Order of operations
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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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Bedmas
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
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
SOLUTIONS

  • (10 ÷ 5) × 25 – 14

  • (2) x 25 – 14

  • 50 – 14

  • 36


Solution
SOLUTION

  • 5 × 15 + (10 × 5)

  • 5 x 15 + 50

  • 75 + 50

  • 125


Solution1
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


Solution2
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



Rules to follow
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.


Bedmas1
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
EXAMPLE 1

  • Evaluate this arithmetic expression

  • 18 + 36 ÷ 32

  • SOLUTION:


Example 11
EXAMPLE 1

  • Evaluate this arithmetic expression

  • 18 + 36 ÷ 32

  • SOLUTION:


Example 12
EXAMPLE 1

  • Evaluate this arithmetic expression

  • 18 + 36 ÷ 32

  • SOLUTION:


Example 2
EXAMPLE 2

  • Evaluate 52 x 24

  • Solution:


Example 21
EXAMPLE 2

  • Evaluate 52 x 24

  • Solution:


Example 22
EXAMPLE 2

  • Evaluate 52 x 24

  • Solution:


Example 23
EXAMPLE 2

  • Evaluate 52 x 24

  • Solution:


Example 3
EXAMPLE 3

  • EVALUATE 289 – (3 X 5)2


Example 31
EXAMPLE 3

  • EVALUATE 289 – (3 X 5)2

  • SOLUTION:


Example 32
EXAMPLE 3

  • EVALUATE 289 – (3 X 5)2

  • SOLUTION:


Example 33
EXAMPLE 3

  • EVALUATE 289 – (3 X 5)2

  • SOLUTION:


Example 34
EXAMPLE 3

  • EVALUATE 289 – (3 X 5)2

  • SOLUTION:


Example 4
EXAMPLE 4

  • EVALUATE 8 + (2 x 5) x 34÷ 9


Example 41
EXAMPLE 4

  • EVALUATE 8 + (2 x 5) x 34÷ 9

  • SOLUTION:


Example 42
EXAMPLE 4

  • EVALUATE 8 + (2 x 5) x 34÷ 9

  • SOLUTION:


Example 43
EXAMPLE 4

  • EVALUATE 8 + (2 x 5) x 34÷ 9

  • SOLUTION:


Example 44
EXAMPLE 4

  • EVALUATE 8 + (2 x 5) x 34÷ 9

  • SOLUTION:


Example 45
EXAMPLE 4

  • EVALUATE 8 + (2 x 5) x 34÷ 9

  • SOLUTION:


Example 46
EXAMPLE 4

  • EVALUATE 8 + (2 x 5) x 34÷ 9

  • SOLUTION:


You try these
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 3 2 x 4 3
1) 32 x 43

  • Solution:


2 27 256 4 3
2) 27 – 256 ÷ 43

  • Solution:


3 9 x 5 3 2 144
3) 9 x (5 + 3)2 – 144

  • Solution:


4 7 3 x 2 4 6
4) 7 + 3 x 24 ÷ 6

  • Solution:


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