Illustrative Math Alignment: Grade 6 Unit 9

This 45-minute SAT Math prep lesson focuses on ratios, proportions, and percents—key concepts that appear throughout the Problem Solving and Data Analysis domain of the SAT. These topics account for approximately 29% of the SAT Math section and often appear in real-world scenarios involving recipes, maps, discounts, and data comparisons. In this lesson, students will learn to simplify ratios, solve proportions using cross multiplication, calculate percent increase and decrease, and solve percent-based equations involving unknowns.

In this high school algebra lesson, students will learn how to simplify complex rational expressions—fractions that contain other fractions in the numerator, denominator, or both. Mastering this topic is essential for working with advanced algebraic expressions and preparing for higher-level math courses, including calculus.

Key concepts covered in this lesson include:

In this high school algebra lesson, students will learn how to add and subtract rational expressions by finding common denominators and simplifying algebraic fractions. Mastering these operations is essential for working with complex rational equations and solving real-world problems involving algebraic fractions. This lesson builds on prior knowledge of simplifying rational expressions and applying fraction rules.

Key concepts covered in this lesson include:

In this high school algebra lesson, students will learn how to multiply and divide rational expressions by applying fraction rules and algebraic simplification techniques. Understanding these operations is essential for working with complex algebraic expressions and solving rational equations. This lesson builds on students’ knowledge of simplifying rational expressions and introduces step-by-step strategies for performing multiplication and division.

Key concepts covered in this lesson include:

In this high school algebra lesson, students will learn how to simplify rational expressions by applying factoring techniques and identifying common factors. Rational expressions, which are algebraic fractions, can often be simplified by reducing common terms in the numerator and denominator. This lesson provides a step-by-step approach to recognizing and simplifying these expressions while reinforcing key algebraic concepts.

Key concepts covered in this lesson include:

In this lesson, students will explore the fundamentals of rational expressions, a key concept in algebra. They will learn how to identify, simplify, and evaluate rational expressions by applying their understanding of fractions and algebraic operations. This lesson introduces students to the structure of rational expressions, emphasizing their similarities to numerical fractions and their role in algebraic problem-solving.

Key concepts covered in this lesson include:

In this lesson, students explore the properties of parallel and perpendicular lines in coordinate geometry. They will learn how to identify these lines based on their slopes, determine equations for parallel and perpendicular lines, and apply these concepts to solve real-world and mathematical problems.

Key concepts covered in this lesson include:

In this lesson, students will explore direct variation, a special type of proportional relationship where one variable is a constant multiple of another. They will learn how to identify direct variation in tables, graphs, and equations, determine the constant of variation ($k$), and understand how direct variation relates to linear functions.

Key concepts covered in this lesson include:

In this lesson, students will explore how to represent and analyze proportional relationships using graphs, tables, and equations. They will learn that proportional relationships follow the equation $y = kx$, where $k$ is the constant of proportionality, and that these relationships always form a straight line passing through the origin on a coordinate plane.

Key concepts covered in this lesson include:

In this lesson, students will develop their problem-solving skills by learning multiple strategies for solving percent problems. Using proportions and equations, they will calculate percent increase, percent decrease, discounts, taxes, commissions, and simple interest. This lesson builds on proportional reasoning skills and applies them to real-world financial and mathematical situations.

Key concepts covered in this lesson include:

In this lesson, students explore ratios and proportional relationships, building on their prior knowledge to deepen their understanding of proportional reasoning. They will analyze proportional relationships in tables, graphs, and equations while identifying the constant of proportionality and its significance in real-world applications.

Key concepts covered in this lesson include:

In this lesson, students will develop their problem-solving skills by tackling multi-step ratio and proportion problems. They will learn how to analyze complex ratio scenarios, apply proportional reasoning, and use unit conversions to solve real-world problems. This lesson builds on students' understanding of ratios and proportions, reinforcing their ability to work through multi-step calculations with confidence.

Key concepts covered in this lesson include:

Lesson Plan: Representing Proportional Relationships

In this lesson, students will explore different ways to represent proportional relationships using tables, graphs, and equations. They will analyze proportional relationships in real-world contexts and learn how to determine the constant of proportionality. The lesson emphasizes how proportional relationships appear as linear functions that pass through the origin when graphed.

Students will practice:

In this engaging Grade 7 math lesson, students will explore how to recognize and analyze proportional relationships. Using tables and graphs, learners will determine whether two quantities are proportional and identify the constant of proportionality. This lesson aligns with Common Core Standard 7.RP.A.2 and helps students build foundational skills in ratio and proportion concepts.

Topics covered include:

Subscribers to Media4Math can download this lesson in PDF format for easy classroom use.

This lesson introduces seventh-grade students to unit rates and complex fractions, helping them develop a deeper understanding of proportional relationships and fraction operations. Students will learn to compute unit rates with fractional quantities, simplify complex fractions, and apply these skills to real-world situations such as speed calculations, recipe adjustments, and measurement conversions.

This lesson introduces seventh-grade students to ratios and unit rates, emphasizing their real-world applications. Through engaging activities and problem-solving exercises, students will develop proportional reasoning skills.

This lesson plan is designed to provide sixth-grade students with a comprehensive understanding of ratios, proportions, and percents. Through engaging activities, hands-on explorations, and real-world applications, learners develop essential skills in comparing quantities, scaling figures up or down, and converting between fractions, decimals, and percents. This lesson emphasizes critical thinking and problem-solving strategies that help students apply mathematical reasoning to everyday situations, such as adjusting recipes, budgeting, and analyzing data.

Key topics covered in this lesson include:

This comprehensive lesson plan is designed to introduce sixth-grade students to the concept of percents, emphasizing their relationship to fractions and decimals. Through engaging activities, detailed examples, and practical applications, students will develop a strong foundation in interpreting and solving percent problems in various real-world contexts.

This lesson introduces sixth-grade students to ratios and rates, emphasizing their applications in real-world problem-solving. Through hands-on activities, students will learn how to calculate unit rates, interpret proportional relationships, and analyze data using tables and graphs.

In this lesson, students will deepen their understanding of equivalent ratios and their role in proportional reasoning. By exploring real-world applications, students will develop the skills to recognize, create, and use equivalent ratios in practical situations. The lesson introduces multiple strategies for working with equivalent ratios, including ratio tables, scaling up and down, and solving problems using proportional reasoning.

Key components of this lesson include:

In this foundational lesson, students embark on a journey to understand the concept of ratios, a crucial building block in mathematics that compares two or more quantities. Through engaging activities and practical examples, learners will:

Topic

Ratios

Description

This example demonstrates the use of double number lines to solve a ratio problem involving orange and lemon juice. The juice mixture uses a ratio of 2 parts orange juice to 1 part lemon juice. Given 6 cups of orange juice, students are asked to determine the amount of lemon juice needed. The solution involves aligning the double number lines at the amount of orange juice and reading the corresponding amount of lemon juice, which is 3 cups.

Topic

Ratios

Description

This example builds upon the previous one, using the same ratio of 2 parts orange juice to 1 part lemon juice. However, in this case, students are given 4 cups of lemon juice and asked to determine the amount of orange juice needed. The solution involves aligning the double number lines at the amount of lemon juice and reading the corresponding amount of orange juice, which is 8 cups.

Topic

Ratios

Description

This example introduces a new ratio of 3 parts orange juice to 1 part lime juice. Students are given 9 cups of orange juice and asked to determine the amount of lime juice needed. The solution involves using a double number line to align at the amount of orange juice and find the corresponding amount of lime juice, which is 3 cups.

Topic

Ratios

Description

This example introduces a more complex ratio of 3 parts orange juice to 2 parts lime juice. Students are given 4 cups of lime juice and asked to determine the amount of orange juice needed. The solution involves using a double number line to align at the amount of lime juice and find the corresponding amount of orange juice, which is 6 cups.

Topic

Ratios

Description

This example introduces a three-part ratio of 2:1:1 for orange, lemon, and raspberry juice. Given 4 cups of orange juice, students need to determine the amounts of lemon and raspberry juice required. The solution shows that 2 cups each of lemon and raspberry juice are needed to maintain the ratio.

Topic

Ratios

Description

This example presents a three-part ratio of 3:2:2 for orange, lemon, and raspberry juice. Given 6 cups of lemon juice, students need to determine the amounts of orange and raspberry juice required. The solution shows that 9 cups of orange juice and 6 cups of raspberry juice are needed to maintain the ratio.

This is part of a series of math examples that show how to solve ratio problems involving double number lines.

Note: The download is a PNG file.

Topic

Ratios

Description

This example presents a three-part ratio of 4:3:2 for orange, lemon, and lime juice. Given 4 cups of lime juice, students need to determine the amounts of orange and lemon juice required. The solution shows that 8 cups of orange juice and 6 cups of lemon juice are needed to maintain the ratio.

Topic

Ratios

Description

This example features a three-part ratio of 5:2:1 for orange, lemon, and lime juice. Given 6 cups of lemon juice, students need to determine the amounts of orange and lime juice required. The solution demonstrates that 15 cups of orange juice and 3 cups of lime juice are needed to maintain the ratio.

Topic

Ratios

Description

This example introduces a four-part ratio of 5:2:1:1 for orange, lemon, lime, and strawberry juice. Given 10 cups of orange juice, students need to determine the amounts of lemon, lime, and strawberry juice required. The solution shows that 4 cups of lemon juice and 2 cups each of lime and strawberry juice are needed to maintain the ratio.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of proportional reasoning in the context of carbon dating.

This is a collection of clip art images that show an application of ratios and proportional reasoning in the context of gear ratios.

This is a collection of clip art images that show an application of ratios and proportional reasoning in the context of gear ratios.

This is a collection of clip art images that show an application of ratios and proportional reasoning in the context of gear ratios.