# Ch 52: 6th-8th Grade Math: Consumer Math

### About This Chapter

## 6th-8th Grade Math: Consumer Math - Chapter Summary

If you have a 6th, 7th or 8th grader who needs additional help with consumer math, the video lessons in this chapter offer an engaging way to improve his or her skills. The math instructors provide clear-cut explanations and guide students through practice problems so they can apply what they've learned. The lessons teach students how to calculate interest, tax charges, sales discounts, price mark ups, tips and more. Middle schoolers can test their understanding of these consumer math concepts by taking short multiple-choice lesson quizzes as well as a chapter exam. If they have additional questions about the material, students can submit them to instructors for guidance.

## Chapter Lessons and Objectives

Lesson | Objective |
---|---|

Making Change from a Purchase | Students learn how to use the fewest number of coins as possible to make change when buying an item. |

How to Calculate Sales Commissions | The instructor explains what sales commissions are and uses examples to show how to calculate them. |

How to Mark Up a Price | In this lesson, students learn why businesses mark up prices and how to calculate such mark ups. |

Taxes & Discounts: Calculations & Examples | Students are taught how to use percentages to calculate an item's sale price after a discount as well as the amount of charged tax. |

How to Solve Interest Problems: Steps & Examples | The instructor guides students step-by-step through the process of calculating interest. |

Compounding Interest Formulas: Calculations & Examples | Students practice using the compound interest formula to solve example problems. |

How to Calculate Shipping & Handling | The lesson defines shipping and handling and explains how to calculate them. |

How to Calculate a Tip | Students learn how to estimate and calculate tips as well as how to determine a total bill's cost including tip. |

Item Unit Price & Total Cost: Calculations & Examples | The instructor explains how to determine total cost when an item's unit price and quantity are known. |

### 1. Making Change from a Purchase

Watch this video lesson to learn the process of making change so you give your customers the least number of bills and coins as possible. See how you need to work your way from the largest bill or coin to the smallest.

### 2. How to Calculate Sales Commissions

In this lesson, we'll define sales commission. We'll also discuss three types of sales commission: percent of sales, stair step and fixed amount. You'll also learn when to utilize each type.

### 3. How to Mark Up a Price

Marking up prices to cover costs and earn a profit is a common business practice. This lesson explains the standard formula to mark up a price, and provides examples of markups.

### 4. Taxes & Discounts: Calculations & Examples

When you go shopping, you don't want to be surprised by the amount of tax on an item. You also want to fully understand discounts to know how much you can save. In this lesson, we'll practice calculating both tax and discounts.

### 5. How to Solve Interest Problems: Steps & Examples

If you want to know how your money can earn money, then it's essential to learn about solving interest problems. In this lesson, we'll practice calculating interest amounts and interest rates.

### 6. Compounding Interest Formulas: Calculations & Examples

Compound interest is a great way to have your money work for you. In this lesson, find out the formula for calculating compound interest and practice using the formula with several examples.

### 7. How to Calculate Shipping & Handling

Study the following lesson to learn how you can calculate your shipping and handling fee so you are not losing money when shipping your product to your customers. Afterwards test your new knowledge with a quiz.

### 8. How to Calculate a Tip

Tips are quantities of money that are often added onto to the original cost of a bill. Figuring out these items is as simple as setting up a ratio between the tip percentage and the bill amount. In this lesson learn how easy it is to calculate a tip.

### 9. Item Unit Price & Total Cost: Calculations & Examples

Two of the most important figures for a business are the unit price and the total cost. In this lesson, we learn how to calculate both as well as the relationship between the two figures.

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### Other Chapters

Other chapters within the 6th-8th Grade Math: Practice & Review course

- 6th-8th Grade Math: Basic Arithmetic Operations
- 6th-8th Grade Math: Divisibility
- 6th-8th Grade Math: Properties of Numbers
- 6th-8th Grade Math: Number Theory
- 6th-8th Grade Math: Factoring
- 6th-8th Grade Math: Estimating & Rounding
- 6th-8th Grade Math: Whole Numbers
- 6th-8th Grade Math: Simplifying Whole Number Expressions
- 6th-8th Grade Math: Negative Numbers
- 6th-8th Grade Math: Absolute Value
- 6th-8th Grade Math: Integers
- 6th-8th Grade Math: Rational Numbers
- 6th-8th Grade Math: Inequalities
- 6th-8th Grade Math: Introduction to Decimals
- 6th-8th Grade Math: Operations with Decimals
- 6th-8th Grade Math: Introduction to Fractions
- 6th-8th Grade Math: Operations with Fractions
- 6th-8th Grade Math: Percents
- 6th-8th Grade Math: Exponents & Exponential Expressions
- 6th-8th Grade Math: Roots & Radical Expressions
- 6th-8th Grade Algebra: Writing Algebraic Expressions
- 6th-8th Grade Algebra: Basic Algebraic Expressions
- 6th-8th Grade Algebra: Algebraic Distribution
- 6th-8th Grade Algebra: Writing & Solving One-Step Equations
- 6th-8th Grade Algebra: Writing & Solving Two-Step Equations
- 6th-8th Grade Algebra: Simplifying & Solving Rational Expressions
- 6th-8th Grade Math: The Coordinate Graph
- 6th-8th Grade Algebra: Linear Equations
- 6th-8th Grade Algebra: Systems of Linear Equations
- 6th-8th Grade Math: Properties of Functions
- 6th-8th Grade Math: Graphing Functions
- 6th-8th Grade Math: Solving Math Word Problems
- 6th-8th Grade Measurement: Perimeter & Area
- 6th-8th Grade Geometry: Introduction to Geometric Figures
- 6th-8th Grade Geometry: Angles
- 6th-8th Grade Measurement: Units of Measurement
- 6th-8th Grade Geometry: Triangles
- 6th-8th Grade Geometry: Quadrilaterals
- 6th-8th Grade Geometry: Circles
- 6th-8th Grade Geometry: Circular Arcs & Measurement
- 6th-8th Grade Geometry: Polyhedrons & Geometric Solids
- 6th-8th Grade Geometry: Symmetry, Similarity & Congruence
- 6th-8th Grade Geometry: Transformations
- 6th-8th Grade Geometry: Triangle Theorems & Proofs
- 6th-8th Grade Geometry: Similar Polygons
- 6th-8th Grade Geometry: The Pythagorean Theorem
- 6th-8th Grade Math: Data & Graphs
- 6th-8th Grade Math: Probability
- 6th-8th Grade Math: Statistics
- 6th-8th Grade Math: Rates, Ratios & Proportions
- 6th-8th Grade Math: Money
- 6th-8th Grade Math: Number Sequences
- 6th-8th Grade Math: Sets
- 6th-8th Grade Algebra: Monomials & Polynomials