Create a content objective using we will for this standard. (Do not use words from the given standard. Summarize the standard).
Understand the meaning of the equal sign and determine if equations involving addition and subtraction are . For example, which of the following equations is true and which is false?
6 = 6, 7 = 8 - 1,
5 + 2 = 2 + 5,
4 + 1 = 5 + 2.