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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 | 5,895 | Try Now |
| 2 | Intersecting Parallel Lines: Perspective in Art | 4,236 | Try Now |
| 3 | Solving Simple Equations | 3,455 | Try Now |
| 4 | Parallel Lines: Special Angles | 2,843 | Try Now |
| 5 | Triangles: Interior and Exterior Angles | 2,114 | Try Now |
| 6 | Simplifying Polynomial Expressions | 1,693 | Try Now |
| 7 | Triangles: Proving Congruency | 1,689 | Try Now |
| 8 | Angles, Angles, and More Angles | 1,537 | Try Now |
| 9 | How to Solve Equations | 1,492 | Try Now |
| 10 | Graphing Linear Equations | 1,398 | Try Now |
| 11 | The Pros and Cons of the Measures of Central Tendency | 1,396 | Try Now |
| 12 | Solving Linear Inequalities | 1,363 | Try Now |
| 13 | Solving Quadratic Inequalities | 1,253 | Try Now |
| 14 | Rules for Simplifying Exponents | 1,173 | Try Now |
| 15 | Flash Cards: Integers 0 to 12 | 1,144 | Try Now |
| 16 | Finding the Area of a Sector | 1,011 | Try Now |
| 17 | Solving Equations and Checking Your Work | 917 | Try Now |
| 18 | Flash Cards: Decimals | 907 | Try Now |
| 19 | Graphing on a Coordinate Plane | 893 | Try Now |
| 20 | Graphing Translations | 885 | Try Now |
| 21 | Simplifying Expressions by Factoring | 883 | Try Now |
| 22 | Simplifying Radical Expressions | 794 | Try Now |
| 23 | Pre-Algebra: Graphing Linear Equations | 729 | Try Now |
| 24 | Distance: 1, 2, and 3 Dimensions | 706 | Try Now |
| 25 | Polygons: Interior and Exterior Angles | 693 | Try Now |
| 26 | Graphing Linear Systems | 658 | Try Now |
| 27 | Parallel and Perpendicular Slopes | 656 | Try Now |
| 28 | Graphing Dilations | 624 | Try Now |
| 29 | Solving Absolute Value Equations | 609 | Try Now |
| 30 | Graphing Rotations | 573 | Try Now |
| 31 | Using 2D Figures to Understand 3D Solids | 551 | Try Now |
| 32 | Solving Linear Systems | 550 | Try Now |
| 33 | Properties of Quadrilaterals | 532 | Try Now |
| 34 | Simplifying Basic Matrices | 526 | Try Now |
| 35 | Real Number Hierarchy | 517 | Try Now |
| 36 | The Break-Even Point | 501 | Try Now |
| 37 | Area and Circumference of a Circle | 500 | Try Now |
| 38 | Evaluating Expressions | 497 | Try Now |
| 39 | Midpoint Formula | 484 | Try Now |
| 40 | Exploring Graphs of Linear Equations | 480 | Try Now |
| 41 | Adding and Subtracting Polynomials | 476 | Try Now |
| 42 | Graphing Systems of Linear Inequalities | 470 | Try Now |
| 43 | Comparing Translations, Reflections, and Rotations | 468 | Try Now |
| 44 | Simplifying Rational Expressions | 463 | Try Now |
| 45 | Solving Linear Equations | 455 | Try Now |
| 46 | Real-World Examples of Quadratic Functions | 452 | Try Now |
| 47 | Pythagorean Theorem | 441 | Try Now |
| 48 | CPCTC | 427 | Try Now |
| 49 | Going Around in Circles | 414 | Try Now |
| 50 | Graphing Reflections | 410 | Try Now |
| 51 | House Plans | 410 | Try Now |
| 52 | Area of Triangles and Quadrilaterals | 407 | Try Now |
| 53 | Similarity and Proportions | 404 | Try Now |
| 54 | Vertical and Horizontal Lines | 402 | Try Now |
| 55 | Parallel or Perpendicular? | 389 | Try Now |
| 56 | Latitude, Longitude, and the Cartesian Plane | 388 | Try Now |
| 57 | Graphing Quadratic Functions | 382 | Try Now |
| 58 | Scientific Calculator | 377 | Try Now |
| 59 | Slope | 358 | Try Now |
| 60 | Exploring Transformations | 342 | Try Now |
| 61 | Solving Quadratic Equations | 333 | Try Now |
| 62 | Exploring Graphs of Linear Systems | 330 | Try Now |
| 63 | Surface Area of Prisms and Cylinders | 326 | Try Now |
| 64 | Graphing Linear Inequalities | 324 | Try Now |
| 65 | Right Triangle Trigonometry | 319 | Try Now |
| 66 | From Words to Equations and Back Again | 296 | Try Now |
| 67 | Pairs and Primes | 284 | Try Now |
| 68 | Analyzing Box-and-Whisker Plots | 281 | Try Now |
| 69 | Proving Trigonometric Identities | 273 | Try Now |
| 70 | Sampling Methods and Bias | 272 | Try Now |
| 71 | Solving One- and Two-Variable Quadratic Inequalities | 269 | Try Now |
| 72 | Determining Perfect Numbers | 250 | Try Now |
| 73 | Solving and Graphing Inequalities | 248 | Try Now |
| 74 | Triangles: Proving Similarity | 243 | Try Now |
| 75 | Using Pascal's Triangle | 242 | Try Now |
| 76 | Simplified Radicals | 237 | Try Now |
| 77 | Exploring Graphs of Special Functions | 237 | Try Now |
| 78 | Modeling Polynomial Functions | 228 | Try Now |
| 79 | Two Methods for Graphing Linear Inequalities | 225 | Try Now |
| 80 | Exploring the Coordinate Plane | 223 | Try Now |
| 81 | Is This Number Exact or Approximate? Is It Accurate or Precise? | 223 | Try Now |
| 82 | Basic Probability | 220 | Try Now |
| 83 | Transforming Graphs of Sine and Cosine | 216 | Try Now |
| 84 | Understanding Polar Coordinates | 208 | Try Now |
| 85 | Distance Formula in Washington, DC | 208 | Try Now |
| 86 | Literary Uses of Points, Lines, and Planes | 207 | Try Now |
| 87 | Exploring Graphs of Polynomial Functions | 201 | Try Now |
| 88 | Probability Distribution and Its Use | 199 | Try Now |
| 89 | Volume: Prisms and Cylinders | 198 | Try Now |
| 90 | Home Run Derby | 194 | Try Now |
| 91 | Describing the Rate of Change of an Exponential Function | 193 | Try Now |
| 92 | Exploring Rates of Change | 192 | Try Now |
| 93 | Rules for Simplifying Rational Expressions | 192 | Try Now |
| 94 | More Than One Parallel Line? | 190 | Try Now |
| 95 | The MEAN-ing of the Standard Deviation | 186 | Try Now |
| 96 | Applications of Logarithms | 182 | Try Now |
| 97 | A Few Words on Factoring | 181 | Try Now |
| 98 | Beyond the Correlation Coefficient | 180 | Try Now |
| 99 | What Is Happening to My Absolute Value Parent? | 180 | Try Now |
| 100 | The Law of Sines and the Ambiguous Case | 179 | Try Now |
| 101 | Synthetic Division Calculator | 176 | Try Now |
| 102 | Quadratic Functions: Two for the Graph of One | 176 | Try Now |
| 103 | Powers and Roots: How They are Related | 173 | Try Now |
| 104 | Exploring Systems of Linear Inequalities | 172 | Try Now |
| 105 | Types of Symmetry | 171 | Try Now |
| 106 | Area and Perimeter of Similar Polygons | 171 | Try Now |
| 107 | Hyperbolas, Asymptotes, and Factoring | 168 | Try Now |
| 108 | Radical Equations and Extraneous Roots | 167 | Try Now |
| 109 | Exploring Graphs of Quadratic Functions | 167 | Try Now |
| 110 | Seeing is believing | 167 | Try Now |
| 111 | Slope of Handicap Ramps | 166 | Try Now |
| 112 | Exploring Graphs of Absolute Value Equations and Inequalities | 162 | Try Now |
| 113 | Predicting Earthquakes through Graphs | 162 | Try Now |
| 114 | Height of a Tree | 157 | Try Now |
| 115 | Circles: Chords, Secants, and Tangents | 157 | Try Now |
| 116 | Even and Odd Functions | 157 | Try Now |
| 117 | Graphing Absolute Value Equations and Inequalities | 156 | Try Now |
| 118 | De Moivre's Theorem and Powers of Complex Numbers | 154 | Try Now |
| 119 | Division by Zero | 154 | Try Now |
| 120 | Measures of Central Tendency | 154 | Try Now |
| 121 | Graphing Quadratic Inequalities | 154 | Try Now |
| 122 | Measuring the Diagonal of a Classroom | 152 | Try Now |
| 123 | Exploring Graphs of Piecewise Functions | 151 | Try Now |
| 124 | Four Points about Point | 151 | Try Now |
| 125 | Matrices and Systems | 149 | Try Now |
| 126 | Key Features of Rational Functions | 148 | Try Now |
| 127 | Cryptography | 144 | Try Now |
| 128 | The AIDS Epidemic | 140 | Try Now |
| 129 | Simplifying Expressions with Complex Numbers | 139 | Try Now |
| 130 | Factor Away! | 135 | Try Now |
| 131 | Similarity and Problem-Solving | 133 | Try Now |
| 132 | Matrices and Determinants | 133 | Try Now |
| 133 | Traffic Jam | 132 | Try Now |
| 134 | The Importance of the Remainder and Factor Theorems | 132 | Try Now |
| 135 | Animal Crackers | 130 | Try Now |
| 136 | Applications of Recursion | 128 | Try Now |
| 137 | Central and Inscribed Angles in Circles | 128 | Try Now |
| 138 | Systems of Linear and Nonlinear Equations | 127 | Try Now |
| 139 | Exploring Graphs of Quadratic Inequalities | 126 | Try Now |
| 140 | The Limit of a Sequence | 123 | Try Now |
| 141 | Discovering the Advantages and Disadvantages of Sigma Notation | 123 | Try Now |
| 142 | Solving Quadratic Equations with Complex Roots | 122 | Try Now |
| 143 | Understanding the Discriminant of a Quadratic Equation | 122 | Try Now |
| 144 | Garden Fences | 119 | Try Now |
| 145 | Relationships in Proportion | 118 | Try Now |
| 146 | Matrix Operations: Associative or Commutative? | 117 | Try Now |
| 147 | Radicals...Applied! | 117 | Try Now |
| 148 | Exploring Variations | 117 | Try Now |
| 149 | Intensity of an Earthquake | 117 | Try Now |
| 150 | Lines in Multiple Environments | 115 | Try Now |
| 151 | Mean and Median: Are They Stable? | 115 | Try Now |
| 152 | Newton's Law of Cooling | 114 | Try Now |
| 153 | Classical Angle Constructions | 114 | Try Now |
| 154 | Lighthouses | 113 | Try Now |
| 155 | What's My Data Type? | 112 | Try Now |
| 156 | Exploring Graphs of Linear Inequalities | 110 | Try Now |
| 157 | Cryptography and Matrices | 110 | Try Now |
| 158 | Congruency in Transformations | 110 | Try Now |
| 159 | Polynomials and Perimeters | 109 | Try Now |
| 160 | Using Data to Make Good Decisions | 109 | Try Now |
| 161 | Domains of Composite Functions | 109 | Try Now |
| 162 | Producing Crunch Berries Cereal | 108 | Try Now |
| 163 | Triangle Conjectures | 108 | Try Now |
| 164 | Understanding the Domain of Inverse Trig Functions | 108 | Try Now |
| 165 | Real-world Quadratic | 108 | Try Now |
| 166 | Choosing the "Best" Statistic | 107 | Try Now |
| 167 | When Should Vegetables Be Planted in the Garden? | 105 | Try Now |
| 168 | Towers of Hanoi | 105 | Try Now |
| 169 | Statistics in the News: What to Believe? | 104 | Try Now |
| 170 | Probability Distribution of Throwing Two Dice | 104 | Try Now |
| 171 | Random Samples Using Surveys | 102 | Try Now |
| 172 | Line Graphs with Real-World Data | 102 | Try Now |
| 173 | Which Method Is Best? | 100 | Try Now |
| 174 | It's Your Move | 100 | Try Now |
| 175 | Paper Folding Triangles and Euler's Line | 98 | Try Now |
| 176 | Central Tendencies from Web Data | 98 | Try Now |
| 177 | Using Systems of Equations to Make Money | 97 | Try Now |
| 178 | Explorations in Logarithms | 97 | Try Now |
| 179 | Graphing Rational Functions | 96 | Try Now |
| 180 | Surface Area as an Art Form | 96 | Try Now |
| 181 | How Many Ways Can the Pythagorean Theorem Be Proven? | 95 | Try Now |
| 182 | How Wide Is a Football Field? | 95 | Try Now |
| 183 | Data Gathering with Independent and Dependent Variables | 95 | Try Now |
| 184 | Centroid of a Triangle | 94 | Try Now |
| 185 | A Polar Family Treasure | 94 | Try Now |
| 186 | Congruency and Similarity in Quilt Design | 94 | Try Now |
| 187 | A Three Point Circle | 93 | Try Now |
| 188 | In Search of Pi | 93 | Try Now |
| 189 | All Nets Are Not Created Equal | 93 | Try Now |
| 190 | Using Your Own Data | 92 | Try Now |
| 191 | Sentences, Words, and Reading Level | 91 | Try Now |
| 192 | The Best Use of Your Time | 91 | Try Now |
| 193 | Polynomial Patterns | 90 | Try Now |
| 194 | Zeros and End Behavior of Polynomial Functions | 90 | Try Now |
| 195 | Playing Jeopardy with the Roots of a Quadratic Equation | 89 | Try Now |
| 196 | Properties of Rational Functions | 89 | Try Now |
| 197 | Indirect Measure | 89 | Try Now |
| 198 | Analyzing and Presenting a Month's Collection of Data | 89 | Try Now |
| 199 | Complex Roots of Quadratic Equations | 88 | Try Now |
| 200 | Binomial Factoring vs. Binomial Expansion | 88 | Try Now |
| 201 | "Pick" a Formula | 88 | Try Now |
| 202 | Orbits and Julia Sets | 88 | Try Now |
| 203 | Counts vs. Percentages | 88 | Try Now |
| 204 | Your Town's Average Temperature and a Sine Curve | 87 | Try Now |
| 205 | Satellite Orbits | 87 | Try Now |
| 206 | Changing Data: Effects on Variability | 87 | Try Now |
| 207 | Discovering e | 85 | Try Now |
| 208 | Greek Division | 84 | Try Now |
| 209 | Relationship between Factors and Roots | 83 | Try Now |
| 210 | Decisions, Decisions | 83 | Try Now |
| 211 | Logarithms Function with pH | 82 | Try Now |
| 212 | How Much Daylight in an Average Day? | 82 | Try Now |
| 213 | Matching Correlation and Plot | 82 | Try Now |
| 214 | Does Your Inverse Function? | 81 | Try Now |
| 215 | Variability of World Leaders | 81 | Try Now |
| 216 | Combinations vs. Permutations | 81 | Try Now |
| 217 | Rational Scale Factors | 80 | Try Now |
| 218 | The Highs and Lows of a Quadratic Function | 80 | Try Now |
| 219 | Why Are Sine and Cosine Called Circular Functions? | 80 | Try Now |
| 220 | Finding a More General Area Formula | 79 | Try Now |
| 221 | Zeno's Paradoxes | 79 | Try Now |
| 222 | Solving Rational Inequalities | 79 | Try Now |
| 223 | Restriction of Domains | 78 | Try Now |
| 224 | Figurate Numbers | 77 | Try Now |
| 225 | Biorhythms and Sine Curves | 77 | Try Now |
| 226 | Relatively Speaking | 76 | Try Now |
| 227 | Fibo-Nature Numbers | 76 | Try Now |
| 228 | Monster Curves | 74 | Try Now |
| 229 | Rational Function Models: The Mo$t for Your Dollar | 74 | Try Now |
| 230 | Building a Riemannian World | 74 | Try Now |
| 231 | Map-Matical Induction | 73 | Try Now |
| 232 | SierPascal's Triangle? | 73 | Try Now |
| 233 | Surface Area and Volume Relationships | 73 | Try Now |
| 234 | Infinitely Interesting Series | 73 | Try Now |
| 235 | Discovering the Period of a Pendulum | 72 | Try Now |
| 236 | Exploring Sequences | 72 | Try Now |
| 237 | Going to Extremes | 71 | Try Now |
| 238 | Approximating Sine and Cosine | 71 | Try Now |
| 239 | In Focus: Applications of Rational Functions | 71 | Try Now |
| 240 | Bisection Theorem | 71 | Try Now |
| 241 | Using a Trig Equation with the Nautical Mile | 70 | Try Now |
| 242 | Approximating π with Inverse Trigonometric Functions | 70 | Try Now |
| 243 | Conics in Polar Form | 69 | Try Now |
| 244 | Create Your Own Polar Curve | 69 | Try Now |
| 245 | Hyperbolic Analogies of Common Trigonometric Identities | 69 | Try Now |
| 246 | Classical Curves: Polar and Rectangular Graphs | 68 | Try Now |
| 247 | Appli-COMPLEX-cations | 66 | Try Now |
| 248 | Circular vs. Hyperbolic Trig Functions | 65 | Try Now |
| 249 | N x N Non-taking Rooks | 62 | Try Now |
*Views represent combined teacher and student resource usage for the current academic year.
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