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Home / Teaching Resources / Grade 3 / Standards for Mathematical Practice / Number & Operations - Fractions / Develop understanding of fractions as numbers / CCSS.MATH.CONTENT.3.NF.A.1
Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
(View this topic on www.corestandards.org )