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Introduction to the Protractor

Introduction to the Protractor. GRADE 4/5 Lesson Study #2 N. Bekanovic, M. Ferraci, S. Jordan, N. Moore, A. Prosdocimo. What can you tell me about this square?. 4 cm Some attributes we noticed :. Let’s measure an angle. To measure angles, we use a protractor.

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Introduction to the Protractor

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  1. Introduction to the Protractor GRADE 4/5 Lesson Study #2 N. Bekanovic, M. Ferraci, S. Jordan, N. Moore, A. Prosdocimo

  2. What can you tell me about this square? 4 cm Some attributes we noticed:

  3. Let’s measure an angle To measure angles, we use a protractor.

  4. Now it’s YOUR turn to practise Practise measuring all of the angles on the page using your protractor. Remember 1. Line up the corners. 2. Match the zero line. 3. Start at 0.

  5. How did you do with the protractor?

  6. Let’s draw a right angle together 6 cm line Now it’s a right-angle triangle.

  7. Let’s draw another right angle 6 cm line It’s another right-angle triangle.

  8. Let’s draw a shape with MORE than ONE right angle 6 cm line Now we’ve made a perfect rectangle. Ligne de 6 cm How many right angles does this shape have?

  9. Now it’s YOUR turn again! Try drawing some shapes using a six-centimetre line and a protractor. 6 cm

  10. Here is your FULL mission

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