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Mortensen Math

A snippet of why I do what I do

22 Aug 201818 Jan 2021
Mortensen Math

Deriving the formula for area of a circle

26 Jan 201818 Jan 2021
A first exposure for a grade 7 student on the basic parts of a circle and the derivation of a circle's area formula. It was engaging and interactive and went…
Mortensen Math

Positive and Negative Integer Flash Cards [-100,+100] on TPT

10 Jan 201818 Jan 2021
I finally got around to putting my positive and negative integer flashcards up on my TPT store. I use them with most of my students. We use them to learn…
Mortensen Math

Fractional / Decimal blocks

30 Dec 201718 Jan 2021
We had some fun making fraction/decimal blocks for use when completing the square and squaring decimal numbers ending in five. Below is the zero pair used when completing the square…
Counting…

Addend and Factor Fun!

25 Dec 201720 Jul 2018
Get out the blocks, play, laugh, and learn.
Mortensen Math

Japanese Multiplication Trick – or is it?

12 Dec 201718 Jan 2021
The Japanese Multiplication Trick as it is called has been circulating social media sites again and with it have been a lot of questions about why it works and if…
Global Community…

Welcome to Anna’s Math Page!

10 May 201724 Jan 2021
Thank you for joining the global community of parents and educators wanting to learn and teach Mortensen More Than Math to their children and students. When I first started this page…
Counting

N Stuff Series

21 Apr 201718 Jan 2021
These booklets create a fun way for the child to learn counting, matching and relationships as well as addition and subtraction facts. By superimposing the unit rods on the image…
Mortensen Math

TPT

7 Feb 201718 Jan 2021
Anna's Math Page can now be found on Teachers Pay Teachers. Go on over and check it out to get a free set of polynomial flash cards.  
Dynamic Subtraction…

Bringing Understanding to Dynamic Subtraction

15 Sep 201628 Jan 2021
Many students struggle to understand and remember the standard dynamic subtraction algorithm. There are many great alternatives to the standard algorithm. The images above show one alternative that can help bring…

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