• Aaron Daffern

3rd Grade Math - Rounding and Compatible Numbers

Updated: Apr 8

This post explains and give 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 2019, this supporting standard has been tested once on the STAAR test. Videos explaining each problem can be found below. If you'd rather take a quiz over this question, click here. The video below is linked to the question in the quiz as an answer explanation after the quiz is submitted.

To view all the posts in this 3rd grade TEKS review series, click here.

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