Referenced from lesson Solving Word Problems
Directions: To find the average of two numbers, they should be added together and divided by two. Define a function which takes in two numbers and produces their average.
Contract and Purpose Statement |
Every contract has three parts…
; _______:______________->______
; __________________________________________________________
Examples |
Write some examples, then circle and label what changes…
(EXAMPLE (_______ _____)______________)
(EXAMPLE (_______ _____)______________)
Definition |
Write the definition, giving variable names to all your input values…
(define (_______ ______)
_________________)
These materials were developed partly through support of the National Science Foundation,
(awards 1042210, 1535276, 1648684, and 1738598). 
Bootstrap:Algebra by Emmanuel Schanzer, Jen Poole, Ed Campos Jr, Flannery Denny, and Dorai Sitaram
is licensed under a
Creative Commons 4.0 Unported License.
Based on a work at www.BootstrapWorld.org.
Permissions beyond the scope of this license may be available by contacting
schanzer@BootstrapWorld.org.