## Math in the News: Issue 85January 3, 2014

Posted by Media4Math in algebra, math, media.
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In this issue of Math in the News we look at box office data from 2013. We look for patterns in the data and analyze the data using different data displays, including bar graphs, line graphs, scatterplot, and tables. This provides an excellent opportunity for data analysis.

## New Math Solver: Multiplying 2 x 2 MatricesJanuary 2, 2014

Posted by Media4Math in algebra, math, media.
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We just posted a new Math Solver for multiplying 2 x 2 matrices. Simply input the values for each matrix and get a detailed solution of the product. Click on the image to the Solver.

## Math Solvers: Matrix Addition and SubtractionJanuary 1, 2014

Posted by Media4Math in algebra, math, media.
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We just added two Math Solvers for adding and subtracting 2 x 2 matrices. For each solver, input the elements of each matrix, then press Calculate. You’ll be shown a detailed solution. These solutions can be cut and pasted into a Word document, allowing you to create your own overhead transparencies. Click on the image to see these Solvers.

## Flash Interactives: Matrix Addition and SubtractionJanuary 1, 2014

Posted by Media4Math in algebra, math, media.
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We just posted two Flash Interactives on matrix addition and subtraction. Each goes through the process of determining if matrices can be combined, and how to do so in specific cases. Click on image to see these Flash Interactives.

## Math Games and Puzzles: SudokuDecember 31, 2013

Posted by Media4Math in math, media.
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We’ve just uploaded a collection of Sudoku Puzzles on Media4Math+. Puzzles like this provide an excellent opportunity for students to practice their problem solving skills. If you’re not sure how to play Sudoku, see our video on the rules of the game.

## New Flash InteractivesDecember 13, 2013

Posted by Media4Math in geometry, math, media.
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We have just posted three new Flash Interactives to walk students through these geometric constructions:

– Parallel lines

– Congruent angles

– Bisecting an angle

These constructions show step-by-step instructions for these paper-and-pencil constructions. Click on the image to see our growing library of Geometric Constructions.

## Video: Algebra NspirationsDecember 11, 2013

Posted by Media4Math in algebra, graphing calculators, math, media.
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Here is a sample video from our Algebra Nspirations video series on Meia4Math+. This 10-part series covers all key topics from a full-year Algebra course and uses the TI-Nspire CX.

## Media4Math+ GlossaryDecember 10, 2013

Posted by Media4Math in algebra, geometry, math, media.
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We continue to add new glossary items to Media4Math+. These jpg images can easily be incorporated into a PowerPoint or Whiteboard presentation. Click here to see the Glossary.

## Math in the News: Flash EditionDecember 8, 2013

Posted by Media4Math in algebra, geometry, math, media.
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