Ontario Curriculum Expectation:
4.C2.2 solve equations that involve whole numbers up to 50 in various contexts, and verify solutions.
An algebraic equation is a number sentence with an equal sign between an algebraic expression and a number.
Here is an example of an algebraic equation that means the sum of 6 and a is 9.
Solve an equation means finding the value of the variable that will make two sides equal.
Find the number that fits the number sentence that will solve the equation.