Directions: An Olympic pool holds 660,000 gallons of water. A fire hose can spray about 250 gallons per minute. Use the Design Recipe to write a function pool that takes in the number of minutes that have passed and calculates how much water is still needed to fill it.

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 (____ ________)

____________________________)

Directions: The community arts fund awards a $1500 grant each month to support a new mural. They started with $50000 in their account. Use the Design Recipe to write a function funds-available that takes in the number of months and calculates how much money they have left.

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). CCbadge Bootstrap 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.