SOURCE: Arizona Department of Education, Arizona Mathematics Standards 3rd Grade, Sample Math Assessment Test Question

Introduction to AZ Math Standard

Arizona Mathematics Standards 3rd Grade

Math Lesson Curriculum Aligned to AZ Standard for Number and Operations - Fraction 3.NF.A.2.a

Understand a fraction as a number on the number line; represent fractions on a number line diagram.

a. Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Understand that each part has size 1/b and that the end point of the part based at 0 locates the number 1/b on the number line.

and 3.NF.A.2.b

b. Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Understand that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line including values greater than 1.

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