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Solving the Harry Potter Movie Attendance Problem: A Step-by-Step Guide

This guide walks you through the four essential steps to problem-solving by using the example of movie attendance. On December 3rd, 532 people attended the Harry Potter movie, but 67 left midway. With 213 kids in the audience, how many viewers stayed for the entire film? Learn to understand the problem, plan your approach, carry out calculations, and finally, reflect on the reasonableness of your answer. In this case, we find that 465 people watched the whole movie. Embrace effective problem-solving skills!

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Solving the Harry Potter Movie Attendance Problem: A Step-by-Step Guide

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Presentation Transcript

  1. Problem Solving Can you remember the four steps?

  2. 1. Understand the problem 2. Plan how to solve the problem 3. Carry out the plan 4. Look Back

  3. On the 3rd of December 532 people went to see the new Harry Potter movie. Half way through the movie 67 people left because they didn’t like it. There were 213 kids in the audience. How many people saw the whole film?

  4. 1. Understand the problem What information don’t we need? What is the question? What is the important information? On the 3rd of December 532 people went to see the new Harry Potter movie. Half way through the movie 67 people left because they didn’t like it. There were 213 kids in the audience. How many people saw the whole film?

  5. 2. Plan how to solve the problem What strategy will we use? Solving an equation? Subtraction - 3. Carry out the plan

  6. 2-7 = can’t do 4 1 2 12 532 12-7 = 5 - 67 20-60 = can’t do 120-60 = 60 4 6 5 400-0 = 400

  7. 4. Look Back Is our Answer reasonable? YES Write your answer in a sentence. 465 people saw the whole Harry Potter Movie.

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