Lesson 1-1 Pages 6-8

The “Four-Step Plan”.1. Explore (Read)

2. Plan (Decide)

3. Solve (Do)

4. Examine (Check) Lesson Check 1-0

What you will learn!

How to solve problems using the four-step plan.

The “Four Steps”:

1. Explore (Read): Get a general understanding of the problem.

2.Plan (Decide): Make a plan to solve the problem.

3. Solve (Do): Carry out your plan.

4.Examine (Check): Check if you answer makes sense.

Problem Solving Strategies (Plans)

Guess and CheckGuess and Check Use a graphUse a graph

Look for a patternLook for a pattern Work BackwardWork Backward

Make an organized listMake an organized list Eliminate possibilitiesEliminate possibilities

Draw a diagramDraw a diagram Estimate reasonable Estimate reasonable answersanswers

Act it outAct it out Use logical reasoningUse logical reasoning

Solve a simpler Solve a simpler problemproblem Make a modelMake a model

Example 1

A can of soda holds 12 fluid ounces. A 2-liter bottle holds about 67 fluid ounces. If a pack of six cans costs the same as a 2-liter bottle, which is the better buy?

Six cans

Example 2

For every 100,000 people in the U.S., there are 5,750 I-pods. For every 100,000 people in Canada, there are 323 I-pods. If a city in the U.S. and Canada both have about 200,000 residents, how many more I-pods are there in the U.S. city?

10,854

Page 8

Guided Practice

#’s 4-5Link to Pre-Made Lesson

Pages 6-8 with someone at home

and study examples!

Read:

Homework: Page 9

#’s6-8, 10-11, 13-18

Lesson Check 1-1

Page

564

Lesson 1-1