Brain Dump

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

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

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

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)

Kogics