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# Reporting Category 1 (TEKS 3.3 Represent and Explain Fractional Units)

#### Numerical Representations and Relationships

The videos in this post explain mathematics Texas Essential Knowledge and Skill 3.3:

Number and operations. The student applies mathematical process standards to represent and explain fractional units.

The STAAR videos below are selected released items from 3rd grade STAAR tests in 2016, 2018, 2019, and 2021. You can view the complete review of the 2017 STAAR test here.

## 3.3A

represent fractions greater than zero and less than or equal to one with denominators of 2, 3, 4, 6, and 8 using concrete objects and pictorial models, including strip diagrams and number lines

## 3.3B

determine the corresponding fraction greater than zero and less than or equal to one with denominators of 2, 3, 4, 6, and 8 given a specified point on a number line

## 3.3C

explain that the unit fraction 1/b represents the quantity formed by one part of a whole that has been partitioned into b equal parts where b is a non-zero whole number

## 3.3D

compose and decompose a fraction a/b with a numerator greater than zero and less than or equal to b as a sum of parts 1/b

## 3.3E

solve problems involving partitioning an object or a set of objects among two or more recipients using pictorial representations of fractions with denominators of 2, 3, 4, 6, and 8

## 3.3F

represent equivalent fractions with denominators of 2, 3, 4, 6, and 8 using a variety of objects and pictorial models, including number lines

## 3.3G

explain that two fractions are equivalent if and only if they are both represented by the same point on the number line or represent the same portion of a same size whole for an area model

## 3.3H

compare two fractions having the same numerator or denominator in problems by reasoning about their sizes and justifying the conclusion using symbols, words, objects, and pictorial models