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Materials for math teaching Welcome to my web site!
I'm Antonija Horvatek, math teacher from Croatia. On this site you can find The Geometer's Sketchpad (gsp) files and Power Point (ppt) presentations that explain basics about:
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- integers
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I usually use them with projector. |
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If you think these materials can help your students understand math better, you can use them in your classes. However, if you would like to use them for other purposes (e.g. in arcticles, lectures, textbooks etc.), then is necessary to ask and to get permission of the author. Anyway, all suggestions, comments, corrections etc. would be very welcome. |
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Fractions |
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Proper, improper and mixed fractions - introduction and revision ( zip (gsp), 72 KB ) Expanding and reducing fractions ( zip (gsp), 9 KB ) Adding and subtracting fractions mentally ( zip (gsp), 78 KB ) Changing mixed fractions to improper fractions ( zip (gsp), 8 KB ) Fractions on number line ( zip (gsp), 81 KB ) Changing numerator and denominator ( zip (gsp), 11 KB ) Fractions - Revision ( zip (ppt), 176 KB ) Last changes - 5th October 2008 Help file - You can use this sketch if you need pictures with colored parts of figures ( zip (gsp), 18 KB ) |
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Decimal numbers |
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Decimal numbers - basics ( zip (gsp), 59 KB ) Comparing decimal numbers ( zip (gsp), 43 KB ) Decimal numbers on number line ( zip (gsp), 48 KB ) Changing from decimal to other forms ( zip (gsp), 16 KB ) Help file - you can use this file if you need pictures with colored parts of figures ( zip (gsp), 17 KB ) |
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Integers |
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Integers - revision ( zip (ppt, doc), 31 KB ) |
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Rational numbers |
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Relationships between fractions, decimal numbers... - PPT presentation for revision ( zip (ppt, doc), 91 KB ) |
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Equations |
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Equality properties - some properties of equalities that kids should understand before introducing equations ( zip (ppt), 380 KB ) |
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Functions |
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Functions - introduction ( zip (ppt), 243 KB ) |
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Perimeter and area |
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What is perimeter? ( zip (gsp), 21 KB ) Area and its measure units ( zip (gsp), 18 KB ) Changing between measure units for area (1 dm2 = ____ cm2 ...) ( zip (gsp), 13 KB ) Areas of rectangle and square ( zip (gsp), 19 KB ) Area and height(s) of triangle ( zip (gsp), 21 KB ) Area of parallelogram ( zip (gsp), 12 KB ) Area of trapezoid ( zip (gsp), 9 KB ) Circumference and circle area ( zip (gsp), 9 KB ) |
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Plane transformations |
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Line reflection, point reflection, translation and rotation ( zip (gsp), 19 KB ) Equal vectors ( zip (gsp), 14 KB ) Adding vectors ( zip (gsp), 24 KB ) |
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Pythagoras' theorem |
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Introduction - discovery of Pythagoras' theorem ( zip (gsp), 8 KB ) Proof of Pythagoras' theorem - algebraic ( zip (gsp), 6 KB ) Proof of Pythagoras' theorem - gemetrical ( zip (gsp), 11 KB ) |
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Space geometry |
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Parallepiped and cube - basic terms, volume and surface area ( zip (gsp), 42 KB ) Analogies beween formulas - comparision between 2-D and 3-D formulas ( zip (ppt), 55 KB ) |
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Statistic and probability |
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Introduction to statistic ( zip (ppt), 351 KB ) Introduction to probability ( zip (ppt), 123 KB ) |
