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Cubes and Cube Roots Video Lessons

In this course, we will find cube roots of numbers by factor method and multiplication method. Cube Roots Cube roots are opposite of cubes. The cube root of a given number is the number that is multiplied by itself three times to get the number.

Lessons (20)

• 1.    How to find cubes of numbers by multiplication method
  4m 53s

• 2.    Finding Cube Roots of Numbers by Factor Method
  6m 40s

• 3.    Reading the cube of a given number directly from the mathematical table
  6m 15s

• 4.    Read the cube roots of given numbers directly from the mathematical tables
  5m 23s

• 5.    Evaluate: #root 3(64)#
  0m 47s

• 6.    Evaluate: #root3 125#
  0m 28s

• 7.    Evaluate: #root3 3375#
  1m 2s

• 8.    Evaluate: #root3 (27/64)#
  1m 8s

• 9.    Evaluate: #root3 0.512#
  1m 35s

• 10.    Evaluate: #root3 (2 93/125)#
  1m 12s

• 11.    Evaluate: #root3 (a^3 b^3 )#
  0m 46s

• 12.    Evaluate: #root3 (x^6 y^6 )#
  1m 16s

• 13.    Evaluate: #root3 (w^6 y^3 )#
  0m 57s

• 14.    The volume of a sphere is #4/3 pr^3# where r is its radius. Find the radius when the volume is 38.808#cm^3#. (Take #pi =22/7#).
  2m 42s

• 15.    The volume of the material used to make a cube is 1 728#cm^3#. Find the length the cube.
  1m 31s

• 16.    The volume of water in a measuring cylinder is 200#cm^3#. When a cube is immersed into the water, the cylinder reading is 543#cm^3#. Find: (a) the volume of the cube. (b) the length of the side of the cube.
  1m 12s

• 17.    A metallic cuboid measuring 16 cm by 8 cm by 4 cm was melted. The material was then used to make a cube. What was the length of the cube?
  1m 36s

• 18.    Evaluate: #root3 (27x^3 y^9 )#
  1m 42s

• 19.    Find: #root3 ((0.064×125)/343)#
  2m 1s

• 20.    Find: #root3 ((x-y)(x+y))#, when x=76 and y=49
  1m 17s