Chapter 4 Understanding Percent

4.1 Representing Percent

-Percent means out of 100

-Another name for hundred

-65 means out of 100 or 65/100 or 0.65

4.2 Fraction, Decimal, Percents

-Fraction, decimals, and percents can be used to represent numbers in various situations

-Percents can be written as fractions and as decimals

Ex. 1/2 = 50% or 0.50

4.3 Percent of a Number

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

-To calculate the percents of a number, write the percents as a decimal then multiply by the number

Ex. 12 1/2 of 50 = o.125 x 50

= 6.25%

4.4 Combining Percents

-Percents 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 numbers.

12% of 100= 0.12 x 100= 12

my percent post

Good job Angelo! Next time add some color to your post and do your work on time.

ReplyDeleteGreat post Angelo, It's nice you have the key ideas for the percent chapters. Next time you should change the font or color of the title and add your video.

ReplyDeleteGreat job Angelo. your post looks very neat and organized. Next time add some color to your post. Other than that, great job.

ReplyDeleteCool, Angelo! You had EVERYTHING, and that's a good thing! Maybe next time you could have added more colour, though? it's very neat, and organized, and it looks good and uniform. Good Job!

ReplyDelete