Irina Boyadzhiev – Resources – GeoGebra

What is the Country?
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Irina Boyadzhiev
The Derivative Function
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Irina Boyadzhiev
Properties of Multiplication: Volume of a Box
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Irina Boyadzhiev
Line Symmetries and the Quadrilaterals
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Irina Boyadzhiev
Golden Triangles and Infinite Series
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Irina Boyadzhiev
Trigonometric Functions with Variable Amplitude
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Irina Boyadzhiev
Elementary Geometry
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Irina Boyadzhiev
Maximum Area of a Rectangle if Fixed Perimeter
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Irina Boyadzhiev
Inverse Function
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Irina Boyadzhiev
Inverse Function
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Irina Boyadzhiev
Mean Value Theorem
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Irina Boyadzhiev
Mamikon's Theorem
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Irina Boyadzhiev
Fractions
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Irina Boyadzhiev
Pythagorean Theorem Proof Without Words
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Irina Boyadzhiev
Addition and Subtraction of Fractions
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Irina Boyadzhiev
Fraction Between Two Fractions
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Irina Boyadzhiev
Writing Fractions with Common Denominators
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Irina Boyadzhiev
Common Denominators
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Irina Boyadzhiev
Equivalent Fractions or Not? Activity
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Irina Boyadzhiev
Equivalent Fractions - One Common Misconception
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Irina Boyadzhiev
Equivalent Fractions or Not?
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Irina Boyadzhiev
Positioning Fractions on the Number Line
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Irina Boyadzhiev
Subtraction of Integers
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Irina Boyadzhiev
Subtraction of Integers
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Irina Boyadzhiev