ETS Praxis Information

All of the the links on this page can also be found on the Math Department site organized by topics within the Baltimore County Middle School Mathematics curriculum.

Conversion Table for Length, Mass, and Volume

Conversion Table for Speed, Power, and Temperature

Math Symbols

Length - Conversions for Metric and Customary Units

Mass - Conversions for Metric and Customary Units

Area - Conversions for Metric and Customary Units

Area Formulas - a list with diagrams

Volume - Conversions for Metric and Customary Units

Volume Formulas - a list with diagrams

Names of BIG Numbers

Roman Numerals

Prime Numbers up to 1000

Table of Squares and Square Roots up to 40

Decimal, Binary, and Hexadecimal Number Conversions

Glossary - a list of math terms with definitions and audio

How to enter an equation and see the graph

How to enter an equation and see the table

How to change the x value in the table

How to enter data to construct a scatterplot

How to construct a scatterplot

Prime Factorization

Factoring Composite Numbers

Greatest Common Factor and Least Common Multiple (GCF and LCM)

Ratios and Proportions

The Percent Symbol

Calculating Percents

Percent Word Problems

Decimals, Fractions, and Percent

Solving Equations using a balance scale

Order of Operations

More Order of Operations

Associative and Distributive Property

Distributive Property

List of Properties

Slope Calculation - an interactive graph

Slope and Intercepts

Slope, Equation, and y-intercept

Interactive graph with Slope Intercept Form

Point Slope Form

Exploring Rate of Change - constant cost per minute

Exploring Rate of Change - changing cost per minute

Exploring Rate of Change - distance vs. speed

Solving Systems of Equations by Substitution

Solving Inequalities

Graphing Inequalities

Function Machine

Interactive Function Machine

Function Grapher

Quadratic Function Game

Quadratic Equation Solver

Graphing Quadratic Functions

Graphing Parabolas

Laws of Exponents - practice

Laws of Exponents - a list

Scientific Notation

Scientific Notation Practice

Square Root Symbol

Properties of Square Roots

The Pythagorean Theorem - another proof

The Pythagorean Theorem - with various sizes of triangles

The Pythagorean Theorem - solve for missing sides

Practice with the Pythagorean Theorem

Polynomial Vocabulary - a list

Probability of Independent Events

Factorials

Factorials - a list of the first twelve factorials

Virtual Spinner

Virtual Spinner and Virtual Dice

Virtual Spinner with
Experimental and Theoretical Probability

Adjustable Virtual Spinner with
Experimental and Theoretical Probability

Theoretical vs. Actual Probability

Geometric Probability

Racing Game with One Die

Racing Game with Two Dice

Virtual Bag of Marbles with
Experimental and Theoretical Probability

Permutations and Combinations

Scatter Plots

Line of Best Fit Investigation

Mean, Median, Mode, and Range

Stem and Leaf Plots - an interactive graph

Line Plot with Mean, Median, and Mode

Box and Whisker Plot

Box and Whisker Plot
- an interactive graph with several data sets

Histogram

Histogram - an interactive graph with several data sets

Geometry Definitions

Circle Graphs - an interactive graph with several data sets

Circle Graphs

Investigations with Circles

Measuring Angles - a demonstration

Measuring Angles - a virtual protractor

Interactive Geoboard

How long can the sides of a triangle be?

Angles Relationships and Parallel Lines

Investigations with Angles and Parallel Lines

Investigations with Congruent Figures and Triangles

Congruent Polygons and Transformations

Transformations - Dilation

Transformations - Reflection

Transformations -Rotation

Transformations -Translation

Transformations of Parallelograms and Triangles
- an interactive graph

Transformation of Polygons - an interactive graph

Reflections and Translations

Tessellations

Area and Perimeter of a Triangle

Area of Polygons - demonstrations, formulas, and a comparison to perimeter

Investigations with Similar Figures

Polygon Names - a list

Area Formulas - a list with diagrams

Area and Perimeter of a Triangle

Area and Perimeter of a Trapezoid

Area and Perimeter of a Parallelogram

Investigations with Quadrilaterals and Area

Area and Circumference of Circles

Area of a Circle

Polyhedrons and More Polyhedrons

Three Dimensional View of Polyhedra

Volume Predictions

Volume Formulas - a list with diagrams

Surface Area and Volume of Prisms

Surface Area and Volume of a Sphere

Surface Area and Volume of a Cone

Spatial Visualization with Cubes

Changing a number from base 2 to base 10