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Extend understanding of fraction equivalence and ordering.

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Presentation on theme: "Extend understanding of fraction equivalence and ordering."— Presentation transcript:

1 Extend understanding of fraction equivalence and ordering.
4.NF.2 Compare two fractions with different numerators and different denominators, e.g., by creating common denominators or numerators, or by comparing to a benchmark fraction such as ½. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with symbols >, =, or <, and justify the conclusions, e.g., by using a visual fraction model.

2 Compare Use a number line or area model to justify your answer. Common denominator- 3rd grade problem: 7/10>6/10

3 Compare Use a number line or area model to justify your answer. Common numerator – 3rd grade problem: 2/5 < 2/3

4 Compare Use a number line or area model to justify your answer. Consider a benchmark fraction like ½. 5/8> 7/12

5 Provide all the numbers that make the inequality true
1 6 < ? 4 1/6 < ¼, 2/4, ¾, 4/4 1 2

6 Provide all the numbers that make the inequality true
? 8 >

7 Compare Ask students to write an inequality that represents the comparison. Have several students explain how they reasoned through comparing the two fractions.


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