Friday, January 14, 2011

Hanin's percent review video

Percents Review

4.1 Representing percents

Percent: means out of a hundred (another name for hundredths) 65% means 65 out of a hundred
fractional Percent: a percent that includes a portion of a percent

4.2 Fractions, Decimals And percents

- fractions, decimals and percents can be used to represent numbers in various situations
- percents can be written as fractions and as decimals 1/2%= o.5

4.3 Percent of a Number

- you can use mental math strategies such as halving, doubling, and dividing by ten to find the percent of some numbers

- to calculate the percent of a number, write the percent as a decimal then multiply by the number 12 1/2= 12.5% = 0.125
12 1/2% of 50 = 0.125x5o= 6.25

4.4 Combining Percents

- pecents can be combined by adding to solve problems 5%+7%=12%

- to calculate the increase in a number
_ you can add the combined percent amount to the original percent
_ you can multiply the original number by a single percent greater than 100

- percents of percents can be used to determine amounts that result from consecutive increases or decreases

Here's my video


  1. Great post Hanin, Your percent post is very neat and easy to read.Nest time you should try to highlight the key componenets of the summaries.

  2. Great job Hanin. Your post and video was really well done and neat. It was also easy to understand. Next time add a little color to your post. Other than that. great job.