Elementary AlgebraMenuIntroduction1AlgebraActivity Set 12VariableActivity Set 1Activity Set 2Click to highlight all the variables in the expressionCheckResetContinue3CoefficientActivity Set 1Activity Set 24Algebraic ExpressionCombining like TermsActivity Set 15Subtracting VariablesActivity Set 16Adding and Subtracting Unlike TermsActivity Set 1Activity Set 27Multiplying Numbers by CoefficientsActivity Set 1Activity Set 28Combining Variables with ExponentsActivity Set 1Activity Set 29Replacing a Variable with a NumberActivity Set 1Activity Set 210Boss Battle
