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E.P.S.E Problem Solving Model

E.P.S.E Problem Solving Model. E xplore P lan S olve E xamine. Created by: Missler , Quinby , Shoecraft and Yaccino PowerPoint by: Salazar. E.P.S.E Problem Solving Model. EXAMPLE!!. E xplore – Fact Finding. Read the whole problem carefully. Reread if necessary.

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E.P.S.E Problem Solving Model

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  1. E.P.S.EProblem Solving Model Explore Plan Solve Examine Created by: Missler, Quinby, Shoecraft and Yaccino PowerPoint by: Salazar

  2. E.P.S.EProblem Solving Model EXAMPLE!!

  3. Explore– Fact Finding • Read the whole problem • carefully. Reread if necessary. • What do you need to find out? (Write the question.) 3. What facts do you need? (List them.)

  4. Plan – How will I solve this problem? 1. Explain what strategy or strategies you will use to solve the problem without using numbers or number words. 2. Estimate when appropriate using your strategy. (You may use numbers here.)

  5. Solve– Find the answer • Use your plan to find the answer. • Show all your work. 3. Rewrite the question (in a complete sentence.) using the answer. 4. Circle the numeric answer in the sentence.

  6. Examine – show or explain why your answer is reasonable. 1. Did you answer the right question(s)? 2. Does your answer make sense? • Compare your estimate to your answer • reverse the operation(s)/solve backwards • use common sense!

  7. The Farells want to buy a VCR that costs $460. They plan to make a down payment of $100 and pay the rest in eight equal payments. What will be the amount of each payment? • Use the EPSE model to solve the following word problem:

  8. Need to find: Strategy: What will be the amount of each payment? Subtract down payment from the cost; then divide into equal payments Facts: VCR cost $460; make down payment of $100; pay rest in 8 equal payments Estimate: (when appropriate) ($500 – $100) ÷ 8 = $50 Did I answer the right question? Show work: yes 460 – 100 = 360 Compare actual answer & estimate 360 ÷ 8 = 45 Actual: $45 Estimate: $50 Word sentence: Does my answer make sense? The amount of each payment will be $45. Yes, because $45 x 8 = $360 and $360 + $100 = $460 and that’s how much the VCR cost.

  9. E.P.S.EProblem Solving Model • Your turn!!  • Take a sheet of paper or use your spiral for notes  • Draw 4 quadrants Like this

  10. Your turn. Mr. Jones just finished his new backyard. How many square meters of grass were needed to cover the area shown in green? The blue square is a fountain. 37 m 20 m 12 m

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