What?  Did that say DOODLING?  Yes!

Have fun learning about math while doodling from one of my favorite mathematicians/doodlers…Vi Hart!

Spark your math thinking!

1. Set up your math mini spark recording page: #84 Doodling in Math Class
2.  Watch both of the Vi Hart videos.
3. Create a doodle page or ½ page  for each showing what you learned.
4. Share your math mini spark recording page with your teacher/EY coordinator.

The Luhn algorithm or Luhn formula, also known as the modulus 10″ or “mod 10” algorithm, was developed in the 1960s as a method of validating whether or not identification numbers provided by a user are accurate.

Spark your math thinking!

1. Set up your math mini spark recording page: #83 The Luhn Algorithm
2. Look over this chart.   What do you notice about each of the rows?

3. Read this article about the formula and how it is used in real life to catch errors when shopping online.  Choose 2 of these questions to answer with at least two sentences. Remind your teacher that the key can be found in the math mini spark folder.

1. What is the main purpose of the Luhn Algorithm as described in the text?
2. How does the algorithm determine if a credit card number is valid after a user inputs it incorrectly? Provide specific steps involved in the process.
3. What kind of errors might still pass the Luhn Algorithm, even if the sum is a multiple of ten? Explain why these errors can occur.
4. Why do online stores request additional information, such as the expiration date and card verification number, even if the Luhn Algorithm is used? What does this suggest about the reliability of the algorithm?

3. In this video you will learn how to use the Luhn Algorithm. Make the table on paper as you watch.

4. Optional: Research the creator Peter Luhn and make a timeline with 5-8 details.

5. Optional: Complete the math challenge presented by CEMC math . Print it, read the page and look at the different strategy that they present to you.  Work on the challenge presented.

6. Check your work with this answer key. Remind your teacher that the key can be found in the math mini spark folder.

7. Share your math mini spark recording page with your teacher/EY coordinator.

 A triangular number or triangle number counts objects arranged in an equilateral triangle.

Spark your math thinking!

1. Set up your math mini spark recording page: #81 Triangular Numbers
2. Use this interactive tool to construct triangular numbers until you can see the pattern to answer this question.
3. This is a teaching page that REALLY gets into the math behind these types of problems. Use the formula and see if you can get the right answer to the counter problem.
4. When you have a solution and a written statement about what you did to solve the problem you can click here to see the solution.
5. Check out this triangular number chart.  After looking over the first page, click on “getting started” to explore this resource.
6. Connection: Research the original Lite-Brite, a 1960s toy. Come up with some unique ideas on how teachers can use these toys to teach math, science, and art.
7. Share your math mini spark recording page with your teacher/EY coordinator.

Image source: https://nzmaths.co.nz/sites/default/files/TriangularNumbers.pdf

Spark your math thinking!

1. Set up your math mini spark recording page: #80 Problem Solving PicCollage.       
2. Pick a problem      Problem A      Problem B       Problem C
3. Complete the problem
4. Create a PicCollage with the problem, your work, and your final answer.
5. Ask your EY teacher to correct your work. Solutions are in the mini spark folder.
6. Share your math mini spark recording page with your teacher/EY coordinator.

What is the biggest number you can think of?  What does that number mean?  For this math mini spark, you will be exploring some “really big numbers” and what they mean.

Spark your math thinking!

1. Set up your math mini spark recording page: #79 Really Big Numbers
2. In the episode, “Have You Seen This Snail?”, SpongeBob SquarePants is given a challenge of hitting a paddle ball 29,998,559,671,349 times in a row.  This causes SpongeBob to neglect Gary (his pet snail) and so Gary leaves.  Write this number out in words.

image source: https://images.app.goo.gl/6adwmDetkF9r1Vds7

3. Visit https://www.britannica.com/science/Avogadros-number and write down Avogadro’s Number and what it means.

4. How many different positions are there on a standard Rubik’s Cube?  Visit this site and record the number in your notebook. BONUS: Write the number out in words.

5. Read this Calvin and Hobbes comic strip and record the really large number found in it.  BONUS: Read about another number found in a Calvin and Hobbes comic strip and record it in your notebook.

6. Share your math mini spark recording page with your teacher/EY coordinator.

Thank you https://sites.google.com/site/pointlesslargenumberstuff/ for inspiring this this math mini spark.  It definitely sparked my curiosity!

Spark your math thinking!

1. Set up your math mini spark recording page: #78 If I had a million…
2. For inspiration, listen to How Much Is A Million by David M. Schwartz.

3. Explore the length of ONE MILLION objects.  You have two options for your recording sheet:  you can either print a copy or fill out a digital version. You can also make the charts on your recording page.

4. Create a visual to display your information.  You can use an app of your choice on your iPad or computer.  You can also draw/color on paper. 

5. Share your math mini spark recording page and ONE MILLION object page with your teacher/EY coordinator.

We are surrounded by information (data) and it’s important to organize it into presentable and easy to understand ways!  For this math spark, you are going to display some information of your choice.

Spark your math thinking!

1. Set up your math mini spark recording page: # 77 Organizing Data
2. Start by watching The Great Graph Contest.

3.  Now, choose a topic that you want to graph, the information, and the way you represent it.

4.  Write 5 questions that can be answered from your information. Please also include the answers to your questions.

5. Share your math mini spark recording page with your teacher/EY coordinator.