Mathematics Chapter Two Lesson Four

Order Of OperationsMathematics Matrix Grant

Alyssa

Directions

• Step 1: You have to type a number sentence in a row, for example:

285+93÷(3−2)x3x4²

PEMDAS

• Then you have to write PEMDAS on top of the number sentence. That means:

• Parentheses• Exponents• Multiplication• Division• Addition• Subtraction• An easy way to remember the

steps is by this saying:Please Excuse My Dear Aunt Sally.

Parentheses

Then you have to rewrite the number sentence until you get to the parentheses. Then solve what is in the parentheses. 285+93÷1x3x4²The 1 is the answer in the parentheses.You have to subtract 3-2. Which is 1.

Exponents

Then you have to check if there is any exponents. If there is then you have to solve.285+93÷1x3x16The 16 is the answer for the exponents.You have to do 4x4. Which is 16.

Division

Then you have to check if there is division or multiplication. Which ever one comes first in the number sentence. 285+93x3x1693 is the answer for division.You have to do 93÷1. Which is 93.

Multiplication

Then you have to do multiplication.

285+279x16.

279 is the answer for the multiplication.

Then you have to multiply 93x3. Which is 279.

Multiplication Continued

Then you have to do multiplication again because there is still multiplication in the number sentence.

285+4464

4464 is the answer for the other multiplication.

Then you have to multiply 279x16. Which is 4464.

Addition

• Now you have to solve what is left.

285+4464=

Answer

• Now you write the answer:

4749 is the answer for the problem.