Grade 9
72 Units, 212 Skills
Geometry - Angles and Transformations - Practice
Unit 1
Fraction Multiplication - Practice
Unit 2
Exponents - Advanced
Unit 3
Order of Operations - Advanced
Unit 4
Probability and Counting - Single Event - 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
Decimal Division - Advanced
Unit 14
Fraction Addition and Subtraction, Mixed - Practice
Unit 15
Exponents - Multiplication and Division - Advanced
Unit 16
Geometry - Circle Partial Area and Circumference - Intro
Unit 17
Patterning - Number Patterns Advanced
Unit 18
Measurement - Units Advanced - Metric
Unit 19
Geometry - Surface Area of 3D Shapes - Practice
Unit 20
Factoring and Greatest Common Factor - Advanced
Unit 21
Algebra Manipulating Variables - Intro
Unit 22
Geometry - Cylinders - Intro
Unit 23
Probability and Statistics - Counting and Probability Practice
Unit 24
Percentages - Advanced
Unit 25
Measurement - Unit Conversion Intro - Metric
Unit 26
Speed, Distance, and Time - Advanced
Unit 27
Ratios of Lengths - Intro
Unit 28
Cartesian Grid Geometry Logic - Practice
Unit 29
Percents and Simple Interest - Practice
Unit 30
Squares and Square Roots - Advanced
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
Pythagorean Triples - Intro
Unit 43
Cartesian Grid Distance - Intro
Unit 44
Probability and Statistics - Factorial Form Intro
Unit 45
Exponents - Power Law - Practice
Unit 46
Pythagorean Theorem with Decimals - Intro
Unit 47
Algebra Manipulating Variables - Practice
Unit 48
Exponents - Negative Bases and Exponents - Intro
Unit 49
Exponents - Fractional Bases and Exponents - Intro
Unit 50
Algebra Systems of Equations - Intro
Unit 51
Measurement - Units Large/Small Intro - Metric
Unit 52
Pythagoras - Practice
Unit 53
Factoring, Multiplication, Division, Fractions - Advanced
Unit 54
Slopes and Parallels - Intro
Unit 55
Measurement Conversion and Map Scale - Intro - Metric
Unit 56
Probability - Set Operations - Intro
Unit 57
Patterns and Sums - Intro
Unit 58
Slopes and Perpendiculars - Intro
Unit 59
Geometry - Circle Area, Sectors and Donuts - Intro
Unit 60
Fraction Multiplication - Advanced
Unit 61
Measurement - Unit Conversion Practice - Metric
Unit 62
Pythagorean Theorem in 3D - Intro
Unit 63
Fraction Addition and Subtraction, Mixed - Advanced
Unit 64
Probability and Counting - Multiple Events - Intro
Unit 65
Ratios of Lengths - Practice
Unit 66
Radicals - Simplifying Intro
Unit 67
Fraction Division - Practice
Unit 68
Scientific Notation - Multiplication and Division - Practice
Unit 69
Geometry - Intermediate - Intro
Unit 70
Line Equations and Graphing - Intro
Unit 71
Probability and Statistics - Probability with Factorials Intro
Unit 72
Mobius units are made up of many related topics that share a common theme and set of skills. Each topic builds the skills needed by the next topic, heading towards a common goal of understanding one area of mathematics.
This unit focuses on understanding partial circle area and circumference, and will teach the following skills:
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 - Circle Partial Area and Circumference - Intro.