👩‍🏫 For Teachers · Para sa Teachers

Mathematics 9 — Teacher View

Matematika 9 · Para sa guro

Everything in the DepEd MATATAG Grade 9 curriculum — quadratic equations and functions, relations and variation, triangle similarity, trigonometric ratios, quadrilaterals, and probability — with free video lessons.

Para sa mga guro: panoorin sa klase, i-print ang worksheet, o i-share ang link sa mga estudyante. — Dr. E

Tap any unit to open lessons inline — hit ▶ to play in class or copy the unit link to share with students.
1

Number & Algebra

Functions, quadratics & variation
Unit 5

Relations & Functions

Algebra · Graphing & Functions
10 lessons · 10 worksheets
Plotting Points in the Coordinate Plane
Unit 5 · Lesson 1
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Graphing Linear Equations
Unit 5 · Lesson 2
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Finding X and Y Intercepts
Unit 5 · Lesson 3
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Calculating Slope
Unit 5 · Lesson 4
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Slope-Intercept Form
Unit 5 · Lesson 5
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Point-Slope Form
Unit 5 · Lesson 6
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Writing Equations of Lines
Unit 5 · Lesson 7
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Parallel and Perpendicular Lines
Unit 5 · Lesson 8
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Domain and Range of Functions
Unit 5 · Lesson 9
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Solving Piecewise Defined Functions
Unit 5 · Lesson 10
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Unit 9

Quadratic Equations & Functions

Algebra · Radicals & Quadratic Equations
8 lessons · 8 worksheets
Simplifying Radicals
Unit 9 · Lesson 1
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Adding and Subtracting Radicals
Unit 9 · Lesson 2
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Radical Equations
Unit 9 · Lesson 3
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Solving Quadratics — Missing Linear Term
Unit 9 · Lesson 4
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Solving Quadratic Equations by Factoring
Unit 9 · Lesson 5
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Completing the Square
Unit 9 · Lesson 6
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The Quadratic Formula
Unit 9 · Lesson 7
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Quadratic Functions and Parabolas
Unit 9 · Lesson 8
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Unit 3

Linear Equations

Algebra · Linear Equations
6 lessons · 6 worksheets
One-Step Equations
Unit 3 · Lesson 1
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Multi-Step Equations
Unit 3 · Lesson 2
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Solving Linear Equations
Unit 3 · Lesson 3
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Equations with Fractions and Decimals
Unit 3 · Lesson 4
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Literal Equations and Formulas
Unit 3 · Lesson 5
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Word Problems — Setting Up Equations
Unit 3 · Lesson 6
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Unit 4

Direct & Inverse Variation

Pre-Algebra · Variation
3 lessons · 3 worksheets
Direct Variation
Unit 4 · Lesson 1
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Inverse Variation
Unit 4 · Lesson 2
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Joint Variation
Unit 4 · Lesson 3
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2

Measurement, Geometry & Trigonometry

Similarity, trig ratios & quadrilaterals
Unit 4

Triangle Congruence & Proofs

Geometry · Triangle Congruence
3 lessons · 3 worksheets
Constructing Triangles Using a Compass
Unit 4 · Lesson 1
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Triangle Congruence — SSS and SAS Postulates
Unit 4 · Lesson 2
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Triangle Congruence — AAS and ASA Postulates
Unit 4 · Lesson 3
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Unit 5

Similarity of Polygons

Geometry · Similarity
3 lessons · 3 worksheets
Determining Similarity in Polygons
Unit 5 · Lesson 1
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Proving Triangle Similarity — AA, SSS, and SAS
Unit 5 · Lesson 2
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Ratio and Proportion in Similarity
Unit 5 · Lesson 3
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Unit 1

Trigonometric Ratios

Trigonometry · Right Triangle Trigonometry
4 lessons · 4 worksheets
The Pythagorean Theorem
Unit 1 · Lesson 1
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Introduction to SOH CAH TOA
Unit 1 · Lesson 2
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Solving for Missing Sides
Unit 1 · Lesson 3
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Right Triangle Word Problems
Unit 1 · Lesson 4
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Unit 6

Quadrilaterals

Geometry · Quadrilaterals
3 lessons · 3 worksheets
Conditions That Make a Quadrilateral a Parallelogram
Unit 6 · Lesson 1
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Trapezoids and the Midsegment Theorem
Unit 6 · Lesson 2
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Writing Two-Column Proofs on Kite and Trapezoid
Unit 6 · Lesson 3
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3

Data & Probability

Probability & data analysis
Unit 5

Probability

Statistics · Probability
10 lessons · 10 worksheets
Introduction to Probability — Sample Spaces
Unit 5 · Lesson 1
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Probability Rules — Events
Unit 5 · Lesson 2
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Classical Probability
Unit 5 · Lesson 3
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Independent vs Dependent Events
Unit 5 · Lesson 4
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Probability Models
Unit 5 · Lesson 5
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Two-Way Tables & Venn Diagrams
Unit 5 · Lesson 6
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Two-Way Tables, Venn Diagrams & Tree Diagrams
Unit 5 · Lesson 7
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Conditional Probability
Unit 5 · Lesson 8
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Conditional Probability — Using Tables
Unit 5 · Lesson 9
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Combinations & Counting Methods
Unit 5 · Lesson 10
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Unit 1

Exploring & Summarizing Data

Statistics · Exploring Data & Study Design
8 lessons · 8 worksheets
Identifying Population and Sample
Unit 1 · Lesson 1
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Parameters vs Statistics
Unit 1 · Lesson 2
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Categorical vs Quantitative Variables
Unit 1 · Lesson 3
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Discrete vs Continuous Variables
Unit 1 · Lesson 4
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Sampling Techniques — Random Number Generator
Unit 1 · Lesson 5
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Simple Random Sampling — Table D
Unit 1 · Lesson 6
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Simulating Experiments — Random Digit Table
Unit 1 · Lesson 7
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Bias, Lurking & Confounding Variables
Unit 1 · Lesson 8
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