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Grade 9

68 Units, 194 Skills

Geometry - Angles and Transformations - Practice

Unit 1

Measurement - Units Advanced - Metric

Unit 2

Fraction Multiplication - Practice

Unit 3

Exponents - Advanced

Unit 4

Order of Operations - Advanced

Unit 5

Probability and Statistics - Counting and Probability Foundations

Unit 6

Fraction Division - Intro

Unit 7

Geometry - Circle Area and Circumference - Practice

Unit 8

Geometry - Isosceles and Equilateral Triangles

Unit 9

Digits and Divisibility - Practice

Unit 10

Decimal Multiplication - Advanced

Unit 11

Geometry - Intersecting, Parallel, and Perpendicular Lines

Unit 12

Fraction Addition and Subtraction - Advanced

Unit 13

Squares and Square Roots - Advanced

Unit 14

Decimal Division - Advanced

Unit 15

Fraction Addition and Subtraction, Mixed - Practice

Unit 16

Exponents - Multiplication and Division - Advanced

Unit 17

Unit Conversion - Intro

Unit 18

Geometry - Circle Area, Sectors and Donuts - Intro

Unit 19

Patterning - Number Patterns Advanced

Unit 20

Measurement - Units Large/Small Practice - Metric

Unit 21

Geometry - Surface Area of 3D Shapes - Practice

Unit 22

Factoring and Greatest Common Factor - Advanced

Unit 23

Algebra Manipulating Variables - Intro

Unit 24

+2

Geometry - Cylinders - Intro

Unit 25

Probability and Statistics - Counting and Probability Practice

Unit 26

Percentages - Advanced

Unit 27

Measurement - Unit Conversion (Very Large and Small) Intro - Metric

Unit 28

Speed, Distance, and Time - Advanced

Unit 29

Ratios of Lengths - Intro

Unit 30

Cartesian Grid Geometry Logic - Practice

Unit 31

Area and Perimeter Logic - Practice

Unit 32

Slope - Intro

Unit 33

Algebra Basic Concepts - Advanced

Unit 34

Factoring and Lowest Common Multiple - Advanced

Unit 35

Probability and Statistics - Mean, Median, and Mode - Advanced

Unit 36

Geometry - Volume Logic with 3D Shapes - Intro

Unit 37

Scientific Notation - Multiplication and Division - Intro

Unit 38

Pythagoras - Intro

Unit 39

Negative Integers - Practice

Unit 40

Speed, Distance, and Time Logic Challenges - Intro

Unit 41

Factoring, Multiplication, Division, Fractions - Practice

Unit 42

Cartesian Grid Distance - Intro

Unit 43

Probability and Statistics - Factorial Form Intro

Unit 44

Pythagorean Triples - Intro

Unit 45

Exponents - Power Law - Practice

Unit 46

Algebra Manipulating Variables - Practice

Unit 47

Exponents - Negative Bases and Exponents - Intro

Unit 48

Exponents - Fractional Bases and Exponents - Intro

Unit 49

Algebra Systems of Equations - Intro

Unit 50

Measurement - Units Large/Small Advanced - Metric

Unit 51

Pythagoras - Practice

Unit 52

Factoring, Multiplication, Division, Fractions - Advanced

Unit 53

Probability - Set Operations - Intro

Unit 54

Patterns and Sums - Intro

Unit 55

Fraction Multiplication - Advanced

Unit 56

Measurement - Unit Conversion (Very Large and Small) Practice - Metric

Unit 57

Pythagorean Theorem in 3D - Intro

Unit 58

Fraction Addition and Subtraction, Mixed - Advanced

Unit 59

Probability and Counting - Multiple Events - Intro

Unit 60

Ratios of Lengths - Practice

Unit 61

Radicals - Simplifying Intro

Unit 62

Fraction Division - Practice

Unit 63

Scientific Notation - Multiplication and Division - Practice

Unit 64

Geometry - Intermediate - Intro

Unit 65

Line Equations and Graphing - Intro

Unit 66

Scientific Notation Units - Intro

Unit 67

Probability and Statistics - Probability with Factorials Intro

Unit 68

Geometry - Intersecting, Parallel, and Perpendicular Lines

Unit 12

This math unit starts with basic geometry concepts, initially focusing on the estimation and calculation of angles formed by various lines. It progresses from estimating angles in reverse and calculating complementary angles that sum up to 90 or 180 degrees, to more complex problems involving identification and calculations related to intersecting, parallel, and perpendicular lines. As the unit advances, students are tasked with identifying relationships between lines and solving for unknown angles in geometrical setups involving crossing lines, both parallel and perpendicular. They refine their understanding of angles in different contexts, including naming and calculating degrees in triangles and other formations. The unit also helps students apply these skills in practical scenarios involving diagrams, fostering a deeper understanding of geometry and its applications.

Skills you will learn include:

Foundational Units
Builds Towards

Activity & Progress

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Learning through Game Play

At Mobius we have lots of great (and free) resources to help you learn math. To keep kids engaged, there’s nothing better than a math-powered video game! Try out a Mobius game mapped to Geometry - Intersecting, Parallel, and Perpendicular Lines.

This math topic focuses on understanding and solving angle measurements where lines cross parallel lines, encompassing a...

This math topic focuses on the geometry of lines, specifically working with crossing or intersecting lines to determine unknown...

This math topic focuses on the geometry of lines, specifically on solving angles formed by crossing lines. This includes...

This math topic focuses on enhancing students' abilities to identify the relationships between lines: whether they are parallel,...

This math topic focuses on estimating angles in degrees. The topic is part of a larger focus on geometry, specifically intersecting,...

This math topic is primarily centered on the estimation of angles in a reversed manner, which is a part of a broader unit...

This math topic focuses on understanding how to find the measure of an angle that complements another given angle to make...

This math topic focuses on finding the complementary angles that together form a 90-degree angle, helping to build students'...

This math topic focuses on understanding and computing the complementary angles that sum up to 180 degrees. It is specifically...

This math topic focuses on calculating the complementary angles that sum up to 180 degrees. Each question presents a scenario...

This math topic focuses on calculating the remainder of a 90-degree angle when part of the angle is already given. Each question...

This math topic focuses on practicing the identification of geometric figures like lines, line segments, and rays, foundational...

This math topic focuses on determining the degree measurements of angles within triangles. Students are given images of triangles...

This math topic focuses on solving angles formed by crossing perpendicular lines, a key concept in geometry involving intersecting,...

This math topic focuses on understanding the properties of angles formed by crossing perpendicular lines, within the broader...

This math topic focuses on calculating the complementary angles to make a total of 180 degrees, which is pertinent to the...

This math topic involves practicing naming angles and converting degrees to ABC form within a triangle. It includes intermediate...

This math topic focuses on solving angles when dealing with crossing parallel lines, a sub-concept within the broader geometry...

This math topic covers the skill of identifying and naming angles using the ABC naming convention. It relates to the broader...

This math topic focuses on geometry, particularly on identifying and naming angles based on diagrams. The skills practiced...

This math topic focuses on identifying and naming angles within a triangle, and the form of naming angles using the ABC method....

This topic includes exercises on identifying and naming angles in a triangle. It also covers elements of Geometry specifically...

This math topic focuses on the practice of naming angles in a triangle from degrees to ABC form. It involves identifying...