For a 2nd-grade student following the standards, understanding the "value of an expression" (значение выражения) is a fundamental building block for all future math. 1. What is a Numerical Expression?

The is the final number you get after performing all the operations in the expression. If the expression is , its value is "Finding the value" simply means "solving the example". 3. Rules for Finding the Value (Order of Operations)

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A is a mathematical "phrase" that uses numbers and operation signs (like −negative Example: Important: An expression does not contain an equals sign ( ) or comparison signs ( ) until you solve it. 2. What is the "Value of an Expression"?

To find the correct value, you must follow the mathematical "laws of the road":