- SOLUTION:

EXAMPLE 2

- Evaluate 52 x 24
- Solution:

EXAMPLE 2

- Evaluate 52 x 24
- Solution:

EXAMPLE 2

- Evaluate 52 x 24
- Solution:

EXAMPLE 2

- Evaluate 52 x 24
- Solution:

EXAMPLE 3

- EVALUATE 289 – (3 X 5)2

EXAMPLE 3

- EVALUATE 289 – (3 X 5)2
- SOLUTION:

EXAMPLE 3

- EVALUATE 289 – (3 X 5)2
- SOLUTION:

EXAMPLE 3

- EVALUATE 289 – (3 X 5)2
- SOLUTION:

EXAMPLE 3

- EVALUATE 289 – (3 X 5)2
- SOLUTION:

EXAMPLE 4

- EVALUATE 8 + (2 x 5) x 34÷ 9

EXAMPLE 4

- EVALUATE 8 + (2 x 5) x 34÷ 9
- SOLUTION:

EXAMPLE 4

- EVALUATE 8 + (2 x 5) x 34÷ 9
- SOLUTION:

EXAMPLE 4

- EVALUATE 8 + (2 x 5) x 34÷ 9
- SOLUTION:

EXAMPLE 4

- EVALUATE 8 + (2 x 5) x 34÷ 9
- SOLUTION:

EXAMPLE 4

- EVALUATE 8 + (2 x 5) x 34÷ 9
- SOLUTION:

EXAMPLE 4

- EVALUATE 8 + (2 x 5) x 34÷ 9
- SOLUTION:

YOU TRY THESE

- 1) 32 x 43
- 2) 27 – 256 ÷ 43
- 3) 9 x (5 + 3)2 – 144
- 4) 7 + 3 x 24 ÷ 6

1) 32 x 43

- Solution:

2) 27 – 256 ÷ 43

- Solution:

3) 9 x (5 + 3)2 – 144

- Solution:

4) 7 + 3 x 24 ÷ 6

- Solution:

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