High School Mathematics Problems from Alaska

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

James H. Grey
jgrey@northstar.k12.ak.us

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?

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.

Be sure to save your completed calendar for later problems.

 2001 Yearly Calendar

 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 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

 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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