How to simplify expressions by distributing and/or combining like terms.
How to find the number of combinations of a set.
How to define joint and combined variation.
How to add or subtract polynomials.
How to know when to use combinations or permutations.
The combined law for gases.
How to solve multi-step equations.
How to solve equations with the same variable on both sides.
Simplify each side of an equation before solving with two variable terms
How to find the general term of a geometric sequence.
How to find the general term of an arithmetic sequence.
How to solve rational equations by clearing the denominator.
Adding and subtracting fractions that have the same denominator, including a visual representation
Solving two step equations with integers
Combining capacitors and resistors in electric circuits.
Recognizing and understanding synthesis reactions.