 ## What's New And Recent Updates:

### Circumcenter of a Triangle (examples, solutions, videos, worksheets, games & activities)

What is the circumcenter of a triangle, How to construct the circumcenter of an acute triangle, a right triangle and an obtuse angle, examples and step by step solutions, Grade 9

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### Centroid of a Triangle (examples, solutions, videos, worksheets, games, activities)

How to construct the centroid of a triangle, examples and step by step solutions, Grade 9

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### Median and Mid-Segment of a Trapezoid (examples, solutions, videos, worksheets, games, activities)

How to find the length of a median in a trapezoid, examples and step by step solutions, Grade 9

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### Trapezium or Trapezoid Rule (examples, worksheets, videos, solutions, activities)

How to use the Trapezium Rule, Integration and the Trapezium Rule, examples and step by step solutions, A Level Maths

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### Area of Trapezoids Word Problems (examples, solutions, videos, worksheets, games & activities)

how to derive the formula for the area of a trapezoid, Given the bases of a trapezoid and its area find the height, examples and step by step solutions, Grade 9

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### Trapezium Rule (examples, solutions, worksheets, videos, activities)

how to use the trapezium rule to find an approximation to an integral, A Level Maths

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### Trig Ratios for multiples of 30, 45 and 60 degrees (examples, solutions, videos, worksheets, games, activities)

how we calculate the exact values of sin, cos and tan of 30, 45 and 60 degrees, examples and step by step solutions, GCSE Maths

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### Trigonometric Substitution (examples, solutions, videos)

integrating an indefinite integral using a trigonometric substitution involving tangent, examples and step by step solutions, A series of free online calculus lectures in videos

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### Trigonometric Functions (examples, videos, worksheets, solutions, activities)

learn about the trigonometric function: Sin, Cos, Tan and the reciprocal trigonometric functions Csc, Sec and Cot, Use reciprocal, quotient, and Pythagorean identities to determine trigonometric function values, sum and product identities, examples and step by step solutions, Algebra 1 students

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### Trigonometric Ratios (examples, videos, worksheets, solutions, activities)

How to use the trigonometric ratios: sine (sin), cosine (cos), tangent (tan) for right angled triangles, sec, csc, cot, GCSE Maths

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### Trigonometry Tutorial (examples, solutions, worksheets, videos, activities)

Secant, Cosecant and Cotangent and their graphs, Simplify Trigonometric Expressions, Solve Trigonometric Equations, examples and step by step solutions, A Level Maths

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### Using the Trigonometry Formula - SOH-CAH-TOA (examples, videos, worksheets, solutions, activities)

What is SOHCAHTOA and how to use the trig ratios to find missing sides and missing angles on right triangles, examples and step by step solutions, Grade 9

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### Graphing Trigonometric Functions: Sin, Cos, Tan, Sec, Csc, and Cot (examples, videos, worksheets, solutions, activities)

How to graph trig functions and their reciprocal functions, How to graph the Sin, Cos, Tan, Sec, Csc, and Cot functions, How to use the unit circle to derive identities that are useful in graphing the reciprocal trigonometric functions, Grade 11, Algebra 1 students

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### Truth Tables - Conjunction, Disjunction, Conditionals (examples, solutions, worksheets, videos, games, activities)

What are the Truth Tables for Conjunction, Disjunction, Conditionals, examples and step by step solutions, High School Math

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### Dimensional Analysis (examples, solutions, videos, worksheets, games, activities)

dimensional analysis, formulas, line graphs, how to use units as a way to understand problems and to guide the solution of multi-step problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays, Common Core High School: Number & Quantity, HSN-Q.A.1

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### Unit Rate (examples, solutions, worksheets, videos, games, activities)

What is rate and unit rate, How to find the unit rate, examples and step by step solutions, High School Math

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### Unit Price (examples, solutions, videos, worksheets, games, activities)

How to solve problems involving the unit price of goods, examples and step by step solutions, Grade 5

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### Convert Metric Unit Measurement (examples, solutions, videos, worksheets, activities)

Learn about metric unit measurement and conversion, Metric Conversions - King Henry Method, Shortcut method, examples and step by step solutions, Grade 6

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### The Unit Circle Definition of Trigonometric Function (examples, solutions, videos, worksheets, games, activities)

learn the unit circle definition of trigonometric function, examples and step by step solutions, Algebra 1 students

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### Unit Circle and Trig Graphs (examples, solutions, worksheets, videos, games, activities)

How to Graph the Sine, Cosine and Tangent Functions using the Unit Circle, examples and step by step solutions, High School Math

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### Unit Circle (examples, solutions, videos)

how the unit circle can be used in the definitions of sine, cosine and tangent. examples and step by step solutions, Trigonometry functions

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### Using Similar Triangles (examples, solutions, videos, lessons, worksheets, games, activities)

how to use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figuresCommon Core High School: Geometry, HSG-SRT.B.5, proportion, indirect measurements, word problems

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### CPCTC (examples, solutions, videos, worksheets, activities)

How to use CPCTC, Corresponding Parts of Congruent Triangles are Congruent, SSS, SAS, ASA Proofs with CPCTC, Learn how to apply the theory of CPCTC to real world events, examples and step by step solutions, Grade 9

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### Upper and Lower Bounds (examples, solutions, videos, worksheets, activities)

How to calculate upper and lower bounds, examples and step by step solutions, GCSE Maths

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### Vector Quantities (examples, solutions, videos, worksheets, games, activities)

how to recognize vector quantities as having both magnitude and direction, worksheets, games and activities that are suitable for Common Core High School: Number & Quantity, HSN-VM.A.1, scalar, magnitude, direction

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### Finding the Components of a Vector (examples, solutions, videos, lessons)

how to find the components of a vector, vector components, examples and step by step solutions

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### Variable and Variable (Algebraic) Expressions (examples, solutions, videos, worksheets, games, activities)

examples of writing variable expression given different situations, examples and step by step solutions, Grade 5

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### Variance (formulas, examples, solutions, videos)

Variance: Population Variance, Sample Variance and different Variance Formulas, examples and step by step solutions

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### Verb Tenses (examples, explanations, videos)

Summary of Verb Tenses, Tenses overview - present, past, future, simple, continuous, progressive, perfect, examples, English Help

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### Action Verbs, Linking Verbs (examples, videos)

What is a Verb, What is an action Verb and a linking verb, English Help: Different types of verbs

### Verb Be (examples, videos)

English Help: Verb Be - Present Tense, Past Tense, Present perfect Tense, examples

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### Venn Diagrams (examples, videos, worksheets, solutions, activities)

What is a Venn Diagram, What Does Intersection and Union Mean, Intersection, union, subsets, examples and step by step solutions, GCSE Maths

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### Volume of cubes and cuboids (examples, videos, worksheets, solutions, activities)

how to solve volume of cubes and cuboids word problems in Singapore Math, Find one dimension of a cuboid given its volume and the other dimensions, Solving a word problem involving rates of inflow and outflow of water and volume of a cuboid

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### Vertical Asymptotes of Rational Functions (examples, solutions, videos, worksheets, games, activities)

to find vertical asymptotes of rational functions, examples and step by step solutions, PreCalculus

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### Volume of a Triangular Prism (examples, solutions, videos, worksheets, games, activities)

how to find the volume of a triangular prism, examples and step by step solutions, Grade 8

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### Volume of Prisms: Examples (videos, worksheets, solutions, activities)

How to find the volume of a prism, Area of base multiply by the height, examples and step by step solutions, Grade 8

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### Volume in Geometry Examples (worksheets, videos, solutions, activities)

How to calculate the volume of a pyramid, sphere, examples and step by step solutions, High School Geometry

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### Word Problems: Compound Interest (examples, videos, worksheets, solutions, activities)

How solve word problems using the compound interest formula, How to solve continuously compounded interest problems, and how to calculate the effective rate of return, examples and step by step solutions, Grade 9

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### Matrix Multiplication (solutions, examples, videos)

How to multiply matrices, how to perform matrix multiplication, how to know whether two matrices can be multiplied together, examples and step by step solutions

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### Word Problems (examples, solutions, videos, worksheets, games, activities)

how to solve word problems, word problems keywords, addition, subtraction, multiplication, division, examples and step by step solutions, clue words, Grade 5

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