Write and evaluate algebraic expressions using both positive and negative numbers.
Properties of Algebra
Understand and use the distributive, commutative, associative and identity properties to solve problems.
Solving Problems with Equations
Write and use equations to solve word problems.
Solving One-Step and two-Step Problems
Find an unknown number in a one-step addition, subtraction, multiplication or division problem. Find an unknown number in two-step equations (equations involving more than one operation). Use equations to solve word problems.
Solving Two-Step Problems
Solve two-step equations with fractional coefficients by finding the multiplicative inverse of the coefficient.