ProblemSolving

By Rosi Barron

Problem Solving Process

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•Fifth Grade Problem Solving: Using the Problem Solving Process

•Tips:-Teachers, please read through the whole presentation prior to the activity.-Each activity is meant to be used in addition to your classroom teaching.-Each activity includes a journal component.

•Objective: TSW will solve problems by using the problem solving process.

•Understanding the problem,

•Creating a plan,

•Implementing the plan, and

•Reflecting on the process.Each time you see the journal paper you will need

to write in your Math Journal.

Use the Problem Solving Process to solve the following

puzzles.Puzzle #1: Which numbers replace the question marks?A: 5 3 10 6 15 ? 20

B: 3 6 ? 15 21

C: 2 6 ? 54 162 486

•Understanding the problem

What is the puzzle

asking you to do?

Did you say? Replace the question marks with numbers that will complete each pattern.

GOOD FOR YOU!

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•Creating a plan

What kind of plan

would you use?

Did you say? Find the relationship between the other numbers in each line.

EXCELLENT!

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•Implementing the plan

How would you put your

plan to work?

Did you say? Check to see how much difference there is between the existing numbers and if a pattern occurs.

GREAT IDEA!

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•Reflecting on the process

How would you explain the process?

Did you say? Write the entire step-by-step process and describe an alternate plan or how you could make your plan better.

JOB WELL DONE!Click to see the answers ---

>

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ANSWERS:A: 5 3 10 6 15 ? 20

B: 3 6 ? 15 21

C: 2 6 ? 54 162 486

A: 9. Subtract 2, add 7, subtract 4, add 9, subtract 6, & add 11.

B: 10. Add 3, 4, 5, and 6.

C: 18. Multiply each number by 3. Go on to puzzle #2 ----->

Puzzle #2: What numbers should surround the fourth

triangle?20 15

10

?

6 12

18

?

2 4

8 ?

Use the Problem Solving Process --->

•Understanding the problem,

•Creating a plan,

•Implementing the plan, and

•Reflecting on the process.Click to see the questions

you should ask yourself ----->

•What is the puzzle asking?

•What is my plan?

•How do I use my plan?

•How do I explain and make my plan better?

QUESTIONS:

Click to see the answers --->

5

24 16

ANSWERS:

The right number doubles; the left number goes up by 6 and the top number goes down by 5.

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CONGRATULATIONS!