Grade 6, 7, 8 and 9 math questions and problems to test deep understanding of math concepts and computational procedures of students are presented. Answers to the questions are provided and located at the end of each page.

Divisibility Test Calculator. An online calculator that tests whole numbers for visibility by 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13.

Add, Subtract and Multiply Integers Calculators. Three separate online calculators to add, subtract and multiply integers.

Quotient and Remainder Calculator. An online calculator that computes the quotient and remainder of the division of two whole numbers.

Lowest Common Multiple (lcm) Calculator. Calculate the lowest common multiple of two positive integers.

Greatest Common Factor (gcf) Calculator. Calculate the greatest common factor of two positive integers.

Prime Factors Calculator. Factor a positive integer into prime factors.

Fractions Addition Calculator. Add 2 or 3 fractions and reduce the final answer.

Multiply Fractions Calculator. Multiply 2 fractions and reduce the answer.

Divide Fractions Calculator. Divide 2 fractions and reduce the answer.

Reduce Fractions Calculator. Rewrite Fractions in reduced form.
 