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Illustrative Math-Media4Math Alignment

 

 

Illustrative Math Alignment: Grade 7 Unit 7

Expressions, Equations, and Inequalities

Lesson 12: Solving Problems about Percent Increase or Decrease

Use the following Media4Math resources with this Illustrative Math lesson.

Thumbnail Image Title Body Curriculum Topic
PercentsAndDoubleNumberLines--Example--06.png 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
PercentsAndDoubleNumberLines--Example--07.png 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
PercentsAndDoubleNumberLines--Example--08.png 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
PercentsAndDoubleNumberLines--Example--09.png 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: Solving Two-Step Equations of the Form ax + b = c--Example 1 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 1 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 1

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 10 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 10 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 10

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 2 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 2 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 2

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 3 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 3 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 3

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 4 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 4 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 4

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 5 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 5 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 5

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 6 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 6 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 6

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 7 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 7 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 7

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 8 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 8 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 8

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 9 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 9 Math Example: Solving Two-Step Equations of the Form ax + b = c--Example 9

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 1 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 1 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 1

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 10 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 10 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 10

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 2 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 2 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 2

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 3 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 3 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 3

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 4 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 4 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 4

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 5 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 5 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 5

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 6 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 6 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 6

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 7 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 7 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 7

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 8 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 8 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 8

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 9 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 9 Math Example: Solving Two-Step Equations of the Form ax - b = c--Example 9

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 1 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 1 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 1

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 10 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 10 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 10

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 2 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 2 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 2

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 3 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 3 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 3

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 4 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 4 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 4

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 5 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 5 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 5

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 6 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 6 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 6

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 7 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 7 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 7

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 8 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 8 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 8

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 9 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 9 Math Example: Solving Two-Step Equations of the Form x/a + b = c--Example 9

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 1 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 1 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 1

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 10 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 10 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 10

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 2 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 2 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 2

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 3 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 3 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 3

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 4 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 4 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 4

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 5 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 5 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 5

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 6 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 6 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 6

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 7 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 7 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 7

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 8 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 8 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 8

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 9 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 9 Math Example: Solving Two-Step Equations of the Form x/a - b = c--Example 9

This is part of a collection of math examples that show how to solve two-step equations that involve combinations of addition, subtraction, multiplication, and division.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations with Algebra Tiles--Example 1 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 1 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 1

Topic

Solving Equations

Description

This example effectively demonstrates solving a two-step equation using algebra tiles, where the visual model helps students understand how to manipulate the equation. The image depicts solving 2x + 2 = 4 using algebra tiles, showing steps including modeling, creating zero pairs, and dividing to find x. In this example, the caption emphasizes the importance of using model tiles to visualize the equation.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations with Algebra Tiles--Example 10 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 10 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 10

Topic

Solving Equations

Description

This example effectively demonstrates solving a two-step equation using algebra tiles, where the visual model helps students understand how to manipulate the equation. The image illustrates solving the equation -2x - 1 = 5 with algebra tiles. It shows steps: modeling both sides, turning subtraction into addition of a negative, creating zero pairs, and replacing with opposite tiles to solve for x = -3. This process combines multiple concepts seen in previous examples.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations with Algebra Tiles--Example 2 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 2 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 2

Topic

Solving Equations

Description

This example effectively demonstrates solving a two-step equation using algebra tiles, where the visual model helps students understand how to manipulate the equation. The image illustrates the equation 2x + 1 = 5 with algebra tiles. It shows how to solve for x by modeling, adding opposite tiles, and dividing the remaining tiles. In this example, the caption emphasizes the importance of using model tiles to visualize the equation.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations with Algebra Tiles--Example 3 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 3 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 3

Topic

Solving Equations

Description

This example effectively demonstrates solving a two-step equation using algebra tiles, where the visual model helps students understand how to manipulate the equation. The image shows a visual representation of the equation 3x + 1 = 4 using algebra tiles. It demonstrates the steps to solve for x by modeling, creating zero pairs, and dividing. In this example, the caption emphasizes the importance of using model tiles to visualize the equation.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations with Algebra Tiles--Example 4 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 4 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 4

Topic

Solving Equations

Description

This example effectively demonstrates solving a two-step equation using algebra tiles, where the visual model helps students understand how to manipulate the equation. This image represents solving 2x - 2 = 4 with algebra tiles, converting subtraction into addition of negatives, and solving for x through zero pairs and division. In this example, the caption emphasizes the importance of using model tiles to visualize the equation.

Solving Two-Step Equations
Math Example: Solving Two-Step Equations with Algebra Tiles--Example 5 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 5 Math Example: Solving Two-Step Equations with Algebra Tiles--Example 5

Topic

Solving Equations

Description

This example effectively demonstrates solving a two-step equation using algebra tiles, where the visual model helps students understand how to manipulate the equation. The image shows algebra tiles used to solve the equation 2x - 2 = -4. The tiles are manipulated to find the solution x = -1. In this example, the caption emphasizes the importance of using model tiles to visualize the equation.

Solving Two-Step Equations