Here you will find exercises for the eighth grade.
Exercises for practicing powers and their calculations.
Practice square roots of perfect squares, estimating roots, and irrational numbers.
Write numbers in scientific notation a × 10ⁿ and convert them back to standard form.
Read scatter plots for association and complete two-way frequency tables.
Solve systems of two linear equations in two unknowns by substitution and elimination.
Exercises for working with algebraic expressions – combining like terms and multiplying by monomials.
Exercises for solving linear equations with one unknown.
Exercises on solving linear inequalities with one unknown — number line, intervals, and various inequality types.
Exercises and articles on the Pythagorean theorem – computing the hypotenuse, the legs, word problems, and verifying right triangles.
Exercises on calculating surface area and volume of solids – cylinder, pyramid, cone and sphere.
Exercises on functions – dependent and independent variables, tables, graphs, domain, range, direct and inverse proportion, linear function.
Exercises and articles on triangle similarity – similarity ratio, SSS, SAS, AA theorems, calculating missing sides.
Circumference and area of a circle using π ≈ 3.14: compute the circumference from the radius, the area from the radius, recover the radius from a given circumference, and solve short word problems (pool, wheel, pie).