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Native Pathways to Education
Alaska Native Cultural Resources
Indigenous Knowledge Systems
Indigenous Education Worldwide

High School Mathematics Problems from Alaska

A database of lessons and units searchable by content and cultural standards, cultural region and grade level. More units will be available soon. You can use Acrobat Reader to look at the PDF version of the Cover Sheet for the Units and Self-Assessment for Cultural Standards in Practice.

Converting the Date to the Day of the Year
(Problem One)


 James H. Grey

MS Word Download


Standards: Numeration, Measurement, and Estimation and Computation. 

Performance Standards: A1.3.2, A1.3.4, A2.4.2, A3.4.5

Concepts: Unit Conversion.

Carnegie Chapter: Number Patterns.

Overview: Focusing on converting units. This material will be used in later problems.



Converting the Date to the Day of the Year

Problem One

Answer the questions below using complete sentences.

January 1 is day 1, January 26 is day 26, and February 1 is day 32 in the calendar year.

1a. What day of the calendar year is January 4?



b. February 15?



c. March 15?



d. July 4?




2a. What date is the 17th day of the year?



b. What date is day 29?



 c. What date is day 67?


3a. What would day -2 signify?



b. What about day 370?



 4. Using the attached calendar, label every 5th day with its corresponding day of the year.



a. Describe any difficulties that you may have had doing this.





b. Describe your strategy.







Be sure to save your completed calendar for later problems.

2001 Yearly

January 2001

July 2001

February 2001

August 2001

March 2001

September 2001

April 2001

October 2001

May 2001

November 2001

June 2001

December 2001

Table of Contents


AL-CAN Highway Problem

Cigarette Smoking

Commercial Salmon Fishing

Cutting Cordwood

Dog Lot Math

Firefighting Crew

Firewood Problem

Investigation of Herring Statistics

Jesse Thomas Moose Hide Problem

Predicting Plant Coverage

Problem 1 - Converting the Date to the Day of the Year

Problem 2 - Azimuth and Arc Length

Problem 3 - Reading a Graph: Azimuth Range vs. Day in Barrow, Alaska

Problem 4 - Writing an Equation: Altitude Range vs. Day in Barrow, Alaska

Problem 5 - Problem Setup and Pattern Recognition: Sunrise in Barrow, Alaska

Problem 6 - Extensions of Data: Barrow, AK Sunrise/Sunset Information

Problem 7 - Writing an Equation: Fundraiser

Problem 8 - Writing an Equation: Fundraiser Choosing a Distributor

Stanley Jonas Travel Problem

Subsistence Fishing on the Kenai

Tourist and Traveler Information



For the Teacher's Guides, please email Alaska Native Knowledge Network

Whouy Sze Kuinalth
"Teaching Our Many Grandchildren"
Tauhna Cauyalitahtug
(To Make a Drum)
Math Story Problems
St. Lawrence Island Rain Parka Winds and Weather Willow
Driftwood Snowshoes Moose
Plants of the Tundra Animal Classification for Yup'ik Region Rabbit Snaring
The Right Tool for the Job
Fishing Tools and Technology
Blackfish Family Tree
Medicinal Plants of the Kodiak Alutiiq Archipelago Beaver in Interior Alaska Digging and Preparing Spruce Roots
Moose in Interior Alaska Birds Around the Village  


Handbook for Culturally Responsive Science Curriculum by Sidney Stephens
Excerpt: "The information and insights contained in this document will be of interest to anyone involved in bringing local knowledge to bear in school curriculum. Drawing upon the efforts of many people over a period of several years, Sidney Stephens has managed to distill and synthesize the critical ingredients for making the teaching of science relevant and meaningful in culturally adaptable ways."



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Alaska Native Knowledge Network
University of Alaska Fairbanks
PO Box 756730
Fairbanks  AK 99775-6730
Phone (907) 474.1902
Fax (907) 474.1957
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Last modified August 18, 2006