Order of Operations - BEDMAS or PEMDAS



Objective: I know how to perform mixed operations with brackets or parenthesis, exponents, multiplication, division, addition, and subtraction.


If the calculations involve a combination of brackets or parenthesis, exponents, multiplication, division, addition, and subtraction then

Step 1: First, perform the operations within the brackets or parenthesis

Step 2: Second, evaluate the exponents.

Step 3: Third, perform multiplication and division from left to right.

Step 4:Fourth, perform addition and subtraction from left to right.

Example:

Calculate 23 – 3 × (8 – 6) =

Solution:

23 – 3 × (8 – 6) (perform within brackets or parenthesis)
= 23 – 3 × 2 (evaluate the exponent)
= 8 – 3 × 2(perform multiplication)
= 8 – 6 (perform subtraction)
= 2

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Calculate the following.

8 + 9 – 7 =

15 × 13 + 25 × 6 =

25 - 10 + 9 =

(16 × 9) × 15 =

12 + (6 ÷ 2) =

21 + 4 × 12 =

16 ÷ 2 + 3 =

12 ÷ 2 × (8 ÷ 2) =

8 ÷ 2 × 24 =

20 + (12 × 19) =

 



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