Bro and Sis Math Club: Common Core Math tutorials

Showing posts with label Common Core Math tutorials. Show all posts

Wednesday, March 4, 2015

How to convert Percent to Fraction - 7th Grade Math

In this video, you will learn how to convert a percent into a fraction. A percent is a number out of 100. To change a percent into a fraction, write the number with a denominator of 100. Then simplify and you have your fraction.

Convert Percent to Fraction in Math

Converting Decimals into Fractions - 7th Grade Math

In this video, you will learn how to convert decimals into fractions. In order to convert a decimal into a fraction simply replace the decimal point with a 1 and add zeroes depending upon the number of digits in the decimal. This will be your denominator. The numerator will simply be the number.

How to Convert Decimals to Fractions 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

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

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.