Brain Dump

Activity

  • Introduce the idea of Unit Length and Unit Area
  • Get the kids to measure some lengths and areas in the class, using different units
  • Introduce the different unit lengths in Kojo
  • Ask the kids to make a couple of closed figures and measure their areas
  • Introduce kids to the idea of a top view of a house
  • Ask the kids to make the top view of a house with a certain number of rooms and a certain total area within Kojo

Activity

  • Introduce the idea of the prime factors of numbers as the core building blocks of numbers
  • Do some prime factorizations with the kids
  • Show kids how to calculate the HCF and LCM of two numbers based on their prime factors
  • Ask the kids to draw a large rectangle within Kojo (relate this to something in real life - like a kitchen top, or a bed headboard, or a wall)
  • Now ask the kids to fill this rectangle with the largest possible squares, such that the whole rectangle is covered.
  • Now ask the kids to make a small rectangle.
  • Ask them to figure out the minimum number of these rectangles that need to be tiled together to make a square figure

Activity

  • Introduce kids to the idea of variables (in Algebra)
  • Point out how variable are useful in making statements about all numbers (laws) and some numbers (equations)
  • Discuss the importance of laws [todo]
  • Discuss the usefulness of equations [todo]
  • Ask the kids to make a pattern in Kojo which depends on the solution of one or more equations

Activity

Playing with angles based on the following code

def angle(n: Int) {
    left()
    forward(100)
    right(180 - n)
    forward(100)
    write(n)
}

cleari()
setAnimationDelay(0)
angle(390)
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