Trigonometry Fundamentals - Practice

This math unit initially focuses on understanding and calculating ratios of line lengths in various geometric configurations, including parallel and right angle line displays. It introduces students to basic trigonometry through the practical application of calculating these ratios and progresses to more complex tasks. As the unit develops, students begin working with trigonometric identities and ratios such as sine, cosine, and tangent. They learn to solve for unknown angles based on given side lengths and to express relationships using trigonometric formulas. The later sections of the unit continue to emphasize interpreting and solving problems using trigonometric ratios and identities but introduce more complex applications, involving decimal representations and extracting trigonometric values from diagrams. The unit concludes with a comprehensive understanding of using trigonometric principles to solve geometric problems, setting a strong foundation in trigonometry by systematically building fluency from simple ratio calculations to complex trigonometric applications.Skills you will learn include:

  • Sin, cos, tan
  • Solving triangles with trignometry
more
Foundational Units
Builds Towards

Passed

Started

Not Started

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 Trigonometry Fundamentals - Practice.

Both Lengths to Ratio, Whole Numbers - Parallel Line Display (Level 2)

This math topic focusses on developing the ability to calculate and understand ratios of lengths, particularly in scenarios involving parallel lines. It forms part of an introductory course on trigonometry fundamentals. Specifically, students practice determining the ratio of specific lines depicted within various geometric diagramming problems, challenging their spatial awareness and ability to apply ratio concepts. Each question provides multiple-choice answers, which aids in reinforcing the conceptual understanding through validation of the correct ratios calculated from the diagrams.

more

Length and Ratio to Top Length, Whole Numbers - Parallel Line Display (Level 2)

This math topic practices solving problems related to finding unknown lengths in geometric figures, specifically focusing on ratios and proportions. It is part of an introductory unit on trigonometry fundamentals. Students are tasked with applying their understanding of ratios and parallel lines to determine the lengths of various line segments represented in the problems. Each question includes multiple-choice responses. These problems develop fundamental skills in trigonometry by integrating knowledge of whole numbers and geometric visualization.

more

Length and Ratio to Bottom Length, Whole Numbers - Parallel Line Display (Level 2)

This math topic focuses on the application of basic trigonometry principles to solve problems involving the ratios of lengths. Specifically, it challenges students to find the lengths of various line segments in diagrams that involve parallel lines. The problems are likely set in a context that tests understanding of ratios and simple trigonometric relationships within geometric figures. This forms part of a broader introduction to trigonometry fundamentals and helps develop an understanding of geometrical concepts using ratios and measurements.

more

Both Lengths to Ratio, Whole Numbers - Right Angle Line Display (Level 2)

This math topic focuses on practicing the calculation of ratios of line lengths, using diagrams depicting lines at right angles. It is aimed at introducing and reinforcing the basics of trigonometry fundamentals. Each question provides a diagram and asks to solve for the ratio of lengths between two specified lines, assessing the learner's ability to apply trigonometric concepts to solve real-world problems visually and numerically. The series of seven questions enhances conceptual understanding and computation skills in forming and solving ratios.

more

Length and Ratio to Top Length, Whole Numbers - Right Angle Line Display (Level 2)

This topic focuses on applying basic trigonometry and geometry concepts to solve problems related to lengths and ratios. It involves finding the lengths of various lines in right-angle displays, which includes interpreting visual information presented through images. The problems are structured to improve understanding of ratios of lengths, and the fundamental relationship between different sides in right-angle triangles. It forms part of an introduction to trigonometry fundamentals. Each problem provides multiple choice answers, allowing students to check their calculations against provided values.

more

Length and Ratio to Bottom Length, Whole Numbers - Right Angle Line Display (Level 2)

This math topic focuses on calculating ratios of lengths and trigonometric values in right triangle configurations. The problems primarily involve solving for unknown lengths of lines in various triangle figures. Each question presents a visual representation of a geometric scenario involving right angles, where the student must apply knowledge of ratios and basic trigonometry principles to find the correct length from multiple choice options. This set of problems is an introductory exercise to understanding the fundamentals of trigonometry.

more

Both Lengths to Ratio, Whole Numbers - Angle Line Display (Level 2)

This math topic focuses on calculating ratios of lengths between different lines, such as line y over line n, line y over line r, line m over line c, and several others. Each problem presents a specific set of line pairs for which the learner must determine the numerical ratio of their lengths. This topic is categorized under trigonometry fundamentals, targeting basic skills in understanding and computing ratios using lengths portrayed in visual representations. This is essential for introductory trigonometry and developing a foundational understanding of ratios and proportions in geometric figures.

more

Length and Ratio to Top Length, Whole Numbers - Angle Line Display (Level 2)

This math topic covers problems primarily focused on calculating the lengths of lines based on given ratios and understanding trigonometry basics. It provides applications in finding specific line lengths, part of an introductory unit on trigonometry fundamentals. The questions offer different scenarios in which learners solve for the unknown length of a line, thereby applying principles of trigonometry and ratios. Each question has multiple-choice answers, allowing students to select the correct length from the provided options. Through these exercises, learners enhance their skills in geometrical calculations and understanding of trigonometric concepts.

more

Length and Ratio to Bottom Length, Whole Numbers - Angle Line Display (Level 2)

This math topic covers fundamental trigonometry concepts, specifically focusing on the calculation of line segment lengths within various geometric figures using ratios. The problems are framed around the real-world application of trigonometry principles, enhancing the learner's ability to solve for unknown lengths given other parts of the figure, using visual cues and whole number calculations. Each problem requires the finding of a specific line segment length, labeled differently across various questions (e.g., line r, x, d, c, z). The setup aids in building foundational skills in understanding trigonometric ratios and relationships between line segments in geometric figures.

more

Trig Identities in Variable Ratios (Level 1)

This math topic focuses on identifying and working with trigonometric identities involving variable ratios. The problems specifically require selecting the correct definition for three fundamental trigonometric ratios: tangent, sine, and cosine. Each ratio is presented with multiple choice answers where students must choose the expression that correctly represents the ratio. This set of problems is designed to enhance understanding of trigonometry foundations.

more

Select Trig Identity from Variable Ratios (Level 1)

This math topic focuses on basic trigonometric identities and their relationships, specifically sine, cosine, and tangent. It involves selecting the correct trigonometric ratio based on variable ratios given, such as the side opposite to the angle over the side adjacent to the angle (opp/adj), adjacent over hypotenuse (adj/hyp), and opposite over hypotenuse (opp/hyp). The problems require understanding and application of trigonometry foundations to identify these ratios correctly.

more

Calculating Angles from Ratios (Words to Arc Notation) (Level 1)

This math topic focuses on calculating angles using trigonometric ratios, specifically transitioning from word descriptions to arc notation. It explores fundamental trigonometry concepts, providing multiple choice questions that ask how to compute an angle given its sine, cosine, or tangent value. The questions also test the understanding of inverse trigonometric functions, such as arcsin, arccos, and arctan, to find angle measures from given trigonometric ratios. This topic is part of an introductory unit on trigonometry fundamentals.

more

Calculating Angles from Ratios (to Arc Notation) (Level 1)

This math topic focuses on using trigonometric functions to calculate angles from given ratios, primarily using inverse trigonometric functions (arc functions). It covers problems involving the sine (sin), cosine (cos), and tangent (tan) functions, converting specific ratios to angles using arc notation like arcsine (asin), arccosine (acos), and arctangent (atan). Each question in the series offers multiple choices to identify the correct application of these functions, reinforcing understanding of how to correctly interpret trigonometric ratios and calculate corresponding angles.

more

Calculating Ratios from Angles (Words) (Level 1)

This math topic centers on trigonometry, specifically calculating trigonometric ratios from given angles expressed in words. It involves practicing fundamental trigonometry skills such as finding values of sine, cosine, and tangent for specific angles. Each problem presents an angle and requires the calculation of a trigonometric ratio, providing multiple-choice answers. It serves as an introduction to trigonometry fundamentals.

more

Calculating Angles from Ratios (Words) (Level 1)

This math topic focuses on trigonometry, specifically teaching students how to calculate angles from given trigonometric ratios using cosine (cos), sine (sin), and tangent (tan). The problems are structured to help students identify angles using algebraic expressions presented with each trigonometric function's value. Possible answers for each question are listed with varying angle degrees, challenging students to correctly apply trigonometric concepts to find the appropriate angle. This is an introductory level module suitable as an early exploration into the fundamentals of trigonometry.

more

Calculating Angles from Ratios (-1 Notation) (Level 1)

The math topic focuses on calculating angles from given trigonometric ratios using the inverse functions (notated as -1, i.e., arcsin, arccos, arctan). Various problems require identifying the angle, denoted by alpha (α), from specified trigonometric values, such as tangent and cosine. These problems are structured in multiple-choice format, where each problem has several options presenting different angles in degrees. The overall aim is to strengthen understanding and application of inverse trigonometric functions to solve for angles when trigonometric ratios are given. This forms an introductory part of basic trigonometric fundamentals.

more

Calculating Angles from Ratio Decimals and Trig Identities (Level 1)

This math topic focuses on calculating angles from given ratios described in decimal form using trigonometric identities within a trigonometry fundamentals introduction. It involves interpreting trigonometric ratios (such as adjacent over hypotenuse or opposite over hypotenuse) to determine the corresponding angle values in degrees. Each problem presents a ratio and multiple-choice answers, requiring an understanding of trigonometric functions to identify the correct angle that corresponds to the specified ratio.

more

Identity Ratios from Diagrams (Level 1)

This math topic focuses on extracting and solving trigonometric ratios from given diagrams. Students are to identify and calculate ratios like sine, cosine, and tangent based on the relationships or measurements provided in the images. The problems involve expressing these trigonometric ratios in fraction form, enhancing their understanding of how to interpret diagrams and apply fundamental trigonometric identities. This subject is part of an introduction to trigonometry fundamentals, aiding in building a base for more complex trigonometric concepts.

more

Both Lengths to Ratio, Decimal Numbers - Parallel Line Display (Level 2)

This math topic focuses on calculating ratios of lengths, utilizing decimal numbers and visual representations involving parallel lines. The problems require determining the exact ratio between different line lengths depicted in the accompanying images. Each question provides multiple-choice answers to select the correct ratio. This set of exercises is part of a broader unit aimed at practicing and understanding length ratios in diverse scenarios.

more

Both Lengths to Ratio, Decimal Numbers - Right Angle Line Display (Level 2)

This math topic focuses on calculating the ratios of lengths between various lines represented in right-angle line displays. Each question in the topic requires learners to ascertain the numerical ratio between two line segments, denoted by different letters. The answers are provided in decimal form for multiple-choice assessment. Students gain practice in interpreting visual information and executing division to find ratios in mathematical and geometric contexts. This skill set is crucial for understanding relationships and proportions in more complex math topics that involve geometry and measurement.

more

Both Lengths to Ratio, Decimal Numbers - Angle Line Display (Level 2)

This math topic focuses on calculating ratios of lengths between different lines in geometric figures. The problems involve determining a ratio from two given lengths, where the answer is expressed in decimal form. There are multiple-choice answers provided for each problem, requiring students to solve for the correct ratio from visual representations of lines labeled with variables like m, n, x, c, d, r, and y. The content is appropriate for enhancing skills in interpreting geometric figures and applying knowledge of ratios and proportions in a visual and numerical format.

more

Both Lengths to Ratio, Decimal Numbers - Number Only Display (Level 2)

This math topic focuses on calculating the ratios of lengths between different lines. Each problem provides two lines, and students are required to determine the numerical ratio of their lengths. The answers are represented in decimal form. The problems help train students to visually interpret and calculate ratios from graphical representations, improving their skills in handling ratios and decimal numbers in practical scenarios.

more

Approximating Identities in Decimal from Diagrams (Level 1)

This math topic focuses on trigonometric skills, specifically visually approximating the values of the sine, cosine, and tangent of given angles based on diagrams. Each question presents an angle in a diagram form and asks the learner to select the best trigonometric decimal approximation from multiple choices. These problems are introductory and aim to enhance the student’s ability to connect geometric representations of angles with their trigonometric values. This is part of a broader unit on the fundamentals of trigonometry.

more

Side Length Ratios from Diagrams (Level 1)

This math topic focuses on using trigonometric ratios to solve for unknown side lengths in various geometric diagrams. Students practice calculating the sides of triangles using tangent, sine, and cosine functions given certain angles and other dimensions. Each question presents a different triangle diagram and requires students to apply trigonometric principles to express side lengths in ratio form. This set of problems is designed to help reinforce understanding of fundamental trigonometry concepts.

more

Identities in Decimal from Diagrams (Level 1)

This math topic focuses on practicing trigonometric identities and solving for trigonometric ratios such as sine and cosine from diagrams, with answers provided in decimal form. Each question presents a diagram and requires determining the correct trigonometric value, with multiple potential answers given. This set of problems is designed to strengthen understanding of trigonometry fundamentals at an introductory level.

more

Solve Angles from Diagrams (Level 1)

This math topic focuses on advanced trigonometry, particularly on solving for angles from given diagrams. It is an intricate part of a broader unit on Trigonometry Fundamentals at an advanced level. Each problem provides a diagram and requires the calculation of an angle using trigonometric principles. The problems feature multiple-choice answers with various angle values in degrees, indicating a practical application of trigonometry in interpreting and solving geometric figures represented in the diagrams.

more

Side Length Ratios in Decimal from Diagrams (Level 1)

This math topic focuses on solving for side lengths in decimal form by calculating trigonometric ratios from diagram representations. It covers foundational trigonometry skills, including understanding and applying ratios such as sine, cosine, and tangent to practical problems. Each question provides a different geometric scenario with the task of determining side lengths using provided trigonometric relationships, enhancing skills in both geometry and trigonometric applications. The problems are likely designed for beginners, as indicated by their categorization as part of an introductory unit on trigonometry fundamentals.

more

This math topic focuses on identifying trigonometric relationships involving sine, cosine, and tangent from given fact families. It covers the fundamental properties of ratios of sides in right-angled triangles (opposite, adjacent, hypotenuse) and their application in formulating correct trigonometric expressions. The problems require understanding and selecting the correct trigonometric formulas that represent the relationships discussed. These exercises serve as an introduction to trigonometry fundamentals, enhancing students' ability to decode and use trigonometric identities effectively.

more

Calculating Angles from Ratios (Words to -1 Notation) (Level 1)

This math topic focuses on trigonometry, specifically how to calculate angles from given trigonometric ratios using inverse notation (indicated by -1). The problems involve presenting a trigonometric function value (cosine, sine, or tangent) and asking the learner to determine the corresponding angle using inverse trigonometric functions, which is represented in various mathematical expressions as answers.

more

Calculating Angles from Ratios (to -1 Notation) (Level 1)

This topic covers the skill of calculating angles from given trigonometric ratios using inverse trigonometric functions, expressed in negative one notation (such as \( \cos^{-1} \), \( \tan^{-1} \), etc.). Each problem provides a ratio for a trigonometric function (cosine or tangent) and asks students to find the corresponding angle utilizing the inverse of that function. The multiple-choice format presents variations on how to apply inverse trigonometric functions and manipulate expressions to calculate angles correctly. Such practice is instrumental in deepening understanding of trigonometry fundamentals.

more

Calculating Ratios from Angles (Level 1)

This math topic focuses on calculating trigonometric ratios for specific angles, an advanced component of trigonometry fundamentals. Questions require determining the sine, cosine, or tangent of angles given in degrees, such as determining \( \tan(48^\circ) \), \( \sin(69^\circ) \), \( \cos(36^\circ), \) etc. Each question presents multiple choice answers, from which the correct trigonometric value must be selected. These problems help in understanding how to connect angle measures with their respective trigonometric ratios, vital for deeper study in trigonometry.

more

Calculating Angles from Ratios (Level 1)

This math topic focuses on advanced trigonometry, specifically on calculating angles from given trigonometric ratios. Students are required to find angles in degrees based on values of sine, cosine, and tangent. The problems range from finding angles for basic sine and cosine values to solving for angles using different tangent values. Each question includes multiple-choice answers, enhancing the students' problem-solving skills in interpreting trigonometric ratios to determine angle measures. This is a part of a broader unit on advanced trigonometry fundamentals.

more

Calculating Angles from Ratios (Arc Notation) (Level 1)

This math topic focuses on calculating angles from trigonometric ratios, specifically using the inverse trigonometric functions: arcsine (asin), arctangent (atan), and arccosine (acos). The problems present various trigonometric ratios, and learners must calculate corresponding degrees. Options for each question are given in multiple-choice format. This is part of an introductory unit on trigonometry fundamentals, which teaches how to interpret arc notation and trigonometric calculations. The goal is to enhance understanding of trigonometric relationships and angle calculations.

more

Calculating Angles from Ratio Fractions and Trig Identities (Level 1)

This math topic focuses on calculating angles based on trigonometric ratios. It includes solving problems that ask for the determination of an angle when given the ratio of sides, such as opposite to hypotenuse, opposite to adjacent, or adjacent to hypotenuse. The problems are designed to apply trigonometric identities and understand the relationships between different sides of a right triangle in trigonometry, aiming to enhance fundamental skills in trigonometry as an introductory concept. Each problem presents multiple choices for the angle that corresponds with the given side ratio.

more

Both Lengths to Ratio, Decimal Numbers - Parallel Line Display (Level 1)

This math topic focuses on practicing how to calculate ratios of lengths between different lines represented visually. It includes solving for the ratio of one line's length relative to another, using decimal representations within a series of problems. Example tasks require finding the ratio of length b to length p, d to m, y to m, y to c, and n to c. Each task involves understanding and interpreting line lengths from visual diagrams to calculate the corresponding ratio, which serves as valuable practice in handling proportions and decimal numbers in a geometric context.

more

Both Lengths to Ratio, Decimal Numbers - Right Angle Line Display (Level 1)

This math topic focuses on solving problems related to the ratios of lengths between different lines. Each problem presents an image with labeled lines and requires the calculation of the ratio of lengths of one line to another. Multiple choice answers are provided for each question, enhancing skills in determining ratios and understanding decimal representations linked to geometrical figures. The overall aim is to build proficiency in handling ratios numerically based on visual geometric information.

more

Both Lengths to Ratio, Decimal Numbers - Angle Line Display (Level 1)

This math topic focuses on calculating ratios of lengths between different lines represented in various images. The specific skill practiced is finding the ratio of one line's length over another, and the responses provided are in decimal form. The primary concept emphasized throughout the problems is understanding and solving for the specific relationship between lengths of different lines.

more

Both Lengths to Ratio, Decimal Numbers - Number Only Display (Level 1)

This math topic focuses on calculating ratios of lengths. Students are presented with various questions where they must determine the ratio between two line segments. The numerical answers are given in decimal form, enhancing skills in both understanding spatial relationships and handling decimal operations under the context of ratios. The objective is to solve for the given ratios, such as the length of one line over another, which helps in comprehending proportionality and scale between different measurements.

more

Approximating Ratios in Decimal from Diagrams (Level 1)

This math topic focuses on developing skills in approximating trigonometric ratios, specifically using visual information from diagrams to determine the ratios of triangle sides (labeled as 'o' for opposite, 'h' for hypotenuse, and 'a' for adjacent) in decimal form. The exercises predominantly deal with the ratios of 'o' to 'h' and 'a' to 'h'. The problems require visually interpreting diagrams, identifying relevant sides, and selecting appropriate decimal approximations from given options. This forms a basic introductory part of learning trigonometry fundamentals.

more

Side Lengths from Variables (Level 1)

This math topic focuses on trigonometric relationships involving sides of a right triangle and their associations with the sine and tangent functions. Problems require identifying the correct trigonometric expressions for given sides (opposite, adjacent, hypotenuse) in relation to the sine or tangent of an angle. The task involves determining how sides of a triangle are defined in terms of these trigonometric ratios, ensuring a practical understanding of fundamental trigonometry concepts.

more

Solve Trig Ratio from Values (Level 1)

The math topic covered involves practicing trigonometric ratios using given values. Students are required to solve for specific trigonometric functions—like sine, cosine, or tangent—based on values provided for adjacent, opposite, and hypotenuse sides of a triangle. The material is classified as Level 1, indicating that it is an introductory section under the broader unit of Trigonometry Fundamentals. This topic helps establish foundational knowledge in understanding and computing basic trigonometric relationships in right triangles, essential for further studies in trigonometry.

more

Solve Angles from Values (Level 1)

This math topic focuses on solving for unknown angles using trigonometric principles, specifically involving calculations using various side lengths of triangles (opposite, adjacent, hypotenuse). The problems provide measurements of two sides and require determining the angle, helping reinforce the application of trigonometric ratios such as sine, cosine, and tangent. This set of problems is designed as an introductory level of trigonometry, suitable for beginning learners who are just familiarizing themselves with the basics of trigonometric relationships in right-angled triangles.

more

Solve Side Lengths from Values (Level 1)

This math topic focuses on applying trigonometric principles to solve for unknown side lengths in right triangles. It covers various questions where students must use given angles and sides to calculate the missing side. The problems typically present an angle and one side length (either opposite, adjacent, or hypotenuse), and students need to find the unknown side by applying trigonometric ratios such as sine, cosine, or tangent. Each question includes multiple-choice answers, allowing students to check their calculations against possible solutions. This reinforces understanding of trigonometric relationships in practical applications.

more

Solve Side Lengths from Diagrams (Level 1)

This topic focuses on practicing advanced trigonometry skills, specifically solving for side lengths from diagrams, as part of the broader unit on "Trigonometry Fundamentals - Advanced." Through a series of questions, students are expected to apply trigonometric principles to find the missing side lengths in various triangle diagrams, helping to enhance their problem-solving skills and understanding of trigonometric relationships in geometry. The problems encourage mastery of solving for unknown sides using trigonometric ratios and formulas.

more

This math topic focuses on the trigonometric relationships involving sine, cosine, and tangent functions within triangles. It enhances the understanding of how these trigonometric ratios relate the sides of a right triangle to its angles. Problems include determining the appropriate right triangle that corresponds to given trigonometric facts. For instance, students identify which triangle configuration supports expressions like sin = opp/hyp, hyp = opp/sin, and tan * adj = opp. This topic fits within an introductory unit on trigonometry fundamentals, providing foundational knowledge in using trigonometric ratios to solve for unknowns in triangle geometry.

more