Examples, solutions, and videos to help Algebra I students understand that an equation is a statement of equality between two expressions.
Students understand that an equation is a statement of equality between two expressions. When values are substituted for the variables in an equation, the equation is either true or false. Students find values to assign to the variables in equations that make the equations true statements.
A number sentence is a statement of equality between two numerical expressions.
A number sentence is said to be true if both numerical expressions are equivalent (that is, both evaluate to the same number). It is said to be false otherwise. True and false are called truth values.
An algebraic equation is a statement of equality between two expressions.
Algebraic equations can be number sentences (when both expressions are numerical), but often they contain symbols whose values have not been determined.
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