Math Mammoth resources

Click each level and master it.

Geometry
  1. Perimeter
  2. Units of area
  3. Problems to solve: area of rectangles
  4. Area of rectangles and the distributive property
  5. Area and perimeter problems — rectangular shapes
  6. Area versus perimeter
  7. Lines, rays, and angles
  8. How to use a protractor to measure & draw angles
  9. Estimating angles
  10. How to draw a right angle (perpendicular line) and a rectangle
  11. Parallelograms
  12. Acute, obtuse, and right triangles
  13. Polygons—introduction
  14. Circles
  15. Area and perimeter problems
  16. Classify triangles
  17. Classify quadrilaterals
  18. Volume of a rectangular prism and cubic units
  19. Area of parallelograms and triangles
  20. Area of polygons
  21. Find the area of a triangle by drawing and measuring the altitude
  22. Introduction to conversions between units of area
  23. Volume of rectangular prism with fractional edge length
  24. Unknown angle problems
  25. Angles in a triangle
  26. Drawing geometric shapes with given conditions
  27. Drawing triangles with given conditions
  28. Pi and the circumference of a circle
  29. How to calculate the area of a circle, plus simple proof for the formula
  30. The Pythagorean Theorem
  31. Applications of the Pythagorean Theorem 1: area of an isosceles triangle
  32. Applications of the Pythagorean Theorem 2: diagonal of a square
  33. Applications of the Pythagorean Theorem 3: volume of a triangular prism
  34. Applications of the Pythagorean Theorem 4: perimeter of a trapezoid
Probability

Integers


  1. Introduction to integers
  2. Addition of integers 
  3. Subtraction of integers 
  4. Multiplication of integers 
  5. Division of integers 
  6. Lessons on integers: solved examples 

The simplest equations
  1. Solving equations - beginner lesson - examples with a pan balance
  2. Addition and subtraction equations
  3. Multiplication and division equations

Rational numbers

  1. What are rational numbers?
  2. Add & subtract negative fractions and decimals
  3. Multiply negative fractions and decimals
  4. Divide rational numbers
  5. Many operations with rationals, plus complex fractions
  6. Unit rate word problem
  7. Convert fractions to decimals
  8. Simple equations involving decimals
  9. Simple equations involving fractions
  10. Simple equations involving percentages

Linear equations
  1. Two-step equations
  2. Variable on both sides
  3. Equations involving parentheses
  4. Equations with fractions
  5. How to use the formula for distance, rate (speed), and time to solve problems
  6. Writing equations for word problems
  7. Inequalities
  8. Graphing equations
  9. Introduction to slope