Grade 8

79 Units, 209 Skills

Geometry - Angles and Transformations - Practice

Unit 1

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

Unit 2

Triangle Area - Practice

Unit 3

Fraction Multiplication - Practice

Unit 4

Exponents - Division - Intro

Unit 5

Speed, Distance, and Time - Practice

Unit 6

Time - Elapsed Time - Advanced

Unit 7

Measurement - Units Practice - Metric

Unit 8

Exponents - Advanced

Unit 9

Fractions, Decimals, and Percents

Unit 10

Order of Operations - Advanced

Unit 11

Area and Perimeter Complex Shapes

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 - Shape Classification (3D) - Practice

Unit 17

Cartesian Grid Transformations - Intro

Unit 18

Triangle Area - Advanced

Unit 19

Geometry - Surface Area of 3D Shapes - Intro

Unit 20

Geometry - Volume of 3D Shapes - Intro

Unit 21

Rates and Ratios - Advanced

Unit 22

Probability and Counting - Single Event - Advanced

Unit 23

Patterning - Number Patterns Practice

Unit 24

Time - Elapsed Time, Negative - Advanced

Unit 25

Negative Integers - Intro

Unit 26

Division 3 by 2 Digit

Unit 27

Area and Perimeter Logic - Intro

Unit 28

Probability and Statistics - Counting and Probability Foundations

Unit 29

Factoring and Greatest Common Factor - Practice

Unit 30

Fraction Division - Intro

Unit 31

Geometry - Circle Area and Circumference - Practice

Unit 32

Geometry - Isosceles and Equilateral Triangles

Unit 33

Percentages - Practice

Unit 34

Digits and Divisibility - Practice

Unit 35

Cartesian Grid Geometry Logic - Intro

Unit 36

Pythagoras - Foundations

Unit 37

Decimal Multiplication - Advanced

Unit 38

Geometry - Intersecting, Parallel, and Perpendicular Lines

Unit 39

Percents and Simple Interest - Intro

Unit 40

Factoring and Lowest Common Multiple - Practice

Unit 41

Fraction Addition and Subtraction - Advanced

Unit 42

Squares and Square Roots - Practice

Unit 43

Decimal Division - Advanced

Unit 44

Fraction Addition and Subtraction, Mixed - Practice

Unit 45

Factoring, Multiplication, Division, Fractions - Intro

Unit 46

Exponents - Multiplication and Division - Advanced

Unit 47

Geometry - Circle Partial Area and Circumference - Intro

Unit 48

Patterning - Number Patterns Advanced

Unit 49

Measurement - Units Advanced - Metric

Unit 50

Geometry - Surface Area of 3D Shapes - Practice

Unit 51

Exponents - Power Law - Intro

Unit 52

Factoring and Greatest Common Factor - Advanced

Unit 53

Algebra Manipulating Variables - Intro

Unit 54

Geometry - Cylinders - Intro

Unit 55

Probability and Statistics - Counting and Probability Practice

Unit 56

Percentages - Advanced

Unit 57

Measurement - Unit Conversion Intro - Metric

Unit 58

Speed, Distance, and Time - Advanced

Unit 59

Ratios of Lengths - Intro

Unit 60

Cartesian Grid Geometry Logic - Practice

Unit 61

Percents and Simple Interest - Practice

Unit 62

Squares and Square Roots - Advanced

Unit 63

Area and Perimeter Logic - Practice

Unit 64

Slope - Intro

Unit 65

Algebra Basic Concepts - Advanced

Unit 66

Factoring and Lowest Common Multiple - Advanced

Unit 67

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

Unit 68

Geometry - Volume Logic with 3D Shapes - Intro

Unit 69

Scientific Notation - Multiplication and Division - Intro

Unit 70

Pythagoras - Intro

Unit 71

Negative Integers - Practice

Unit 72

Speed, Distance, and Time Logic Challenges - Intro

Unit 73

Factoring, Multiplication, Division, Fractions - Practice

Unit 74

Pythagorean Triples - Intro

Unit 75

Cartesian Grid Distance - Intro

Unit 76

Probability and Statistics - Factorial Form Intro

Unit 77

Exponents - Power Law - Practice

Unit 78

Pythagorean Theorem with Decimals - Intro

Unit 79

Percentages - Practice

Unit 34

This math unit revolves around the application and mastery of percentages, starting from basic operations with decimals and percent calculations, and progressing to practical financial applications. Initially, students practice multiplying decimal tenths by tens to grasp decimal operations. The unit then delves into percentage calculations, beginning with simpler tasks such as determining what percentage one number is of another using 10% and 5% increments. As proficiency develops, students engage in calculating exact percentages of numbers even in 1% increments. The unit advances to applying these percentage skills to real-world scenarios involving percentage growth, reduction, and changes in numbers, emphasizing multiple real-life applications including financial scenarios like money growth and reductions. Operating primarily in 5% and 10% multiples, it gradually guides students through increasingly complex percentage problems, enhancing their computational abilities and preparing them for diverse practical applications of percentage calculations in everyday life.more

Skills you will learn include:

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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 Percentages - Practice.

This math topic focuses on determining the percentage decrease for given numbers. It specifically deals with scenarios where initial numbers decrease to lower values and students must calculate the exact percent change. The changes are presented in 5% increments to simplify the computation process. The problems are structured with multiple-choice answers, encouraging learners to distinguish between different rates of decrease and select the correct percentage that represents the reduction from the original number to its new value.more

This math topic focuses on calculating percent changes when numbers increase. These problems are framed to engage students in determining the percentage increase of values in multiples of 5%. For example, students calculate by what percentage a value has changed from one number to another. Each question presents a simple numerical increment scenario, and students must identify the correct percentage increase from provided multiple-choice options. This set of problems helps to solidify understanding of basic percentage increase calculations.more

This math topic focuses on determining the full number from a given percent of the number, specifically using percentages that are multiples of 1%. The practice problems require solving questions in which one number is a specified percentage of another. For example, students might be asked to find what the total number is if 7.8 is 13% of that number. Each question provides multiple-choice answers, encouraging the application of percent calculations to solve real-world problems related to percentages.more

This math topic focuses on calculating percentages, specifically finding 5% and 15% of various numbers such as 20, 40, 60, 80, and 100. The problems are presented in a multiple-choice format, where each question provides six possible answers. Learners are expected to perform basic percentage calculations and select the correct answer from the provided options. This practice is part of a broader unit on understanding and mastering percentages.more

This math topic focuses on calculating the reduced amount of a number after applying varying percentages of decrease, specifically in 5% increments. The problems involve determining the final values when certain percentages (ranging from 25% to 95%) are subtracted from given numbers. Each question presents a base number and asks the student to compute the result after reducing it by a specified percentage, challenging their understanding and application of percentage reductions in practical scenarios.more

This topic focuses on calculating 20% of various numbers, working on the concept of finding a specific percentage (a multiple of 10%) of given values. Each problem poses the same task – to determine what 20% of a stated number is, offering multiple choice answers to select from. The skill practiced is a basic application of percentage calculations, which is part of a broader unit on percentages. This math concept helps develop a foundational understanding of percentage operations, usually necessary for various practical and academic applications in mathematics.more

This math topic focuses on calculating the full value of a number given a percentage of it. Specifically, these problems involve determining what larger number a given value represents a certain multiple of 10 percent of, typically involving 20% and also including problems with 10% and 30%. Each problem presents the scenario where a portion of a number is provided, and the task is to find the entire number based on the given percentage. Multiple choice answers are provided to help practice understanding and applying percentage calculations to find the original number.more

This math topic focuses on calculating percentages of various numbers specifically using multiples of 10%. It practices finding specific percentages such as 10%, 40%, 70%, 90%, and 100% of given numbers, which range from 10 to 100. Each problem presents multiple choices for answers, challenging learners to pick the correct calculation result from the options provided. This is part of a broader unit on percentages, aiming to build essential skills in understanding and applying percentage calculations in various contexts.more

This math topic focuses on calculating percent growth of money, specifically using 10% increments. The problems involve determining the final monetary amount after applying a 20% increase, either as interest, a tip, or a general percentage increase to initial amounts ranging from $5 to $95. Each problem lists multiple-choice answers, requiring an understanding of applying percentage calculations in various financial contexts to solve them.more

This math topic focuses on calculating percentage reductions on monetary values, specifically using multiples of 10%. Students practice finding the final amount after applying a 20% discount to different sums of money. The exercises include various financial scenarios where students need to determine how much money remains after subtracting a percentage. Multiple-choice answers are provided for each question to test the learners' ability to calculate the correct discounted amounts.more

This math topic focuses on calculating the percentage growth of money, specifically using 5% increments. It consists of seven questions, each requiring the computation of a final monetary amount after an applied percentage change. Scenarios include calculating tips, interest, and percentage growth on various initial amounts. The problems are multiple-choice with different answer options provided for each scenario. This topic aims to enhance proficiency in applying percentages to real-world financial situations.more

This math topic focuses on calculating the percent growth of money using multiples of 5%. The problems require students to determine final amounts after varying percentage increases on different base amounts. Students must add specific percentages (e.g., 25%, 35%, 45%, 75%, 85%) to initial monetary values to find new totals. Each problem presents multiple choice options for the answers, enhancing skills in percentage calculations and practical application to financial growth scenarios.more

This math topic explores the skill of calculating percent change when a number decreases. The problems specifically focus on scenarios where the decrease occurs in multiples of 10%. Each question presents a different scenario where a number shrinks to a lesser value, and the task is to determine the percentage change correctly from multiple-choice options. These problems are ideal for practicing percentage calculations in a context where numbers are reduced, helping learners understand how to effectively compute percentage differences from original values.more

This math topic focuses on calculating percentages of given numbers, where the percentages are in multiples of 1%. It includes practical problems on finding specific percentages of various amounts, enhancing number manipulation and decimal proficiency skills. These problems form a vital part of a broader unit on mastering percentages, aimed at developing accurate computational abilities related to real-world percent calculations. Each problem offers multiple answer choices, aiding in recognition and selection of correct numerical values, ensuring a deep understanding and application of percentage calculations.more

This math topic focuses on calculating the percentage change when numbers increase, specifically using multiples of 10%. The skill of determining percentage increments from one number to a higher one is explored through a series of problems where a base number grows to a larger number, and the task is to identify the percentage increase from multiple-choice answers. This is a foundational topic within the broader study of percentages, demonstrating how to quantify relative changes in numeric values.more

This math topic deals with calculations involving percentages, specifically finding the whole number when a given value represents a specific percentage (in multiples of 5%) of it. It consists of problems where students are required to identify the base number from which a certain percentage is derived. Each question provides a scenario in which a small number is a stated percent of a larger unknown number, challenging the students to solve for this unknown. There are multiple choice answers provided for each problem. The focus is on practical application of percentage concepts in problem-solving.more

This math topic focuses on calculating percentages, specifically finding what percentage one number is of another using 5% increments. It involves solving problems that require expressing one quantity as a percentage of another, enhancing learners' ability to work with ratios and proportional relationships. The problems are presented in a multiple-choice format, offering various percentages as possible answers to help learners practice and recognize correct calculations. This skill is an essential part of understanding and using percentages, useful in various real-life applications.more

This math topic focuses on calculating the result of percentage reductions, specifically in multiples of 10%, applied to various numbers. It covers the practical application of finding a final value after reducing an original amount by a specified percentage like 50%, 60%, 70%, and 80%. Each problem provides multiple answer choices. The exercises are designed to enhance understanding of basic percentage calculations and their real-world implications.more

This math topic focuses on calculating the increased value of a number after adding a certain percentage to it, specifically using multiples of 10% like 60%, 70%, 80%, and 100%. Each question presents a base number (e.g., 40, 90, 60) and asks to determine the new value after increasing by the specified percentage. The answers are provided in a multiple-choice format. This set of problems challenges learners to apply their understanding of percentage growth calculations as part of a broader unit on percentages.more

This math topic focuses on calculating the final value of a number after an increase by specific percentage increments, such as 45%, 65%, 75%, 85%, and 95%. The questions challenge the learners to determine the new number after the original number is increased by these percentages. Each problem requires the application of percentage growth concepts to numbers like 40, 60, 80, and 100. The learners are provided with multiple-choice answers to select the correct increased value. This skill is practiced as part of a broader unit on percentages.more

This math topic focuses on calculating the change in an amount of money by a specific percentage, specifically 25% in various contexts such as growth, interest addition, and tips. The scenarios presented involve computing the final monetary amount after incrementing the original sums by 25%. Each problem provides multiple answer choices, prompting learners to apply knowledge of percentages to financial literacies like calculating interest and tips. This exercise is part of a broader curriculum on practicing percentage calculations.more

This math topic focuses on calculating the final amounts after applying discounts or increasing prices in terms of percentage reductions, specifically in multiples of 5%. The problems involve scenarios like taking a 15% discount on different monetary amounts, applying a 5% reduction, and computing after-tax values. Each question provides a monetary amount and requires determining the new amount after adjusting for a given percentage change. This helps practice computations involving percentages, an essential skill for financial literacy.more

This math topic focuses on calculating the final amount of money after applying a percent reduction, specifically using multiples of 5%. The problems require understanding how to apply percentage reductions accurately to different monetary amounts. Each problem is structured to reinforce the practical application of percentage calculations in financial contexts, such as determining final prices after taxes, discounts, or other deductions. The exercises are presented in a multiple-choice format, inviting learners to solve and select the correct final amount from a list of possibilities.more

This math topic focuses on calculating percentage reductions on amounts of money, specifically concentrating on reductions by multiples of 5%. The problems require students to determine the final monetary amounts after a specified percentage (25% in each instance) has been deducted. This skill is essential for understanding financial discounts and tax calculations, enhancing students' practical and real-life mathematical abilities. Each question provides multiple-choice answers for students to choose from.more

This math topic focuses on calculating percentage growth, specifically increasing a number by 10% multiples (20% in the provided problems). Students practice computing the final number after a specified percentage increase. Each problem asks for the new value after increasing an original number by 20%, with multiple-choice answers provided. The problems strengthen skills in applying percentage growth formulas and understanding practical implications of percentage increases.more

This math topic focuses on calculating percentage growth of different numbers, specifically identifying what percent a given number increases to reach a new value. The increments are primarily designed around multiples of 5%. Each problem presents two numbers where the first grows to the second, and the task is to determine the percent increase from the original number to the new number. The problems cover varied instances of growth and challenge the learner to apply concepts of percentage increase accurately. This is part of a broader unit on practicing percentage calculations.more

This math topic focuses on calculating the percentage change when a number decreases, specifically using multiples of 5%. The exercises involve determining the percentage by which a given number shrinks to a new value in various scenarios. Each problem provides multiple choice answers for the learners to select from, enhancing their understanding of how to compute percentage decreases in practical contexts.more

This math topic focuses on calculating percentage reductions of numbers, specifically in multiples of 5%. It includes determining the new value of numbers after they have decreased by percentages such as 5% or 15%. The problems require students to apply their understanding of basic percentage calculations to find the reduced amounts from original numbers like 60, 80, 100, 40, 20, and more. Each problem offers multiple choice answers, enhancing students' skills in percentage reductions and testing their ability to correctly compute the final values after specified percentage decreases.more

This math topic focuses on calculating the percent change when numbers shrink, specifically using multiples of 10%. It covers practical exercises where students identify the percentage reduction when a number decreases to a new value. The practice questions provide different initial and final values, challenging students to compute the percentage decrease and select the correct answer from multiple choices. Each problem is formatted to help students understand how to calculate percent decrease in everyday context and scenarios.more

This math topic focuses on calculating the percent growth of numbers, specifically using increments of 5% and 15%. It involves determining the new values of given original numbers after applying the specified percentage increase. The problems are structured in a multiple-choice format where students must select the correct new value after the increase has been calculated. The practice helps students understand and master the application of percentage growth in various scenarios.more

This math topic focuses on determining percentages, specifically calculating what percent one number is of another using 1% multiples. The exercises involve finding the percentage that the first number represents relative to the second number. Each question is structured as a multiple-choice challenge with various percentage options. This topic is part of a broader study of percentages and provides foundational practice in understanding and calculating basic percentage relationships. The problems vary slightly in difficulty by using different pairings of numbers to calculate the percentage, effectively building the learner's ability to apply the concept across different scenarios.more

This math topic focuses on calculating what percentage one number is of another, specifically using multiples of 10%. It includes problems where students must determine the percentage relationship between two numbers, such as finding what percent 3 is of 30, 18 of 60, and several similar problems. These exercises are designed to aid in understanding fundamental percentage concepts and enhance computational skills related to percentages. The topic forms part of a broader focus on percentage operations. Each question presents multiple-choice answers, challenging students to select the correct percentage calculation.more

Decimal Tenths by Tens - Column (Level 1)

This math topic focuses on practicing multiplication of decimal tenths by tens, using a column format. It is an introductory topic into decimal multiplication and includes seven different problems that require multiplying whole numbers by decimal factors such as 0.1 or 0.2. Each problem provides various answer choices to identify the correct result of the multiplication operation. This helps students understand and build proficiency in decimal operations, specifically understanding how multiplication with decimals affects the product compared to whole number multiplication.more

This math topic focuses on calculating percentages of numbers specifically using multiples of 5%. It includes practice problems where students need to find specific percentages of given numbers. Each problem provides multiple choice answers to select from. This topic is part of a broader unit on practicing percentage calculations, designed to enhance students' ability to work with percentages in various contexts.more

This math topic focuses on converting percentages to decimals. It encompasses a series of questions where students must convert a given percent value into its decimal equivalent. Each question presents a percent value and multiple choice answers. This subject falls under the broader unit of studying fractions, decimals, and percents, providing a basic yet crucial skill for understanding relationships among different forms of numerical expressions. The math topic includes enrichment through online resources, suggesting a comprehensive approach to learning this essential mathematical concept.more

This math topic focuses on the skill of calculating percent reductions of numbers using multiples of 10%. It presents problems where learners must compute the resultant value after reducing an original number by 20%. Each problem offers multiple choices for the answers, allowing the learner to select the correct reduced value. The curriculum is part of a larger unit on understanding and practicing with percentages. These exercises are apt for enhancing one's ability to apply percentage calculations in real-life situations.more

This math topic focuses on calculating the percent change when numbers grow, specifically using 10% increments. Students are given problems where they need to determine the percentage increase from one number to another. Examples include calculating the percent change from 75 to 90, from 85 to 102, and other similar scenarios. Each question provides multiple choice answers, aiding in the learning of percentage calculation techniques in the context of number growth. This helps in understanding how percentages represent changes in values, which is a fundamental aspect of handling real-life data and financial calculations.more