Common Core Math Concepts: K-8

Explore basic math terms from subtraction and expressions to real world context, including addition, sums, hundreds tens and ones, distribute and divide, calculate, round, fractions, mass, and mean.

apply real-world math to everyday scenarios by adding multiple quantities, subtracting when fewer are present, and evaluating totals, as shown in shirts, candies, and chicken wings examples.

Explore essential fraction rules: simplifying fractions, handling zero and undefined cases, working with negative fractions, and multiplying with cancellation to simplify results.

Explore basic logic by evaluating true or false statements, testing hypotheses, and recognizing input–output relationships and the connection between statements, theory, and algorithms.

Practice long division using example problems to find quotients with a divisor, handle remainders, and convert to decimals, illustrating step-by-step subtraction and placement of digits.

Learn the order of operations, including parentheses, exponents, multiplication, division, addition, and subtraction, and use the mnemonic please excuse my dear and sauli to solve equations.

Print the table of numerical signs from the following website, then test your knowledge with a partner and redo any incorrect answers.

Identify the coordinate plane with its x-axis and y-axis as the space for graphing and understand why this plane is essential for linear algebra and inequality graphs.

Explore how ratios express a proportional equation between two amounts. Review examples like 1 to 5, 4 to 1, and 5 to 3, then practice writing your own ratios.

Explore how percent relates to fractions of 100, convert percent to decimals, and check examples like 10% = 0.01, 88% = 0.88, and 100% = 1.

Learn to read graphs and identify graph types by engaging with the recommended resources, then test yourself with visuals and review drawn graphs to reinforce memory.

Explore scale factors that multiply quantities, with examples showing a scale factor of 1.5 from 8 to 12 or from 6 to 9.