Grade 8

75 Units, 203 Skills

Geometry - Angles and Transformations - Practice

Unit 1

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

Unit 2

Speed, Distance, and Time - Practice

Unit 3

Area and Perimeter Complex Shapes

Unit 4

Triangle Area - Practice

Unit 5

Fraction Multiplication - Practice

Unit 6

Exponents - Division - Intro

Unit 7

Time - Elapsed Time - Advanced

Unit 8

Measurement - Units Practice - Metric

Unit 9

Exponents - Advanced

Unit 10

Fractions, Decimals, and Percents

Unit 11

Order of Operations - Advanced

Unit 12

Factoring and Primes - Advanced

Unit 13

Scientific Notation - Practice

Unit 14

Exponents - Multiplication and Division - Practice

Unit 15

Algebra Basic Concepts - Practice

Unit 16

Geometry - Surface Area of 3D Shapes - Intro

Unit 17

Geometry - Volume of 3D Shapes - Intro

Unit 18

Rates and Ratios - Advanced

Unit 19

Probability and Counting - Single Event - Advanced

Unit 20

Patterning - Number Patterns Practice

Unit 21

Time - Elapsed Time, Negative - Advanced

Unit 22

Negative Integers - Intro

Unit 23

Division 3 by 2 Digit

Unit 24

Area and Perimeter Logic - Intro

Unit 25

Probability and Statistics - Counting and Probability Foundations

Unit 26

Factoring and Greatest Common Factor - Practice

Unit 27

Fraction Division - Intro

Unit 28

Geometry - Circle Area and Circumference - Practice

Unit 29

Geometry - Isosceles and Equilateral Triangles

Unit 30

Percentages - Practice

Unit 31

Digits and Divisibility - Practice

Unit 32

Cartesian Grid Geometry Logic - Intro

Unit 33

Pythagoras - Foundations

Unit 34

Decimal Multiplication - Advanced

Unit 35

Geometry - Intersecting, Parallel, and Perpendicular Lines

Unit 36

Percents and Simple Interest - Intro

Unit 37

Factoring and Lowest Common Multiple - Practice

Unit 38

Fraction Addition and Subtraction - Advanced

Unit 39

Squares and Square Roots - Advanced

Unit 40

Decimal Division - Advanced

Unit 41

Fraction Addition and Subtraction, Mixed - Practice

Unit 42

Factoring, Multiplication, Division, Fractions - Intro

Unit 43

Exponents - Multiplication and Division - Advanced

Unit 44

Geometry - Circle Area, Sectors and Donuts - Intro

Unit 45

Patterning - Number Patterns Advanced

Unit 46

Measurement - Units Advanced - Metric

Unit 47

Geometry - Surface Area of 3D Shapes - Practice

Unit 48

Exponents - Power Law - Intro

Unit 49

Factoring and Greatest Common Factor - Advanced

Unit 50

Algebra Manipulating Variables - Intro

Unit 51

+2

Geometry - Cylinders - Intro

Unit 52

Probability and Statistics - Counting and Probability Practice

Unit 53

Percentages - Advanced

Unit 54

Measurement - Unit Conversion Intro - Metric

Unit 55

Speed, Distance, and Time - Advanced

Unit 56

Ratios of Lengths - Intro

Unit 57

Cartesian Grid Geometry Logic - Practice

Unit 58

Percents and Simple Interest - Practice

Unit 59

Area and Perimeter Logic - Practice

Unit 60

Slope - Intro

Unit 61

Algebra Basic Concepts - Advanced

Unit 62

Factoring and Lowest Common Multiple - Advanced

Unit 63

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

Unit 64

Geometry - Volume Logic with 3D Shapes - Intro

Unit 65

Scientific Notation - Multiplication and Division - Intro

Unit 66

Pythagoras - Intro

Unit 67

Negative Integers - Practice

Unit 68

Speed, Distance, and Time Logic Challenges - Intro

Unit 69

Factoring, Multiplication, Division, Fractions - Practice

Unit 70

Pythagorean Triples - Intro

Unit 71

Cartesian Grid Distance - Intro

Unit 72

Probability and Statistics - Factorial Form Intro

Unit 73

Exponents - Power Law - Practice

Unit 74

Pythagorean Theorem with Decimals - Intro

Unit 75

Percents and Simple Interest - Practice

Unit 59

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 simple interest, principle, rate, and time, and how to calculate any of them given the others, and will teach the following skills:

  • Simple interest
  • Interest from principle, rate, and time
  • Simple interest formula
  • Principle from interest, rate, and time
  • Rate from Interest, principle, and time
  • Time from Interest, principle, and rate
Foundational Units
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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 Percents and Simple Interest - Practice.

This math topic focuses on calculating the rate of simple interest given the principal amount, the total interest earned...

This math topic focuses on calculating the simple interest rate given the principal, amount of interest, and time. These...

This math topic is focused on calculating simple interest using the basic formula combining principal, rate, and time. It...

This math topic focuses on calculating simple interest using the principal, rate, and time. It covers the fundamental concept...

This math topic focuses on practicing calculating the time required to achieve a certain amount of simple interest given...

This math topic focuses on calculating the time required to earn a certain amount of simple interest, given the principal...

This math topic focuses on calculating the principal amount in various simple interest scenarios. It forms part of a larger...

This math topic focuses on calculating the principal amount in various simple interest problems, using given values for interest,...