Iditarod Math 5

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BSSD Standards Addressed

MA 5.10 – converts measurement

MA 5.11 – estimates length, weight, temperature

MA 5.12 – calculates elapsed time

MA 5.14 – measure within 1/8 in or mm

MA 5.19 – flips, slides, turns

MA 5.20 – acute, right, obtuse angles

MA 5.22 – similar, congruent, symmetrical shapes

MA 5.23 – locates points on a grid

MA 5.26 – calculates perimeter and area

MA 5.27 – constructs tables and graphs

MA 5.28 – probability

MA 5.30 – mean, median, mode, range

WR 4.04 – Proficient sample - letter

MA 6.09 - develops and interprets scale models


Materials Needed

- 1/8’ balsa wood

- 1/4’ dowel rod

- craft sticks

- straws

- tape

- rubber bands

- glue

- construction paper


These websites have measurements and pictures of dog sleds

Mid distance and long range dog sleds

The Snowboat

Anatomy of a dog sled


Student converts measurement

Student estimates length, weight, temperature

Student calculates elapsed time

Student measures within 1/8 in or mm

Student identifies flips, slides, turns

Student identifies acute, right, obtuse angles

Student identifies similar, congruent, symmetrical shapes

Student locates points on a grid

Student calculates perimeter and area

Student constructs tables and graphs

Student predicts probability

Student finds mean, median, mode, range

Student writes a letter



- Record musher data – basic statistics – men/women, rookies/vets, Alaska, US, foreign

- Musher probability – based on how likely they are to meet a man/woman, rookie/vet, Alaskan, Us, or foreign

- Choose a musher to follow – and record information about this musher

- Research types of sleds and measurements

- Create foldable and diagram for of parts of sled - vocabulary

- Write a letter to the musher – asking details about their sled

- Measure a dog sled in inches and cm (convert feet to inch and meter to cm)

- Draw a diagram of that dog sled to scale on graphing paper

- Identify it slid, flipped, and turned

- Identify right, obtuse, and acute angles on the sled

- Identify similar, congruent, and symmetrical shapes on the sled

- Calculate perimeter and area of parts of the sled

- Build a scale model of a dog sled – measured to nearest mm and 1/8 inch


- Follow musher and record data in a journal on a daily basis

- Develop a book with the following information:

  1. Keep an Iditarod record sheet tracking the miles that your favorite musher has traveled along the trail and how many miles he or she has to go to Nome.
  1. Make a line graph showing the number place of your musher each day.
  1. Keep a bar graph of the temperature on the trail each day.
  1. Calculate the difference in temperature between the trail and in your town each day.
  1. Make a bar graph of the number of dogs your musher has each day.
  1. Make a line graph of the number of miles your musher travels each day.

- Use data to find mean, median, mode, and range of temperatures and distances

- Calculate time between checkpoints

- Using maps plot location of the musher on a daily basis


- Write a letter to musher congratulating them on their race

- Send model of sled or book as a gift

Evaluation/ Rubric


Teacher Notes




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