Order of Operations (PEMDAS / BODMAS)
Evaluate multi-step expressions with parentheses, brackets, exponents, and operations.
Bridge elementary math to pre-algebra. Master PEMDAS order of operations, signed negative integers, ratios & percentages, and solving 1-step algebraic equations.
Apply arithmetic properties to algebraic expressions and solve 1-variable 1-step equations.
Evaluate multi-step expressions with parentheses, brackets, exponents, and operations.
Solve one-step equations using inverse operations (addition/subtraction & multiplication/division).
Combine like terms and apply the distributive property to simplify expressions.
Extend previous understandings of numbers to the system of rational and signed negative numbers.
Add and subtract positive and negative integers with number line rules.
Find GCF and LCM using prime factorization and Euclidean division.
Calculate percent of a number and convert between fractions, decimals, and percents.
Fast, confidence-building fluency sprints designed to sharpen mental math recall in 60 seconds with instant feedback.
Order of Operations
Negative Numbers
Percent of a Number
Greatest Common Factor
Interactive, step-by-step digital quizzes with worked explanations to test understanding before paper tests.
Self-graded online quiz with step-by-step explanations
Self-graded online quiz with step-by-step explanations
Self-graded online quiz with step-by-step explanations
Self-graded online quiz with step-by-step explanations
PEMDAS stands for Parentheses, Exponents, Multiplication & Division (left to right), and Addition & Subtraction (left to right). Multiplication does NOT always come before division; evaluate them from left to right.
Adding a negative number is identical to subtraction (e.g. 5 + (-3) = 2). Subtracting a negative number turns into addition (e.g. 5 - (-3) = 5 + 3 = 8).