Four Square Problem Solving

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Four Square Problem Solving
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Problem Solving Using Four Square
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• 1. Understand
• a. Box or highlight the question, and circle
  the most important word
• b. Underline the information needed to solve

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1. Understand the Problem

• Luis earned 14 Accelerated Reading points the
  first week of November. At the end of the
  following week he had a total of 31 points. How
  many points did he earn the second week?

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2. Plan (Pick a tool to help you solve) a.
Write an equation b. Solve a simpler problem or
model c. Create a table/graph and look for
patterns d. Make an organized list e. Set up a
proportion f. Substitute real numbers for
variables g. Work backwards h. Guess and check
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2. PlanWrite an Equation

• Luis earned 14 Accelerated Reading points the
• first week of November. At the end of the
  following
• week he had a total of 31 points. How many
• points did he earn the second week?

Total 31
1st week 14
2nd week ?
Since both weeks total 31, I write 14 s 31
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3. Solve / Evaluate
14 s 31 What number can I add to 14 to get
31? 7? 17?
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• 4. Check
• Does the answer make sense?
• Is it reasonable?
• b. Double-check your
• computation
• c. Label your answer!!!
• 14 7 21
• 14 17 31 YES!

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Problem Solving Using Four Square
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Lets try one
Mr. Lovell is getting ready for school. He can
choose from 3 pairs of pants and 4 different
shirts. How many different outfits can he make?
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Your homework

• Pick any problem on page 202
• Complete an UPSCheck

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A local market buys oranges at 3 for 12 cents and
sells them at 5 for 25 cents. How many oranges
must it sell in order to make a profit of 1.00?
Use the 4 square problem solving grid to solve