Solve Proportion by Cross Production Method

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## Friday, February 20, 2015

### 7th Grade Math - Solve Proportion by Cross Production Method

In this video, you will learn how to solve proportions using the cross production method. Cross products is when you multiply diagonally and the products you get must be the exact same for it to be a proportion. Proportion is an equation that says two ratios are equivalent.

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### 7th Grade Math - Solve Proportions by using Equivalent Fractions

In this video, you will learn how to solve proportions by using equivalent fractions. Equivalent fractions are fractions that are equal to each other. Proportion is an equation that says two ratios are equivalent.

Solve Proportions by using Equivalent Fraction Method

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### 7th Grade Math - Word Problem for Proportions

In this video you will learn how to solve a proportion through word problems. You will be able to learn how to setup a proportion and also solve for a missing value, or a variable. Proportions are equations that say two ratios are equivalent.

Solve Proportion Word Problem

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### 7th Grade Math - What are Proportions

In this video you will learn about proportions. Proportion is a equation that says two ratios or fractions are equivalent. This video will talk about setting up a proportion and also how to find a missing value through setting up proportions.

What are Proportions in Math

## Wednesday, February 18, 2015

### 7th Grade Math - Unit Rate Word Problem

In this video you will learn the difference between Rate and Unit Rate. You will learn how to solve word problems dealing with unit rate. In the problem you will also find unit rate. This video is a complete walk through of unit rate so it is good for people who don't know it and want to learn it.

Rate and Unit Rate

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### 7th Grade Math - Rate and Unit Rate

In this video you will learn about rates and unit rates. Rates are ratios that have two quantities and are measured in different units. Unit rates must have a denominator of one and are simply per 'unit'.

Rate and Unit Rate

### 7th Grade Math - Word Problem for Equivalent Ratios

In this video you will learn about equivalent ratios through word problems. Equivalent ratios are just ratios that are equal to one another. Ratios are just a comparison between two numbers.

Equivalent Ratios Word Problem

### 7th Grade Math - Compare Ratios by using Word Problem

In this video you will learn how to compare ratios using word problems. A ratio is a comparison between two numbers. When comparing two ratios you are simply trying to find out whether the are equal to one another.

Compare Ratios in Word Problem

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### 7th Grade Math - Simplifying Ratios

In this video, you will learn how to simplify ratios. A ratio is a comparison between two numbers. To simplify a ratio, you can put it in the fractional form of a ratio, then divide both the numerator and the denominator by the highest common factor of both the numerator and the denominator and you will have your simplified ratio.

Simplify Ratios

### 7th Grade Math - What are Equivalent Ratios and How to Prove If Ratios are Equivalent

In this video, you will learn about equivalent ratios and how to prove if the ratios are equivalent. Ratios are a comparison between two numbers. Equivalent means that they are equal to one another. To check whether they are equivalent, you can use cross products.

Equivalent Ratios

### 7th Grade Math - What are Ratios and How to Write Ratios

In this video, you will learn how to write a ratio and also what a ratio is. A ratio is just a comparison between numbers. There are three different ways to write ratios and this video will go through writing each.

Introduction To Ratios and How to Write Ratios

### 7th Grade Math - Convert Rational Numbers into Decimals

In this video you will learn how to change rational numbers into decimals. Rational numbers are numbers that can be made into simple fractions. in order to change a rational number into a decimal, first turn into a fraction, then divide numerator by denominator to get the decimal equivalent.

Convert Rational Number into Decimals

### 7th Grade Math - Solving Operations on Rational Numbers

In this video, you will learn how to solve operations on rational numbers. Remember that rational numbers are numbers that can be made into simple fractions. The four basic operations in math are add, subtract, multiply, and divide.

Solving Operations on Rational Numbers

### Change Subtraction into Addition for Rational Number Problem - 7th Grade Math

In this video, you will learn how to change subtraction into addition. When you have an expression with a negative sign inside and outside of the parenthesis, you can use the distributive property to change the negative into a positive. In other words, change subtraction into addition.

Convert Subtraction into Addition for an Expression

### 7th Grade Math - Divide Rational Numbers

In this 7th Grade Math Video Tutorial you will learn " How to Divide Rational Numbers" in Math.

Rational Number Division

## Monday, February 9, 2015

### 7th Grade Math - Addition of Two Numbers with Opposite Signs

In this video math tutorial you will learn "How to add two numbers with opposite Signs" in Math.

Adding integers with opposite signs

### What is Absolute Value - 7th Grade Math

In this video math tutorial you will learn "What is Absolute Value and How to find Absolute value of a Number" in Math.

Find Absolute Value of a Number

### 7th Grade Math - Comparing Rational Numbers

In this video math tutorial you will learn "How to Compare Rational Numbers" in Math.

Comparing Rational Numbers

### Ordering Rational Numbers - 7th Grade Math

In this video math tutorial you will learn " How to Order Rational Numbers" in Math.

How to Order Rational Numbers

### 7th Grade Math - Add or Subtract Rational Numbers

In this video math tutorial you will learn "How to Add or Subtract Rational Numbers" in Math.

Adding and Subtracting Rational Numbers

### 7th Grade Math - Multiply Rational Numbers

In this video math tutorial you will learn "How to Multiply Rational Numbers" in Math.

Multiplying Rational Numbers

## Monday, February 2, 2015

### 7th Grade Math - Word Problems for Inequalities

In this video math tutorial you will learn "How to solve Word Problems for Inequalities" in Math.

*Word Problems for Inequalities*

### 7th Grade Math - Writing Inequalities with one Variable

In this video math tutorial you will learn "How to write Inequalities with one Variable" in Math.

*Solving Inequalities in One Variable*

### 7th Grade Math - Graphing Inequalities

In this video math tutorial you will learn "How To Graph Inequalities" in Math.

*Graphing Inequalities in Math*

### 7th Grade Math- Solving Inequalities involving Addition and Subtraction

In this video math tutorial you will learn "How to solve Inequalities with Addition and Subtraction" in Math.

*Solving Inequalities in Math*

### 7th Grade Math - Solving Inequalities with Multiplication and Division

In this video math tutorial you will learn "How to solve Inequalities with Multiplication and Division" in Math.

*Solving Inequalities in Math*

### 7th Grade Math - Translating mathematical statements into Algebraic Expression

In this video math tutorial you will learn "How to Translate Mathematical statement into Algebraic Expression" in Math.

*Convert Mathematical Statement to Algebraic Expression*

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