 # Order of Operations - PEMDAS

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

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

Step 1: First, perform the operations within the 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 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.

20 × 24 – 14 =

9 × 25 + 5 =

15 + 20 - 2 + 25 =

6 ÷ 3 × 12 × 12 =

9 - 8 + 8 × 11 =

(8 × 25) + 15 + 25 =

6 ÷ 3 + 20 – 21 =

20 - 18 + 4 =

17 × 13 × 9 =

13 × 24 + 24 =

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