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5.0 (2) · Ages 5-10

Private Math Tutor 1:1 for All Elementary Grades 30 Minute Sessions

5.0 (26) · Ages 10-15

Mental Math -Shortcuts and Tricks for Super Quick Calculations (Once a Week, 6 Weeks)


Dynamic Multi-Digit Multiplication and Division with the Montessori Stamp Game (Flex)

Learn how to use this Montessori mathmaterial to understand the meaning behind the steps of the standard algorithms for multi-digit multiplication and division with numbers into the thousands. Lets make math concrete and accessible!
Arden Ashley-Wurtmann, MSEd
391 total reviews for this teacher
Completed by 10 learners
  There are no upcoming classes.
No live meetings
Over 6 weeks
year olds
learners per class
per learner - per week

How does a "Flex" course work?

No scheduled live video chats
Discussions via classroom forum and private messages with the teacher
Great if your learner prefers independent pacing or is uncomfortable with live video chat

There are no open spots for this class.

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Class Experience

I was a "Montessori child" myself and the stamp game is one of the materials that I find most engaging now as an educator. Both my children go to Montessori school and began using the stamp game and other Montessori materials at a young age. As a math teacher for over 14 years, I very much value the way that hands-on methods like these reinforce key concepts like place value, the decimal system, and general number sense. 
 1 file available upon enrollment
Printable handouts will be provided, but the work can be done by copying the problems onto a separate sheet of paper for those that do not have access to a printer. A physical Stamp Game is not required, but is recommended. Mine is from Pink Montessori, but the wait time was pretty slow. If you are hoping for it to arrive faster, you might want to check out Amazon: (This link is provided for your convenience. It is not an affiliate link.)
No live meetings, and an estimated 1 - 2 hours per week outside of class.


Arden Ashley-Wurtmann, MSEdA Nerdy Teacher with a Love of Learning
391 total reviews
452 completed classes

About Me

I have been teaching since 2006 and my specialties are Pre-Algebra, Algebra and Geometry.  Although I have been focusing on math education for the majority of my time as a teacher, I started my career in the sciences. I have a biology degree from... 
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