1. Home
  2. > Geometry

Geometry

Give your kids a fun and simple way to learn and improve with our child friendly design. Our grade K-8 courses put practice first so they can quickly test their knowledge and develop their skills further. Browse one of our topics to see what you kids will experience.
  1. 1Angles and Lines
    1. 1.1Parallel and perpendicular line segments
    2. 1.2Perpendicular bisectors
    3. 1.3Angle bisectors
    4. 1.4Angle relationships
    5. 1.5Pairs of lines and angles
    6. 1.6Parallel lines and transversals
    7. 1.7Parallel line proofs
    8. 1.8Perpendicular line proofs
  2. 2Coordinate Plane
    1. 2.1Cartesian plane
    2. 2.2Draw on coordinate planes
  3. 3Triangles
    1. 3.1Pythagorean theorem
    2. 3.2Using the pythagorean relationship
    3. 3.3Applications of pythagorean theorem
    4. 3.4Classifying Triangles
    5. 3.5Isosceles and Equilateral Triangles
  4. 4Circles
    1. 4.1Angles in a circle
    2. 4.2Chord properties
    3. 4.3Tangent properties
    4. 4.4Circles and circumference
    5. 4.5Arcs of a circle
    6. 4.6Areas and sectors of circles
    7. 4.7Central angles and proofs
    8. 4.8Inscribed angles and proofs
    9. 4.9Central and inscribed angles in circles
    10. 4.10Circle chord, tangent, and inscribed angles proofs
  5. 5Surface Area and Volume
    1. 5.1Introduction to surface area of 3-dimensional shapes
    2. 5.2Nets of 3-dimensional shapes
    3. 5.3Surface area of prisms
    4. 5.4Surface area of cylinders
    5. 5.5Surface area of 3-dimensional shapes
    6. 5.6Introduction to volume
    7. 5.7Volume of prisms
    8. 5.8Volume of cylinders
    9. 5.9Volume of rectangular prisms word problems
    10. 5.10Word problems relating volume of prisms and cylinders
    11. 5.11Surface area and volume of prisms
    12. 5.12Surface area and volume of pyramids
    13. 5.13Surface area and volume of cylinders
    14. 5.14Surface area and volume of cones
    15. 5.15Surface area and volume of spheres
  6. 6Transformations
    1. 6.1Introduction to transformations
    2. 6.2Horizontal and vertical distances
    3. 6.3Understanding tessellations
    4. 6.4Tessellations using translations and reflections
    5. 6.5Tessellations using rotations
    6. 6.6Line symmetry
    7. 6.7Rotational symmetry and transformations
    8. 6.8Identifying vertices
  7. 7Similarity
    1. 7.1Enlargements and reductions with scale factors
    2. 7.2Scale diagrams
    3. 7.3Similar triangles
    4. 7.4Similar polygons
    5. 7.5Similar solids
  8. 8Congruence
    1. 8.1Congruence and congruent triangles
    2. 8.2Triangles congruent by SSS proofs
    3. 8.3Triangles congruent by SAS and HL proofs
    4. 8.4Triangles congruent by ASA and AAS proofs
  9. 9Logic
    1. 9.1Inductive reasoning
    2. 9.2Statements
    3. 9.3Negations
    4. 9.4Conjunctions and disjunctions
    5. 9.5Truth tables
    6. 9.6Conditionals
    7. 9.7Inverses, converses, and contrapositives
    8. 9.8Biconditionals
    9. 9.9Deductive reasoning
    10. 9.10Algebraic proofs
  10. 10Reasoning
    1. 10.1Consecutive integers
    2. 10.2Number sequences
    3. 10.3Finding the missing digit