Illustrative Math Alignment: Grade 6 Unit 3

Unit Rates and Percentages

Lesson 3: Measuring with Different-Sized Units

Use the following Media4Math resources with this Illustrative Math lesson.

Title	Body	Curriculum Nodes
Math Example--Ratios, Proportions, and Percents--Solving Proportions: Example 7	Math Example--Ratios, Proportions, and Percents--Solving Proportions: Example 7 Topic Ratios, Proportions, and Percents Description This example demonstrates solving for d in a proportion where a = 12, b = 5, and c = 48. We set up the proportion 12 / 5 = 48 / d and solve for d, resulting in d = 20. This problem shows how to find an unknown value in the denominator of a proportion when all other values are known.	Proportions
Math Example--Ratios, Proportions, and Percents--Solving Proportions: Example 8	Math Example--Ratios, Proportions, and Percents--Solving Proportions: Example 8 Topic Ratios, Proportions, and Percents Description This example illustrates solving for d in a proportion where a = 11, b = 5, and c is expressed as x - 4. We set up the equation 11 / 5 = (x - 4) / d and solve for d, resulting in the expression d = (5(x - 4)) / 11. This problem demonstrates how to handle algebraic expressions in the numerator of a proportion.	Proportions
Math Example--Ratios, Proportions, and Percents--Solving Proportions: Example 9	Math Example--Ratios, Proportions, and Percents--Solving Proportions: Example 9 Topic Ratios, Proportions, and Percents Description This example demonstrates solving a proportion problem using similar triangles. Two triangles are shown, with one having sides of 3 and 4, and the other having sides of 6 and x. The problem requires finding the length of side x by setting up a proportion based on the similar triangles: 3 / 4 = 6 / x. Solving this equation leads to x = 8.	Proportions
Math Example: Color Mixtures: Example 1	Math Example: Color Mixtures: Example 1 Topic Ratios Description This example demonstrates a color mixture using a 1:1 ratio of red to blue paint to create purple. The image shows a purple color swatch and illustrates that for every one part of blue paint, one part of red paint is needed. In this specific case, there are two buckets of blue paint, so two buckets of red paint are required to maintain the 1:1 ratio. One additional bucket of red paint is needed to achieve the desired mixture.	Ratios and Rates
Math Example: Color Mixtures: Example 10	Math Example: Color Mixtures: Example 10 Topic Ratios Description This example features a dark green color swatch created using a 2:3:4 ratio of yellow, blue, and black paint. The problem presents three buckets of yellow and two each of blue and black paint, asking students to calculate the additional paint needed to match the swatch. The solution requires adding one more bucket of yellow, four more of blue, and six more of black to achieve the correct proportions.	Ratios and Rates
Math Example: Color Mixtures: Example 2	Math Example: Color Mixtures: Example 2 Topic Ratios Description This example illustrates a color mixture using a 2:1 ratio of blue to red paint to create a specific shade of purple. The image displays a purple color swatch and shows that for every two parts of blue paint, one part of red paint is needed. In this scenario, there are two buckets each of blue and red paint, but to maintain the 2:1 ratio, two more buckets of blue paint are required.	Ratios and Rates
Math Example: Color Mixtures: Example 3	Math Example: Color Mixtures: Example 3 Topic Ratios Description This example demonstrates a color mixture using a 3:1 ratio of blue to red paint to create a specific shade of purple. The image shows a purple color swatch and illustrates that for every three parts of blue paint, one part of red paint is needed. In this case, there are two buckets each of blue and red paint, but to maintain the 3:1 ratio, four more buckets of blue paint are required.	Ratios and Rates
Math Example: Color Mixtures: Example 4	Math Example: Color Mixtures: Example 4 Topic Ratios Description This example illustrates a color mixture using a 3:2 ratio of blue to red paint to create a specific shade of purple. The image displays a purple color swatch and shows that for every three parts of blue paint, two parts of red paint are needed. In this scenario, there are two buckets each of blue and red paint, but to maintain the 3:2 ratio, four more buckets of blue paint and one more bucket of red paint are required.	Ratios and Rates
Math Example: Color Mixtures: Example 5	Math Example: Color Mixtures: Example 5 Topic Ratios Description This example demonstrates a color mixture using a 2:3 ratio of yellow to blue paint to create a specific shade of green. The image shows a green color swatch and illustrates that for every two parts of yellow paint, three parts of blue paint are needed. In this case, there are three buckets of yellow paint and two buckets of blue paint, but to maintain the 2:3 ratio, one more bucket of yellow paint and four more buckets of blue paint are required.	Ratios and Rates
Math Example: Color Mixtures: Example 6	Math Example: Color Mixtures: Example 6 Topic Ratios Description This color swatch demonstrates a green hue created by mixing three parts yellow for every four parts blue. The example illustrates how to determine the amount of additional paint needed to match the swatch when given an initial quantity. In this case, with three buckets of blue and four of yellow available, five more buckets of blue and two more of yellow are required to achieve the correct 3:4 ratio.	Ratios and Rates
Math Example: Color Mixtures: Example 7	Math Example: Color Mixtures: Example 7 Topic Ratios Description This example showcases an orange color swatch created using a 3:2:1 ratio of red, yellow, and black paint. The problem presents three buckets of yellow, one bucket of red, and one bucket of black paint, asking students to determine how much additional paint is needed to match the swatch. The solution requires adding five more buckets of red and one each of yellow and black to achieve the correct proportions.	Ratios and Rates
Math Example: Color Mixtures: Example 8	Math Example: Color Mixtures: Example 8 Topic Ratios Description This example features an orange color swatch created using a 3:2:2 ratio of red, yellow, and black paint. The problem presents two buckets each of yellow and red paint, and three buckets of black paint. Students are asked to calculate the additional paint needed to match the swatch. The solution requires adding four more buckets of red, two of yellow, and one of black to achieve the correct proportions.	Ratios and Rates
Math Example: Color Mixtures: Example 9	Math Example: Color Mixtures: Example 9 Topic Ratios Description This example showcases a dark green color swatch created using a 2:3:3 ratio of yellow, blue, and black paint. The problem presents three buckets of yellow and two each of blue and black paint, challenging students to determine the additional paint needed to match the swatch. The solution requires adding four more buckets each of blue and black, and one more of yellow to achieve the correct proportions.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 1	Math Example: Percents with Double Number Lines: Example 1 Topic Ratios, Proportions, Percents Description This example demonstrates how to find 50% of 250 using a double number line. The solution shows two parallel number lines: one ranging from 0 to 100% and the other from 0 to 250. By aligning 50% on the percentage line with its corresponding value on the numerical line, we can see that 50% of 250 is 125. This method visually represents the concept that 50% is equivalent to one-half of a quantity.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 10	Math Example: Percents with Double Number Lines: Example 10 Topic Ratios, Proportions, Percents Description This example demonstrates how to determine an unknown value using a double number line when given a part and its corresponding percentage, involving a decimal percentage. The image shows two number lines: one ranging from 0 to 100% and another from 0 to an unknown number x. The position 70 is marked on the second line, visually illustrating the process of finding x when 70 is 12.5% of x.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 11	Math Example: Percents with Double Number Lines: Example 11 Topic Ratios, Proportions, Percents Description This example demonstrates how to determine what percent one number is of another using a double number line. The image shows two parallel number lines: one ranging from 0 to 100% and another from 0 to 75, with 25 marked as an intermediate point. This visual representation helps students understand the relationship between the part (25) and the whole (75) in percentage terms.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 12	Math Example: Percents with Double Number Lines: Example 12 Topic Ratios, Proportions, Percents Description This example illustrates how to calculate what percent one number is of another using a double number line. The image depicts two parallel number lines: one spanning from 0 to 100% and another from 0 to 220, with 55 marked as an intermediate point. This visual representation helps students understand the relationship between the part (55) and the whole (220) in percentage terms.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 13	Math Example: Percents with Double Number Lines: Example 13 Topic Ratios, Proportions, Percents Description This example demonstrates how to determine what percent one number is of another using a double number line. The image shows two parallel number lines: one ranging from 0 to 100% and another from 0 to 495, with 99 marked as an intermediate point. This visual representation helps students understand the relationship between the part (99) and the whole (495) in percentage terms.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 14	Math Example: Percents with Double Number Lines: Example 14 Topic Ratios, Proportions, Percents Description This example illustrates how to calculate what percent one number is of another using a double number line. The image depicts two parallel number lines: one spanning from 0 to 100% and another from 0 to 396, with 198 marked at the midpoint. This visual representation helps students understand the relationship between the part (198) and the whole (396) in percentage terms.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 15	Math Example: Percents with Double Number Lines: Example 15 Topic Ratios, Proportions, Percents Description This example demonstrates how to determine what percent one number is of another using a double number line, particularly when dealing with more complex ratios. The image shows two parallel number lines: one ranging from 0 to 100% and another from 0 to 856, with 107 marked at an eighth of the way. This visual representation helps students understand the relationship between the part (107) and the whole (856) in percentage terms.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 2	Math Example: Percents with Double Number Lines: Example 2 Topic Ratios, Proportions, Percents Description This example illustrates how to calculate 25% of 180 using a double number line. The solution presents two parallel number lines: one spanning from 0 to 100% and the other from 0 to 180. By aligning 25% on the percentage line with its corresponding value on the numerical line, we can determine that 25% of 180 is 45. This method visually demonstrates that 25% is equivalent to one-quarter of a quantity.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 3	Math Example: Percents with Double Number Lines: Example 3 Topic Ratios, Proportions, Percents Description This example demonstrates how to find 33 1/3% of 240 using a double number line. The solution displays two parallel number lines: one ranging from 0 to 100% and the other from 0 to 240. By aligning 33 1/3% on the percentage line with its corresponding value on the numerical line, we can see that 33 1/3% of 240 is 80. This method visually represents the concept that 33 1/3% is equivalent to one-third of a quantity.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 4	Math Example: Percents with Double Number Lines: Example 4 Topic Ratios, Proportions, Percents Description This example illustrates how to calculate 40% of 105 using a double number line. The solution presents two parallel number lines: one spanning from 0 to 100% and the other from 0 to 105. By aligning 40% on the percentage line with its corresponding value on the numerical line, we can determine that 40% of 105 is 42. This method visually demonstrates that 40% is equivalent to two-fifths of a quantity.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 5	Math Example: Percents with Double Number Lines: Example 5 Topic Ratios, Proportions, Percents Description This example demonstrates how to find 12.5% of 88 using a double number line. The solution shows two parallel number lines: one ranging from 0 to 100% and the other from 0 to 88. By aligning 12.5% on the percentage line with its corresponding value on the numerical line, we can see that 12.5% of 88 is 11. This method visually represents the concept that 12.5% is equivalent to one-eighth of a quantity.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 6	Math Example: Percents with Double Number Lines: Example 6 Topic Ratios, Proportions, Percents Description This example demonstrates how to solve for an unknown value using a double number line when given a percentage. The image features two parallel number lines: one ranging from 0 to 100% and another from 0 to an unknown value x. It visually illustrates the process of determining x when 75 is 50% of x.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 7	Math Example: Percents with Double Number Lines: Example 7 Topic Ratios, Proportions, Percents Description This example illustrates how to determine an unknown value using a double number line when given a part and its corresponding percentage. The image depicts two parallel number lines: one spanning from 0 to 100% and another from 0 to an unknown value x. It visually demonstrates the process of finding x when 120 is 25% of x.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 8	Math Example: Percents with Double Number Lines: Example 8 Topic Ratios, Proportions, Percents Description This example demonstrates how to find an unknown value using a double number line when given a part and its corresponding percentage, involving a fractional percentage. The image shows two parallel number lines: one ranging from 0 to 100% and another from 0 to an unknown value x. It visually illustrates the process of determining x when 125 is 33 1/3% of x.	Ratios and Rates
Math Example: Percents with Double Number Lines: Example 9	Math Example: Percents with Double Number Lines: Example 9 Topic Ratios, Proportions, Percents Description This example illustrates how to solve for an unknown value using a double number line when given a part and its corresponding percentage. The image shows two horizontal number lines: the top line ranges from 0 to 100%, and the bottom line ranges from 0 to an unknown number x. The 40% mark on the top line aligns with 220 on the bottom line, visually demonstrating the process of finding x when 220 is 40% of x.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 1	Math Example: Ratios with Double Number Lines: Example 1 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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 10	Math Example: Ratios with Double Number Lines: Example 10 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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 2	Math Example: Ratios with Double Number Lines: Example 2 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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 3	Math Example: Ratios with Double Number Lines: Example 3 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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 4	Math Example: Ratios with Double Number Lines: Example 4 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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 5	Math Example: Ratios with Double Number Lines: Example 5 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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 6	Math Example: Ratios with Double Number Lines: Example 6 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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 7	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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 8	Math Example: Ratios with Double Number Lines: Example 8 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.	Ratios and Rates
Math Example: Ratios with Double Number Lines: Example 9	Math Example: Ratios with Double Number Lines: Example 9 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.	Ratios and Rates
Math in the News: Issue 96--The California Drought	Math in the News: Issue 96--The California Drought July 2015. This edition of Math in the News focuses on the severe drought currently taking place in California, and how it has impacted the water resources available to the state. In this edition, students will see how to use percentages given to determine actual amounts, and to determine percents out of a whole. This is part of the Math in the News collection. To see the complete collection, click on this link. Note: The download is a PPT file. Related Resources To see resources related to this topic click on the Related Resources tab above.	Applications of Ratios, Proportions, and Percents and Proportions
Paper-and-Pencil Quiz: Solving Proportions for a, Quiz 01, Level 1	Paper-and-Pencil Quiz: Solving Proportions for a, Quiz 01, Level 1 This is part of a collection of math quizzes on the topic of solving one-step equations. Some quizzes are interactive and some are in PDF format. To see the complete quiz collection on this topic, click on this link. Note: The download is the PDF version of the quiz (with answer key). Related Resources To see additional resources on this topic, click on the Related Resources tab. Quiz Library To see the complete collection of Quizzes, click on this link. ary">click on this link.	Proportions

Illustrative Math Alignment: Grade 6 Unit 3

Unit Rates and Percentages

Lesson 3: Measuring with Different-Sized Units

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