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Interactive labs where you try things yourself: change the numbers and watch the result change. Free for now for anyone with an account.
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Algebra II, American
69 lessons with experimentsUnit 1: Sequences and Functions
Introducing Geometric Sequences
The lesson in the syllabusDifferent Types of Sequences (arithmetic and geometric)
The lesson in the syllabusSequences Are Functions
The lesson in the syllabusRepresenting Sequences (recursive definitions)
The lesson in the syllabusThe nth Term
The lesson in the syllabusWhat's the Equation? (explicit formulas)
The lesson in the syllabusSituations and Sequence Types
The lesson in the syllabus
Unit 2: Polynomials and Rational Functions
Modeling with Polynomials (Let's Make a Box)
The lesson in the syllabusConnecting Factors and Zeros
The lesson in the syllabusDifferent Forms of Polynomials
The lesson in the syllabusMultiplicity
The lesson in the syllabusFinding Intersections
The lesson in the syllabusPolynomial Division
The lesson in the syllabusThe Remainder Theorem
The lesson in the syllabusGraphs of Rational Functions
The lesson in the syllabusEnd Behavior of Rational Functions
The lesson in the syllabusRational Equations
The lesson in the syllabusSolving Rational Equations
The lesson in the syllabusPolynomial Identities
The lesson in the syllabusSumming Up (sum of a geometric series)
The lesson in the syllabusUsing the Sum (geometric series formula)
The lesson in the syllabus
Unit 3: Complex Numbers and Rational Exponents
Properties of Exponents
The lesson in the syllabusExponents That Are Unit Fractions
The lesson in the syllabusPositive Rational Exponents
The lesson in the syllabusNegative Rational Exponents
The lesson in the syllabusA New Kind of Number
The lesson in the syllabusIntroducing the Number i
The lesson in the syllabusArithmetic with Complex Numbers
The lesson in the syllabusMultiplying Complex Numbers
The lesson in the syllabusSolving Quadratics
The lesson in the syllabusCompleting the Square and Complex Solutions
The lesson in the syllabusThe Quadratic Formula and Complex Solutions
The lesson in the syllabusReal and Non-Real Solutions
The lesson in the syllabus
Unit 4: Exponential Functions and Equations
Representations of Growth and Decay
The lesson in the syllabusUnderstanding Rational Inputs
The lesson in the syllabusChanges Over Rational Intervals
The lesson in the syllabusUnknown Exponents
The lesson in the syllabusWhat Is a Logarithm?
The lesson in the syllabusInterpreting and Writing Logarithmic Equations
The lesson in the syllabusEvaluating Logarithmic Expressions
The lesson in the syllabusSolving Exponential Equations
The lesson in the syllabusUsing Graphs and Logarithms to Solve Problems
The lesson in the syllabusLogarithmic Functions
The lesson in the syllabus
Unit 5: Transformations of Functions
Moving Functions (translations)
The lesson in the syllabusExpressing Transformations of Functions Algebraically
The lesson in the syllabusScaling the Outputs
The lesson in the syllabus
Unit 6: Trigonometric Functions
Moving in Circles
The lesson in the syllabusRevisiting Right Triangles
The lesson in the syllabusThe Unit Circle
The lesson in the syllabusThe Pythagorean Identity
The lesson in the syllabusFinding Unknown Coordinates on a Circle
The lesson in the syllabusRising and Falling (periodic behavior)
The lesson in the syllabusIntroduction to Trigonometric Functions
The lesson in the syllabusBeyond 2π: Extending the Domain of Trigonometric Functions
The lesson in the syllabusAmplitude and Midline
The lesson in the syllabusTransforming Trigonometric Functions
The lesson in the syllabusFeatures of Trigonometric Graphs (period)
The lesson in the syllabusComparing Transformations
The lesson in the syllabusModeling Circular Motion
The lesson in the syllabus
Unit 7: Statistical Inferences
Being Skeptical (bias in data)
The lesson in the syllabusDescribing Distributions
The lesson in the syllabusNormal Distributions
The lesson in the syllabusAreas in Histograms
The lesson in the syllabusAreas under a Normal Curve
The lesson in the syllabusVariability in Samples
The lesson in the syllabusEstimating Proportions from Samples
The lesson in the syllabusReducing Margin of Error
The lesson in the syllabusEstimating a Population Mean
The lesson in the syllabusUsing Normal Distributions for Experiment Analysis
The lesson in the syllabus
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Math Lab
Visual models, graphing tools and investigations from primary to secondary, in Arabic and English.
The first visit downloads about 2.8 MB; after that it opens from your device.
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2D and 3D experiments, graphs and checked practice, in Arabic and English.
The first visit downloads about 1.2 MB; after that it opens from your device.
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Motion, forces, energy, waves, light, heat, fields and space, with experiments you run yourself, in Arabic and English.
The first visit downloads about 0.4 MB; after that it opens from your device.
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Trace code step by step, algorithms, data, logic, a simple CPU, networks, databases and AI, plus the Baccalaureate Sec 2 lessons, in Arabic and English.
The first visit downloads about 0.6 MB; after that it opens from your device.
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