Illustrative Math Alignment: Grade 7 Unit 4

Topic

Percents

Description

This video applies percents to measure slopes or grades, using ratios for rise over run. Examples include road inclines, ski slopes, and cycling paths. Applications showcase percents in engineering, sports, and transportation, emphasizing their practicality in measuring inclines accurately.

Topic

Percents

Description

The video demonstrates calculating tips and commissions using percentages. Examples include restaurant tips, real estate commissions, and catering costs. Applications focus on service industry calculations and earnings management.

Topic

Percents

Description

This video covers tax calculations for purchases, property, and VAT. Examples include grocery bills, iPad purchases, and real estate property taxes. Applications highlight the importance of understanding tax rates for budgeting and financial management.

Topic

Percents

Description

This video demonstrates solving for the whole when given a percent and a part. Examples include lemonade recipes, mixing paint, and counting UFOs. Techniques involve writing equations using decimals for percents and solving for the unknown total. Key vocabulary includes part, whole, and equation setup, with practical applications in recipes, art, and problem-solving.

Topic

Percents

Description

This video teaches estimation techniques for calculating percents without a calculator. Examples include estimating fish populations, race participants, and cyclists. Visual aids like rectangles partitioned into fractions assist with rounding percents for quick calculations. Applications focus on efficient mental math for real-world approximations.

Topic

Percents

Description

The video explores converting fractions to percents for simplified calculations. Examples include determining cargo contents, rose sales, and motorcycle proportions. Fraction-percent equivalence simplifies arithmetic and provides quick insights into ratios and totals. Applications include logistics, commerce, and urban planning.

Topic

Percents

Description

This video demonstrates how to handle multiple percentage changes applied sequentially, including discounts and price fluctuations. Examples include double-discounted items, stock price variations, and gasoline price changes. Applications emphasize consolidating multiple percents into single calculations for efficiency in financial and retail scenarios.

Topic

Percents

Description

This video covers calculating percent decreases in scenarios such as price reductions, vehicle depreciation, and cube dimension changes. Examples demonstrate the relationship between linear decreases and their exponential effects on surface area and volume. Applications include consumer goods, real estate, and geometry.

Topic

Percents

Description

The video explains how to calculate percent increases, focusing on changes in school enrollments, asset values, and cube dimensions. Examples highlight the non-linear effects of changes on surface area and volume. Applications include finance, education, and geometry, emphasizing understanding growth trends.

Topic

Percents

Description

The video discusses finding a percent difference when given a part that is not the focus of the percent. Scenarios include bus usage in schools, basketball free throws, and salmon spawning. It emphasizes adjusting percentages for complementary parts before solving equations. Applications highlight real-world uses in demographics, sports, and environmental studies.

Topic

Percents

Description

The video explains how to find the percent of a number by converting percents to fractions or decimals and performing multiplication. Examples include voter turnout in elections, body water composition, and ocean salt concentration. Key concepts include percent conversion and checking calculations using reverse operations. Applications include real-world scenarios such as population statistics and scientific measurements.

Topic

Percents

Description

The video explains the distinction between percent growth and multiple growth. Examples include doubling heights, stock price increases, and oil price changes. Applications emphasize clear understanding of percent versus multiplier concepts in finance and everyday math.

Topic

Percents

Description

The video explores percent-based probabilities in scenarios like dice rolls. Examples include calculating probabilities of specific outcomes and estimating occurrences over multiple trials. Applications include games of chance and statistical analysis.

Topic

Percents

Description

The video explains how to calculate simple interest using a formula involving principal, rate, and time. Examples include savings account growth, stock investments, and rare coin valuation. Applications include financial planning and historical item appraisal.

Topic

Percents

Description

This video focuses on calculating what percent one number is of another, using ratios and fractions. Examples include ratios in milk composition and inverses such as determining larger percents over 100. Applications show comparisons and understanding proportional relationships in varied contexts.

Topic

Percents

Description

Visual models such as grids and rectangles are used to represent percents and fractions for solving problems like transport usage, car distribution, and sales discounts. Examples include using grids to represent percentages of populations or products. Applications include educational tools and practical estimation.

Topic

Ratios

Description

Ratios are connected to percentages in this video. Examples include finding percentages of colored socks or non-green items in collections. It develops a formula for converting part-to-whole ratios into percentages.

Topic

Ratios

Description

The video covers practical applications of ratios for measuring slopes of roofs and ramps. Examples include comparing roof pitches, calculating base lengths of roofs, and determining ramp heights. Ratios provide clarity for gradual slopes.

Topic

Ratios

Description

This video illustrates converting ratios to percents using visual aids like area models and grids. Examples include determining percentages of colored eggs, fruit types, and combinations of colored lights.

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

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

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

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

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

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

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

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

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

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

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

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

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

This is a collection of clip art images that show visual models for percents.

This is a collection of clip art images that show visual models for percents.

This is a collection of clip art images that show visual models for percents.

This is a collection of clip art images that show visual models for percents.

This is a collection of clip art images that show visual models for percents.

This is a collection of clip art images that show visual models for percents.

This is a collection of clip art images that show visual models for percents.

This is a collection of clip art images that show visual models for percents.

This is a collection of clip art images that show visual models for percents.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates the concept of an introductory image that visually connects percents with proportions, showcasing a grid and a formula (a / b = c / d) next to a hurdler and a large percent sign. The golden ratio a / b = 1.618 is also present, symbolizing relationships, and expands on this idea by showing that serves as a thematic and conceptual introduction to percents by emphasizing proportional relationships and the idea of ratios.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates the concept of fractions with different denominators: 1/4, 2/5, 5/6, and 5/8, each depicted as shaded portions of circles. and expands on this idea by showing that highlights the challenge of comparing fractions with different denominators, setting up the need for a common framework such as percents.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates the concept of and expands on the previous image by comparing and ordering the fractions using inequality symbols: 1/4 < 2/5 < 5/8 < 5/6. This image expands on this idea by emphasizing the difficulty of comparing fractions and transitions to the rationale for using percents as a standard for comparison.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates the concept of converting the fractions 1/4, 2/5, 5/6, and 5/8 into percents (25%, 40%, 83.33%, 62.5%) with their corresponding pie diagrams. It expands on this idea by showing that introduces percents as an easier method for comparing fractions by representing them with a common denominator of 100.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates the concept of how fractions such as 3/4 and 3/5 convert to percents (75% and 60%) using shaded 10 x 10 grids. It expands on this idea by showing the concept of percents using a visual and tangible representation, reinforcing the idea of 100 as the base for comparison.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates the concept of connecting coins (1¢, 5¢, 10¢, 25¢) to their percent values of a dollar (1%, 5%, 10%, 25%). It expands on this idea by establishing a real-world application of percents, showing their utility in everyday contexts like money.

The topic of Ratios, Proportions, and Percents explores fundamental math concepts by using practical examples. This collection aids in visualizing the connection between different mathematical forms such as ratios, percents, and fractions, making abstract concepts more accessible to students.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates percentages as fractions with a denominator of 100, such as 10% = 10 / 100, 15% = 15 / 100, and so on. It expands on this idea by showing how percents relate to fractions, reinforcing their equivalency and further grounding the concept.

The topic of Ratios, Proportions, and Percents explores fundamental math concepts by using practical examples. This collection aids in visualizing the connection between different mathematical forms such as ratios, percents, and fractions, making abstract concepts more accessible to students.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates how to convert 1/4 to a percent using the proportion method: (1 / 4 = x / 100), solving for x = 25%. and expands on this idea by showing that provides a step-by-step method to convert fractions to percents, introducing proportional reasoning.

The topic of Ratios, Proportions, and Percents explores fundamental math concepts by using practical examples. This collection aids in visualizing the connection between different mathematical forms such as ratios, percents, and fractions, making abstract concepts more accessible to students.

Topic

Ratios, Proportions, and Percents

Description

The image illustrates the concept of converting a fraction to a percent using proportions, with 2/5 converting to 40%. and expands on this idea by showing that reinforces the proportion method with another example, building understanding through repetition.

The topic of Ratios, Proportions, and Percents explores fundamental math concepts by using practical examples. This collection aids in visualizing the connection between different mathematical forms such as ratios, percents, and fractions, making abstract concepts more accessible to students.