# GeoGebra

## Editor Review

#### Mathematical Standards

##### Grade 6: Expressions and Equations:

Represent and analyze quantitative relationships between dependent and independent variables.

##### Grade 6: Geometry:

Solve real-world and mathematical problems involving area, surface area and volume.

##### Grade 7: Geometry:

Draw, construct and describe geometrical figures and describe the relantionships between them.

##### Grade 7: Geometry:

Solve real-life and mathematical problems involving angle measure, area, surface area, and volume.

##### Grade 8: Expressions and Equations:

Understand the connections between proportional relationships, lines, and linear equations.

##### Grade 8: Expressions and Equations:

Analyze and solve linear equations and pairs of simultaneous linear equations.

##### Grade 8: Functions:

Define, evaluate, and compare functions.

##### Grade 8: Functions:

Use functions to model relationships between quantities.

##### Grade 8: Geometry:

Understand congruence and similarity using physical models, transparencies, or geometry software.

##### Grade 8: Geometry:

Understand and apply the Pythagorean Theorem.

##### High School - Algebra: Creating Equations:

Create equations that describe numbers or relationships.

##### High School - Algebra: Reasoning with Equations and Inequalities:

Represent and solve equations and inequalities graphically.

##### High School - Functions: Interpreting Functions:

Analyze functions using different representations.

##### High School - Functions: Building Functions:

Build new functions from existing functions.

##### High School - Functions: Linear:

Construct and compare linear and exponential models and solve problems.

##### High School - Geometry: Congruence:

Experiment with transformations in the plane.

##### High School - Geometry: Congruence:

Understand congruence in terms of rigid motions.

##### High School - Geometry: Congruence:

Make geometric constructions.

##### High School - Geometry: Similarity:

Understand similarity in terms of similarity transformations.

##### High School - Geometry: Circles:

Understand and apply theorems about circles.

#### Standards for Mathematical Practices

SMP 4: Model with mathematics.

#### Level of Cognitive Demand

##### Level 3: Procedures With Connections

Tasks implicitly or explicitly call for particular procedures or algorithms, but do so to make connections to underlying concepts.

#### Related Scholarly

Research on App: n/a Research on similar materials/program predating the app: Faruk Tutkun, O., & Ozturk, B. (2013). THE EFFECT OF GEOGEBRA MATHEMATICAL SOFTWARE TO THE ACADEMIC SUCCESS AND THE LEVEL OF VAN HIELE GEOMETRICAL THINKING. International Journal of Academic Research, 5(4). Zakaria, E. (2012). The Effect of Geogebra on Students' conceptual and Procedural Knowledge of Function. Indian Journal of Science and Technology, 5(12), 3802-3808. Zengin, Y., Furkan, H., & Kutluca, T. (2012). The effect of dynamic mathematics software geogebra on student achievement in teaching of trigonometry. Procedia-Social and Behavioral Sciences, 31, 183-187.