Referenced from lesson Restating the Problem (Spring, 2021)
Directions: Write a function lawn-area that takes in the length and width of a rectangular lawn and returns its area.
Contract and Purpose Statement |
Every contract has three parts…
# _________::______________->______
# ______________________________________________________________________
Examples |
Write some examples, then circle and label what changes…
examples:
___________ (______) is________
___________ (________) is__________
end
Definition |
Write the definition, giving variable names to all your input values…
fun _________(_____________):
________________
end
Directions: Write a function rect-perimeter that takes in the length and width of a rectangle and returns the perimeter of that rectangle.
Contract and Purpose Statement |
Every contract has three parts…
# ______________::______________->______
# _____________________________________________________________________________
Examples |
Write some examples, then circle and label what changes…
examples:
________________ (______) is______________
________________ (________) is________________
end
Definition |
Write the definition, giving variable names to all your input values…
fun ______________(_____________):
______________________
end
These materials were developed partly through support of the National Science Foundation,
(awards 1042210, 1535276, 1648684, and 1738598). 
Bootstrap:Algebra by the Bootstrap Community is licensed under a Creative Commons 4.0 Unported License. This license does not grant permission to run training or professional development. Offering training or professional development with materials substantially derived from Bootstrap must be approved in writing by a Bootstrap Director. Permissions beyond the scope of this license, such as to run training, may be available by contacting contact@BootstrapWorld.org.