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Core Disciplines
Here are the most popular resources this week:
| Resource | Views* | Quick Launch | |
|---|---|---|---|
| 1 | Simplifying Expressions Using Order of Operations | 8,227 | Try Now |
| 2 | Rules for Simplifying Exponents | 7,618 | Try Now |
| 3 | Triangles: Proving Congruency | 6,565 | Try Now |
| 4 | Solving Simple Equations | 5,275 | Try Now |
| 5 | Real Number Hierarchy | 4,664 | Try Now |
| 6 | Parallel Lines: Special Angles | 4,575 | Try Now |
| 7 | Graphing Linear Equations | 4,563 | Try Now |
| 8 | How to Solve Equations | 3,009 | Try Now |
| 9 | Graphing Dilations | 2,972 | Try Now |
| 10 | Powers and Roots: How They are Related | 2,934 | Try Now |
| 11 | Angles, Angles, and More Angles | 2,684 | Try Now |
| 12 | Flash Cards: Integers 0 to 12 | 2,580 | Try Now |
| 13 | Flash Cards: Fractions | 2,552 | Try Now |
| 14 | Graphing Translations | 2,445 | Try Now |
| 15 | Graphing Reflections | 2,411 | Try Now |
| 16 | Solving Linear Inequalities | 2,361 | Try Now |
| 17 | Graphing on a Coordinate Plane | 2,344 | Try Now |
| 18 | Triangles: Interior and Exterior Angles | 2,228 | Try Now |
| 19 | Intersecting Parallel Lines: Perspective in Art | 2,174 | Try Now |
| 20 | Similarity and Proportions | 2,166 | Try Now |
| 21 | Pythagorean Theorem | 2,112 | Try Now |
| 22 | Slope | 1,875 | Try Now |
| 23 | Parallel and Perpendicular Slopes | 1,757 | Try Now |
| 24 | Simplifying Expressions by Factoring | 1,668 | Try Now |
| 25 | Evaluating Expressions | 1,616 | Try Now |
| 26 | Graphing Linear Inequalities | 1,592 | Try Now |
| 27 | Triangles: Proving Similarity | 1,584 | Try Now |
| 28 | The MEAN-ing of the Standard Deviation | 1,532 | Try Now |
| 29 | Simplifying Radical Expressions | 1,472 | Try Now |
| 30 | Simplifying Polynomial Expressions | 1,456 | Try Now |
| 31 | Flash Cards: Decimals | 1,443 | Try Now |
| 32 | Exploring Graphs of Quadratic Functions | 1,367 | Try Now |
| 33 | Polygons: Interior and Exterior Angles | 1,357 | Try Now |
| 34 | Solving Equations and Checking Your Work | 1,292 | Try Now |
| 35 | Graphing Systems of Linear Inequalities | 1,280 | Try Now |
| 36 | Graphing Linear Systems | 1,278 | Try Now |
| 37 | Simplifying Rational Expressions | 1,268 | Try Now |
| 38 | Midpoint Formula | 1,205 | Try Now |
| 39 | The Pros and Cons of the Measures of Central Tendency | 1,184 | Try Now |
| 40 | Basic Probability | 1,179 | Try Now |
| 41 | Real-World Examples of Quadratic Functions | 1,172 | Try Now |
| 42 | Properties of Quadrilaterals | 1,108 | Try Now |
| 43 | Graphing Rotations | 1,106 | Try Now |
| 44 | Measures of Central Tendency | 1,097 | Try Now |
| 45 | Solving Linear Systems | 1,050 | Try Now |
| 46 | Distance: 1, 2, and 3 Dimensions | 1,042 | Try Now |
| 47 | Vertical and Horizontal Lines | 990 | Try Now |
| 48 | Exploring Graphs of Special Functions | 988 | Try Now |
| 49 | Solving Quadratic Equations | 983 | Try Now |
| 50 | Right Triangle Trigonometry | 978 | Try Now |
| 51 | Analyzing Box-and-Whisker Plots | 965 | Try Now |
| 52 | Exploring Variations | 915 | Try Now |
| 53 | Sampling Methods and Bias | 913 | Try Now |
| 54 | Finding the Area of a Sector | 909 | Try Now |
| 55 | Using 2D Figures to Understand 3D Solids | 860 | Try Now |
| 56 | Solving Linear Equations | 854 | Try Now |
| 57 | Describing the Rate of Change of an Exponential Function | 852 | Try Now |
| 58 | Solving Absolute Value Equations | 836 | Try Now |
| 59 | The Break-Even Point | 830 | Try Now |
| 60 | Exploring Graphs of Linear Equations | 827 | Try Now |
| 61 | Adding and Subtracting Polynomials | 803 | Try Now |
| 62 | Latitude, Longitude, and the Cartesian Plane | 791 | Try Now |
| 63 | Transforming Graphs of Sine and Cosine | 744 | Try Now |
| 64 | Volume: Prisms and Cylinders | 731 | Try Now |
| 65 | From Words to Equations and Back Again | 690 | Try Now |
| 66 | Modeling Polynomial Functions | 684 | Try Now |
| 67 | Simplified Radicals | 672 | Try Now |
| 68 | Exploring Graphs of Linear Systems | 667 | Try Now |
| 69 | Simplifying Expressions with Complex Numbers | 665 | Try Now |
| 70 | Area and Circumference of a Circle | 615 | Try Now |
| 71 | Hyperbolas, Asymptotes, and Factoring | 588 | Try Now |
| 72 | Exploring Transformations | 571 | Try Now |
| 73 | Comparing Translations, Reflections, and Rotations | 570 | Try Now |
| 74 | CPCTC | 539 | Try Now |
| 75 | Probability Distribution and Its Use | 533 | Try Now |
| 76 | Fibo-Nature Numbers | 494 | Try Now |
| 77 | Determining Perfect Numbers | 493 | Try Now |
| 78 | Solving Quadratic Inequalities | 490 | Try Now |
| 79 | Exploring Graphs of Polynomial Functions | 487 | Try Now |
| 80 | Proving Trigonometric Identities | 468 | Try Now |
| 81 | Parallel or Perpendicular? | 466 | Try Now |
| 82 | Exploring Rates of Change | 458 | Try Now |
| 83 | Is This Number Exact or Approximate? Is It Accurate or Precise? | 458 | Try Now |
| 84 | Applications of Logarithms | 439 | Try Now |
| 85 | Simplifying Basic Matrices | 435 | Try Now |
| 86 | Understanding Polar Coordinates | 432 | Try Now |
| 87 | Area of Triangles and Quadrilaterals | 430 | Try Now |
| 88 | Pairs and Primes | 427 | Try Now |
| 89 | Beyond the Correlation Coefficient | 412 | Try Now |
| 90 | Polynomials and Perimeters | 400 | Try Now |
| 91 | Graphing Quadratic Functions | 395 | Try Now |
| 92 | Scientific Calculator | 386 | Try Now |
| 93 | Types of Symmetry | 386 | Try Now |
| 94 | Radical Equations and Extraneous Roots | 378 | Try Now |
| 95 | Understanding the Discriminant of a Quadratic Equation | 366 | Try Now |
| 96 | Exploring the Coordinate Plane | 358 | Try Now |
| 97 | Key Features of Rational Functions | 358 | Try Now |
| 98 | House Plans | 355 | Try Now |
| 99 | Applications of Recursion | 354 | Try Now |
| 100 | Division by Zero | 348 | Try Now |
| 101 | Polynomial Patterns | 340 | Try Now |
| 102 | Systems of Linear and Nonlinear Equations | 337 | Try Now |
| 103 | The Limit of a Sequence | 333 | Try Now |
| 104 | What Is Happening to My Absolute Value Parent? | 330 | Try Now |
| 105 | Graphing Absolute Value Equations and Inequalities | 329 | Try Now |
| 106 | Surface Area of Prisms and Cylinders | 322 | Try Now |
| 107 | Explorations in Logarithms | 304 | Try Now |
| 108 | Going Around in Circles | 300 | Try Now |
| 109 | Distance Formula in Washington, DC | 296 | Try Now |
| 110 | Solving and Graphing Inequalities | 291 | Try Now |
| 111 | Exploring Systems of Linear Inequalities | 290 | Try Now |
| 112 | More Than One Parallel Line? | 285 | Try Now |
| 113 | Slope of Handicap Ramps | 283 | Try Now |
| 114 | The Importance of the Remainder and Factor Theorems | 279 | Try Now |
| 115 | Area and Perimeter of Similar Polygons | 277 | Try Now |
| 116 | Seeing is believing | 274 | Try Now |
| 117 | Rules for Simplifying Rational Expressions | 269 | Try Now |
| 118 | A Few Words on Factoring | 260 | Try Now |
| 119 | Circles: Chords, Secants, and Tangents | 256 | Try Now |
| 120 | De Moivre's Theorem and Powers of Complex Numbers | 253 | Try Now |
| 121 | Solving Quadratic Equations with Complex Roots | 253 | Try Now |
| 122 | Domains of Composite Functions | 248 | Try Now |
| 123 | Traffic Jam | 245 | Try Now |
| 124 | Similarity and Problem-Solving | 238 | Try Now |
| 125 | Combinations vs. Permutations | 237 | Try Now |
| 126 | Radicals...Applied! | 232 | Try Now |
| 127 | Exploring Graphs of Piecewise Functions | 231 | Try Now |
| 128 | Exploring Graphs of Absolute Value Equations and Inequalities | 230 | Try Now |
| 129 | The AIDS Epidemic | 228 | Try Now |
| 130 | Understanding the Domain of Inverse Trig Functions | 228 | Try Now |
| 131 | Factor Away! | 227 | Try Now |
| 132 | Cryptography | 219 | Try Now |
| 133 | Classical Angle Constructions | 218 | Try Now |
| 134 | How Much Daylight in an Average Day? | 217 | Try Now |
| 135 | Which Method Is Best? | 216 | Try Now |
| 136 | Synthetic Division Calculator | 209 | Try Now |
| 137 | Two Methods for Graphing Linear Inequalities | 207 | Try Now |
| 138 | The Law of Sines and the Ambiguous Case | 206 | Try Now |
| 139 | Height of a Tree | 205 | Try Now |
| 140 | Discovering the Advantages and Disadvantages of Sigma Notation | 200 | Try Now |
| 141 | Variability of World Leaders | 200 | Try Now |
| 142 | Intensity of an Earthquake | 197 | Try Now |
| 143 | Literary Uses of Points, Lines, and Planes | 192 | Try Now |
| 144 | Measuring the Diagonal of a Classroom | 192 | Try Now |
| 145 | Exploring Graphs of Linear Inequalities | 180 | Try Now |
| 146 | Producing Crunch Berries Cereal | 180 | Try Now |
| 147 | Probability Distribution of Throwing Two Dice | 178 | Try Now |
| 148 | Using Pascal's Triangle | 174 | Try Now |
| 149 | Centroid of a Triangle | 171 | Try Now |
| 150 | Zeros and End Behavior of Polynomial Functions | 171 | Try Now |
| 151 | Properties of Rational Functions | 169 | Try Now |
| 152 | Relationship between Factors and Roots | 159 | Try Now |
| 153 | Choosing the "Best" Statistic | 158 | Try Now |
| 154 | Graphing Quadratic Inequalities | 157 | Try Now |
| 155 | Predicting Earthquakes through Graphs | 154 | Try Now |
| 156 | Does Your Inverse Function? | 150 | Try Now |
| 157 | Congruency in Transformations | 146 | Try Now |
| 158 | Solving One- and Two-Variable Quadratic Inequalities | 143 | Try Now |
| 159 | Statistics in the News: What to Believe? | 143 | Try Now |
| 160 | Home Run Derby | 137 | Try Now |
| 161 | Real-world Quadratic | 133 | Try Now |
| 162 | Complex Roots of Quadratic Equations | 131 | Try Now |
| 163 | Relationships in Proportion | 131 | Try Now |
| 164 | Why Are Sine and Cosine Called Circular Functions? | 128 | Try Now |
| 165 | Even and Odd Functions | 126 | Try Now |
| 166 | Going to Extremes | 123 | Try Now |
| 167 | Newton's Law of Cooling | 123 | Try Now |
| 168 | Animal Crackers | 120 | Try Now |
| 169 | Matching Correlation and Plot | 120 | Try Now |
| 170 | Mean and Median: Are They Stable? | 120 | Try Now |
| 171 | Playing Jeopardy with the Roots of a Quadratic Equation | 119 | Try Now |
| 172 | Matrices and Determinants | 118 | Try Now |
| 173 | Towers of Hanoi | 118 | Try Now |
| 174 | Using Data to Make Good Decisions | 116 | Try Now |
| 175 | What's My Data Type? | 114 | Try Now |
| 176 | Central and Inscribed Angles in Circles | 112 | Try Now |
| 177 | How Many Ways Can the Pythagorean Theorem Be Proven? | 111 | Try Now |
| 178 | Lines in Multiple Environments | 111 | Try Now |
| 179 | Random Samples Using Surveys | 111 | Try Now |
| 180 | Quadratic Functions: Two for the Graph of One | 108 | Try Now |
| 181 | Lighthouses | 107 | Try Now |
| 182 | Line Graphs with Real-World Data | 106 | Try Now |
| 183 | Triangle Conjectures | 103 | Try Now |
| 184 | Using Systems of Equations to Make Money | 103 | Try Now |
| 185 | Logarithms Function with pH | 102 | Try Now |
| 186 | It's Your Move | 101 | Try Now |
| 187 | Matrices and Systems | 101 | Try Now |
| 188 | The Highs and Lows of a Quadratic Function | 101 | Try Now |
| 189 | Figurate Numbers | 96 | Try Now |
| 190 | Surface Area and Volume Relationships | 96 | Try Now |
| 191 | Garden Fences | 95 | Try Now |
| 192 | Paper Folding Triangles and Euler's Line | 95 | Try Now |
| 193 | The Best Use of Your Time | 94 | Try Now |
| 194 | Biorhythms and Sine Curves | 93 | Try Now |
| 195 | Exploring Sequences | 90 | Try Now |
| 196 | When Should Vegetables Be Planted in the Garden? | 88 | Try Now |
| 197 | Congruency and Similarity in Quilt Design | 82 | Try Now |
| 198 | Exploring Graphs of Quadratic Inequalities | 82 | Try Now |
| 199 | Greek Division | 82 | Try Now |
| 200 | Satellite Orbits | 82 | Try Now |
| 201 | A Polar Family Treasure | 81 | Try Now |
| 202 | Changing Data: Effects on Variability | 81 | Try Now |
| 203 | How Wide Is a Football Field? | 81 | Try Now |
| 204 | A Three Point Circle | 80 | Try Now |
| 205 | Data Gathering with Independent and Dependent Variables | 80 | Try Now |
| 206 | Counts vs. Percentages | 79 | Try Now |
| 207 | Surface Area as an Art Form | 77 | Try Now |
| 208 | Four Points about Point | 76 | Try Now |
| 209 | In Search of Pi | 76 | Try Now |
| 210 | Restriction of Domains | 76 | Try Now |
| 211 | Discovering e | 75 | Try Now |
| 212 | Binomial Factoring vs. Binomial Expansion | 74 | Try Now |
| 213 | Indirect Measure | 74 | Try Now |
| 214 | Rational Scale Factors | 73 | Try Now |
| 215 | Your Town's Average Temperature and a Sine Curve | 73 | Try Now |
| 216 | Monster Curves | 68 | Try Now |
| 217 | Orbits and Julia Sets | 66 | Try Now |
| 218 | Solving Rational Inequalities | 62 | Try Now |
| 219 | All Nets Are Not Created Equal | 61 | Try Now |
| 220 | Central Tendencies from Web Data | 61 | Try Now |
| 221 | Sentences, Words, and Reading Level | 61 | Try Now |
| 222 | "Pick" a Formula | 60 | Try Now |
| 223 | Relatively Speaking | 59 | Try Now |
| 224 | Graphing Rational Functions | 58 | Try Now |
| 225 | Using a Trig Equation with the Nautical Mile | 56 | Try Now |
| 226 | Building a Riemannian World | 54 | Try Now |
| 227 | In Focus: Applications of Rational Functions | 52 | Try Now |
| 228 | Approximating Sine and Cosine | 51 | Try Now |
| 229 | Circular vs. Hyperbolic Trig Functions | 51 | Try Now |
| 230 | Matrix Operations: Associative or Commutative? | 51 | Try Now |
| 231 | Cryptography and Matrices | 50 | Try Now |
| 232 | Appli-COMPLEX-cations | 49 | Try Now |
| 233 | Map-Matical Induction | 47 | Try Now |
| 234 | Finding a More General Area Formula | 46 | Try Now |
| 235 | Using Your Own Data | 46 | Try Now |
| 236 | Infinitely Interesting Series | 45 | Try Now |
| 237 | Analyzing and Presenting a Month's Collection of Data | 44 | Try Now |
| 238 | Classical Curves: Polar and Rectangular Graphs | 44 | Try Now |
| 239 | SierPascal's Triangle? | 43 | Try Now |
| 240 | Bisection Theorem | 40 | Try Now |
| 241 | Approximating π with Inverse Trigonometric Functions | 37 | Try Now |
| 242 | Decisions, Decisions | 34 | Try Now |
| 243 | Rational Function Models: The Mo$t for Your Dollar | 33 | Try Now |
| 244 | Zeno's Paradoxes | 31 | Try Now |
| 245 | Conics in Polar Form | 28 | Try Now |
| 246 | Discovering the Period of a Pendulum | 26 | Try Now |
| 247 | N x N Non-taking Rooks | 22 | Try Now |
| 248 | Create Your Own Polar Curve | 20 | Try Now |
| 249 | Hyperbolic Analogies of Common Trigonometric Identities | 19 | Try Now |
*Views represent combined teacher and student resource usage for the current academic year.
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