Using Substitution to Solve Problems
- Replace a variable with a given number and simplify the expression.
- Use substitution to find the value of an unknown in an equation.
- Check whether a number makes an equation true by substituting it in.
Our horizontal algebra worksheets present problems in a side-by-side format, making them perfect for students who prefer working across the page rather than vertically. This collection covers essential algebra topics from basic variable solving to advanced quadratic equations and polynomial operations.
These worksheets introduce students to the concept of variables and algebraic thinking. Activities include using substitution to evaluate expressions, writing and graphing inequalities on a number line, identifying numerical coefficients, solving for unknown values using all four operations, and exploring powers, bases, and slope. Aligned with sixth through eighth grade standards, these resources build the foundation for pre-algebra and algebra.
These worksheets cover a wide range of algebraic expression skills, from simplifying and expanding to factoring. Students practice combining like terms, using the distributive property, rewriting expressions as multiples of a sum, solving linear equations with variables on both sides, and expanding polynomials using the box method. Topics also include perfect square trinomials and matching equivalent expressions, making these resources ideal for sixth through eighth grade algebra.