Lesson 18 - Understand the meaning of the equal sign by pairing equivalent expressions and constructing true number sentences

2023-12-152023-12-15Mathematics, Mathshttps://dsstorage-hbmsu.com/handle/123456789/2087Topic E: The Commutative Property of Addition and the Equal SignpdfAddition, Sum, Module1513.2 G1M1 L18 2015QA115 .G1M1 L18 2015Lesson 18 - Understand the meaning of the equal sign by pairing equivalent expressions and constructing true number sentencesText