Practice Expressions in Math
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
A combination of numbers, variables, and operations with no equals sign — it represents a value but makes no claim.
A recipe for calculating a value: '2x + 3' tells you to double x and add 3.
Example 1
easySimplify the expression 4x + 3x - 2.
Example 2
mediumEvaluate 2a^2 - 3a + 1 when a = 3.
Example 3
easySimplify 5y + 2 - 3y + 7.
Example 4
mediumWrite an algebraic expression for: 'triple a number, then subtract 4.'