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4th Grade Math - Representing an Unknown Quantity

Updated: Dec 2, 2023

This post explains and gives practice opportunities related to TEKS 4.5A:

represent multi-step problems involving the four operations with whole numbers using strip diagrams and equations with a letter standing for the unknown quantity


The next students students take in their algebraic reasoning is learning to represent unknowns (i.e., variables) with letters.


STAAR Practice

Between 2016 and 2023 (including redesign practice), this readiness standard has been tested 15 times on the STAAR test. Videos explaining the problems can be found below. If you'd rather take a quiz over these questions, click here. The videos below are linked to the questions in the quiz as answer explanations after the quiz is submitted.


To view all the posts in this 4th grade TEKS review series, click here.

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