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Fractions on a Number Line Lesson 2

Fractions on a Number Line Lesson 2. Objective: I can label fractions on a number line using Cuisenaire rods. Video (Optional). Learn Zillion Fractions on a Number Line Video.

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Fractions on a Number Line Lesson 2

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  1. Fractions on a Number Line Lesson 2 Objective: I can label fractions on a number line using Cuisenaire rods.

  2. Video (Optional) • Learn Zillion Fractions on a Number Line Video

  3. Can you find the rod in which two of them would cover the entire number line? If two of these rods are needed to cover the distance between 0 and 1, what fraction should we write at the end of the first rod?

  4. Can you find the rod in which four of them would cover the entire number line? • What fraction would we write here (point to end of first rod) How do you know? What fraction should we write at the end of each rod? • Based on our number lines what is the relationship between fourths and halves?

  5. Can you find the rod in which eight of them would cover the entire number line? What fraction would we write at the end of each rod?

  6. Can you find the rod in which three of them would cover the entire number line? What fraction would we write at the end of each rod?

  7. Can you find the rod in which six of them would cover the entire number line? What fraction would we write at the end of each rod?

  8. What do you notice about the thirds and sixths? If I only had thirds, could I mark sixths? If I only had sixths, could I mark fourths? • What is the relationship between thirds and sixths.

  9. Think – Pair - Share • What number is halfway between zero and one? • What number is halfway between zero and one-half? • Is 99/100 greater or less than 1? • Is 2 1/3 greater or less than 1?

  10. Activity • With a partner you will answer these questions that I have on your notes. I will give you 10 minutes to complete. I will then write these questions on white 8x11” paper and put them around the room. You and your partner will have 5-10 minutes to go around the room and write your answers to the questions. Whether you have the same answer or a different answer than what is already on the sheet, write it down anyway! What other numbers are the same as one-half?__________ What number is one-fourth more than one-half? __________ What number is one-sixth less than one? __________ What number is one-third less than one? __________ What number is halfway between zero and one? __________ Which number is closest to zero? __________ Which number is closest to one? __________ What would you call a number halfway between zero and one twelfth? _____

  11. Left Side • Draw 3 blank number lines in your notebook. Plot these 3 fractions and after you plot it write 2-3 sentences explaining how you knew where to plot it on the number line. • 1/8 • 4/6 3. 2/3

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