Pre-Algebra (2005) Gizmos | Browse by Core Curriculum

1: Variables, Expressions, and Integers

1.1: Expressions and Variables

1.3: Order of Operations

1.4: Comparing and Ordering Integers

1.5: Adding Integers

1.6: Subtracting Integers

1.8: The Coordinate Plane

2: Solving Equations

2.2: The Distributive Property

2.3: Simplifying Variable Expressions

2.4: Variables and Equations

2.5: Solving Equations Using Addition or Subtraction

2.7: Decimal Operations and Equations with Decimals

3: Multi-Step Equations and Inequalities

3.1: Solving Two-Step Equations

3.3: Solving Equations with Variables on Both Sides

3.4: Solving Inequalities Using Addition or Subtraction

3.5: Solving Inequalities Using Multiplication or Division

4: Factors, Fractions, and Exponents

4.1: Factors and Prime Factorization

4.3: Equivalent Fractions

4.4: Least Common Multiple

4.5: Rules of Exponents

4.6: Negative and Zero Exponents

5: Rational Numbers and Equations

5.2: Adding and Subtracting Like Fractions

5.3: Adding and Subtracting Unlike Fractions

5.4: Multiplying Fractions

5.5: Dividing Fractions

6: Ratio, Proportion, and Probability

6.1: Ratios and Rates

6.2: Writing and Solving Proportions

6.4: Similar and Congruent Figures

6.5: Similarity and Measurement

6.7: Probability and Odds

7: Percents

7.1: Percents and Fractions

7.2: Percents and Proportions

7.3: Percents and Decimals

7.5: Percent of Change

7.6: Percent Applications

7.7: Simple and Compound Interest

8: Linear Functions

8.1: Relations and Functions

8.2: Linear Equations in Two Variables

8.4: The Slope of a Line

8.5: Slope-Intercept Form

8.8: Systems of Linear Equations

8.9: Graphs of Linear Inequalities

9: Real Numbers and Right Triangles

9.1: Square Roots

9.3: The Pythagorean Theorem

9.5: The Distance and Midpoint Formulas

9.7: The Tangent Ratio

9.8: The Sine and Cosine Ratios

10: Measurement, Area, and Volume

10.1: Triangles

10.2: Polygons and Quadrilaterals

10.3: Areas of Parallelograms and Trapezoids

10.4: Circumference and Area of a Circle

10.5: Surface Areas of Prisms and Cylinders

10.6: Surface Areas of Pyramids and Cones

10.7: Volumes of Prisms and Cylinders

10.8: Volumes of Pyramids and Cones

11: Data Analysis and Probability

11.1: Stem-and-Leaf Plots and Histograms

11.2: Box-and-Whisker Plots

11.6: Permutations

11.7: Combinations

11.9: Independent and Dependent Events

12: Polynomials and Nonlinear Functions

12.1: Polynomials

12.2: Adding and Subtracting Polynomials

12.6: Quadratic Functions

12.7: Exponential Growth and Decay

12.8: Sequences

13: Angle Relationships and Transformations

13.1: Angle Relationships

13.2: Angles and Parallel Lines

13.3: Angles and Polygons

13.4: Translations

13.5: Reflections and Symmetry

13.6: Rotations and Symmetry

13.7: Dilations