Mathematical practices -- Properties of real numbers -- Operations with signed numbers -- Order of operations -- Fractional numbers -- Decimal functions -- Rounding numbers -- Operations with exponents -- Square roots -- Ratios and proportions -- Percentage -- Solving equations -- Applying what we have learned -- Steps that lead to success -- Dimensional analysis -- Areas, volumes and capacities -- Applied math for water and wastewater operations -- Flow and velocity calculations -- Pump and motor maintenance -- Electrical calculations -- Pump and motor maintenance -- Electrical calculations -- Water & wastewater treatment calculations -- Distribution and collection system calculations.