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There were 34 students in the auditorium before Ms. Forschein’s class arrived with another 28 students. How many students in all were in the auditorium at the end of the day? **Don’t forget to show your work** Warm Up Please complete this problem in as many different ways as you can.

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Problem Solving in Second Grade Agenda 1. Problem Solving Warm-Up 2. What is mathematical Problem Solving? 3. The 4-Step Method 4. Solving story problems with multiple strategies 5. Now You Try 6. Checking your work 7. Questions

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Problem Solving K-2 October 8, 2014 Presented by: Deborah Forschein And Erin Pawlak

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Problem Solving What is Mathematical Problem Solving? When we figure out the solution to a problem by applying strategies and procedures, we are problem solving!!! Why do we teach problem solving skills? Promotes critical thinking Flexibility Test preparation Increase mathematical comprehension Focus on student understanding of the entire problem and not simply repetitive algorithms Student awareness of mathematical processes is in line with the Common Core Standards

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How do we teach kids to problem solve? The 4 Step Method: Step 1 – Find OutStep 2 – Choose Strategies (Make a game plan) *What is happening in the problem? *What do I have to find out to solve the problem? *Are there any words or ideas that I don’t understand? *What information can I use? *Am I missing any information that I need? *Make a plan for solving the problem by choosing a strategy or combination of strategies. Related Vocabulary: Addition: sum, total, in all Subtraction: difference, how much more, exceed Multiplication: product, total, area. Times, equal groups Division: share, distribute, quotient, average, equal groups

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How do we teach kids to problem solve? The 4 Step Method: Step 3 – Solve ItStep 4 – Look Back *Use the strategy that they have chosen to solve the problem *Record their work so that they can see what they have completed *Be flexible. Sometimes a selected strategy might have to be revised. *Did I answer the question asked in the problem? *Is more than one answer possible? *Can I prove my answer?

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Two Strategies to solve the same problem. There were 34 students in the auditorium before Ms. Forschein’s class arrived with another 28 students. How many students in all were in the auditorium at the end of the day? Open Number Line with Friendly Numbers 30+20=50 4+8=12 50+12=62 Tens and Ones Break-Up 30+4 20+8 ______ 50+12 62 Expanded Form

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Ms. Pawlak’s family went apple picking and picked 29 apples. They used some to make a pie. Now there are only 14 apples remaining. How many apples were used to make the pie? (Solve this problem using 2 different strategies.)

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After you’re done, you’ve only just begun Always have students LOOK BACK when they are done. Ask yourself: **How did I answer the problem? **Did I really answer what the question is asking?

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Questions? Thank you for joining us!

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