102_How do I know which math operation to do to solve a math problem?

To help us review the steps to solve math problems, you are going to do a matching game in your small groups.. Look at your work system and get out your blue folder.. You should work in

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How do I know which math operation to do to solve a

math problem?

Miss Hartgrove Hanes Middle School

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Lesson Outline

Today we are going to:

• Review the Four Step Plan to Solve Math

Problems

• Identify the four math operations

• Identify clue words that tell us which math

operation we need to use

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Review

Yesterday we talked about the four step plan to

solving math problems To help us review the steps to solve math problems, you are going to do a matching game in your small groups

Look at your work system and get out your

blue folder You should work in your small groups to put the steps in order

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What is a math operation?

• Addition

• Subtraction

• Multiplication

• Division

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When you are asked to identify a

math operation, you are being asked if you should add, subtract,

multiply, or divide!

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Why do we need to learn math

clue words?

Word problems do not specifically tell us to

add, subtract, multiply, or divide

We need to know the clue words so we can

determine if we should add, subtract, multiply, or divide

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I should add when I see…

• Sum

• Total

• Increased by

• Together

• Altogether

• Both

• In all

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I should subtract when I see…

• Decreased by

• Minus

• Difference

• How many more

• How much more

• Take away

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I should multiply when I see…

• Of

• Times

• Product of

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I should divide when I see…

• Per

• Quotient of

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Let’s practice

Using the multiple choice cards, you should

work with your group to identify the math operation that matches the clue word

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How many more

A Addition

B Subtraction

C Multiplication

D Division

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Per

A Addition

B Subtraction

C Multiplication

D Division

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Product of

A Addition

B Subtraction

C Multiplication

D Division

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altogether

A Addition

B Subtraction

C Multiplication

D Division

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Let’s Practice

To see how many of the clue words you

remember, you are going to complete a

fill-in-the-blank activity The fill-in-fill-in-the-blank activity

is in your yellow folder.

The completed activity will be used as a

resource for you as we solve math problems

throughout the year.

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Match Time!

You are going to work with your small group

to complete a matching activity In the

envelope you will find two sets of cards

Some of the cards will have math operations

written on them Other cards will have

sentences from word problems that contain

some of the clue words You are going to

match the clue words to the math operation