Reflection: Adjustments to Practice Comparing Fractions on a Numberline - Section 2: Common Mistake when showing fractions on a numberline.


Prior to Common Core, it was my practice to introduce fractions without any number line. The number line makes it so much easier to connect understanding of equivalent fractions as well as a great model to explain numerators and denominators. I can now ask a student to prove how 6/8 is related to 3/4 using a model. They can prove that the the whole is cut into eighths, we have six of them, and that is the same thing as when the whole is cut into fourths and we have three of them. The concept of fractions becomes meaningful because the student has the power to prove their understanding.

  Switching things up a little.
  Adjustments to Practice: Switching things up a little.
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Comparing Fractions on a Numberline

Unit 6: Fractions 1: Understanding Equivalence in Fractions and Decimals
Lesson 7 of 12

Objective: SWBAT compare fractions using a numberline.

Big Idea: Students draw a number line and learn the meaning of comparing fractions by dividing equal parts and shading in the number of parts. Then they compare!

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Math, Number Sense and Operations, Fractions, Number line model for fractions, comparing fractions
  45 minutes
fractions on a
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