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3rd Grade Math - Rounding and Compatible Numbers

Updated: Nov 18, 2023

This post explains and gives practice opportunities related to TEKS 3.4B:

round to the nearest 10 or 100 or use compatible numbers to estimate solutions to addition and subtraction problems


This standard uses both rounding and compatible numbers with the aim of estimating solutions to addition and subtraction problems.


STAAR Practice

Between 2016 and 2023, this supporting standard has been tested 2 times on the STAAR test. Videos explaining each problem 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 3rd grade TEKS review series, click here.

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