Plan for Problem-solvingSection 0-1

Problem-Solving PlanStep 1 Understand the problem

Step 2 Plan the solution

Step 3 Solve the problem

Step 4 Check your solution

When planning to solve, choose a variable to represent one of the unspecific numbers in the problem. This means defining a variable.

Ling’s hallway is 10 feet long a 4 feet wide . He paid $200.00 to tile his hallway floor. How much did Ling pay per square foot for the tile?

Understand

Plan

Solve

Check

Emily’s family drove 254.6 miles. Their car used 19 gallons of gasoline. Describe the car’s gas mileage.

Understand

Plan

Solve

Check

Emily’s family drove 254.6 miles. Their car used 19 gallons of gasoline. Describe the car’s gas mileage. You can pick more than one answer.

20%

20%

20%

20%

20%

13.4 mpg About 13 mpg About 14 mpg 0.074 mpg 4837.4 mpg

Countdown

90

A. 13.4 mpgB. About 13 mpgC. About 14 mpgD. 0.074 mpgE. 4837.4 mpg

A used book store had a sale on all paperbacks for $0.45 each. The store had $72.45 in sales. How many books did the store sell?

Understand

Plan

Solve

Check

A used book store had a sale on all paperbacks for $0.45 each. The store had $72.45 in sales. How many books did the store sell?

20%

20%20%

20%

20%

160 books 33 books 161 books 62 books 145 books

Countdown

90

A. 160 booksB. 33 booksC. 161 booksD. 62 booksE. 145 books

Homework Section 0-1 P6 problems 1-

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