order of operations ppt lesson

Essential Questions:

How does order relate to our everyday life? So what? Why does order matter?

Is order often found in nature? What are some examples?

How is order applied in the larger world? (i.e.….development & safety for towns & cities, etc.)

How are the order of operations and algebraic modeling important in everyday life?

When you get dressed, do you put on your shoes or socks first? Why? Explain your thinking.

When you get dressed, do you put on your shoes or socks first? Why? Explain your thinking.

When you make cereal, do you fill the bowl with milk or cereal first? Why? Explain your thinking.

When you make cereal, do you fill the bowl with milk or cereal first? Why? Explain your thinking.

In our lives and in math, we need to do things in a certain order to make sure they turn out right.

Try to come up with three or more examples from your life? Write these

in your notebook.

In our lives and in math, we need to do things in a certain order to make sure they turn out right.

Try to come up with three or more examples from your life? Write these

in your notebook.

In your math notebook, make a list…

What do you know about Order of Operations?

List as many things as you can!

In your math notebook, make a list…

What do you know about Order of Operations?

List as many things as you can!

Compare your list with your neighbor’s list. Can you add anything to your list?Compare your list with your neighbor’s list. Can you add anything to your list?

In your group, try this problem:

8 + 3 x 4 =

(One person should use the blue calculator and the other person should use the smaller calculator.)

Is the answer….

44 or 20

Why did some people get different answers?

Order of OperationsOrder of Operations

Parenthesis or Grouping Symbols

ExponentsMultiplication and DivisionAddition and Subtraction

Parenthesis or Grouping Symbols

ExponentsMultiplication and DivisionAddition and Subtraction

1st

2nd

3rd

4th

Click on the links below to learn more about the Order of Operations

Click on the links below to learn more about the Order of Operations

Please Excuse My Dear Aunt Sally

Order of Operations #1

Order of Operations #2

Order of Operations #3

Please Excuse My Dear Aunt Sally

Order of Operations #1

Order of Operations #2

Order of Operations #3

Click on the links below for extra practice on the Order of Operations

Click on the links below for extra practice on the Order of Operations

Tutorial and Pretest

Math.com

Tutorial and Pretest

Math.com

Discuss the following problem with your table partner:

Discuss the following problem with your table partner:

14 + 5 X 2Is the correct answer

38 or 24?Explain your thinking to one another

&come to an agreement.

-Be prepared to share your ideas with the rest of the class.

14 + 5 X 2Is the correct answer

38 or 24?Explain your thinking to one another

&come to an agreement.

-Be prepared to share your ideas with the rest of the class.

Independent Practice:

Using the bag of cards, take turns creating a numericexpression using at least two different operations or more.

Write down the problems your group created in your notebook.

Then, solve each one and discuss your answers.

EXIT SLIPOn a separate piece of paper, complete the following problems.

Please turn in your paper before you exit the room.

EXIT SLIPOn a separate piece of paper, complete the following problems.

Please turn in your paper before you exit the room.

1. Solve this expression using order of operations:7 X (8 – 6) + 3 = ?

2. How does the order in which you do the operations affect your answer?

3. Why do we need to agree on an order of operations?

1. Solve this expression using order of operations:7 X (8 – 6) + 3 = ?

2. How does the order in which you do the operations affect your answer?

3. Why do we need to agree on an order of operations?

Independent Practice Assignment:

Turn to pg. 95 in your textbook. Do problems1-8 on notebook paper.