# Monthly Archives: July 2012

## Finding Percentage Amounts Using Decimals

Image Source: http://www.concordextra.co The above 45 gram Chocolate Bar contains 25% Sugar. How many Grams of Sugar are in this “Kit Kat” bar ? Using Percentages, we know that Percent means /100, and so we can set up: Grams of … Continue reading

## Percentage of Amount Using Fractions

Image Source: http://cdn.sheknows.com Letâ€™s say we are making a Car Loan repayment, and we want to find the value of 10% of \$200. We are interested in doing this because our weekly Car Loan Payment is \$200 plus 10% Interest. … Continue reading

## Complementary Percentages

Image Source: http://wordpress.com In Australia there are between 50 and 100 venomous species of Spider, but only two of these are life threatening to humans: the red-back and the Sydney funnelweb spider. Based on this we could say that 3% … Continue reading

## Olympic Games Mathematics

Image Source: http://resources0.news.com.au In this lesson we look at some Mathematics related to the Olympic Games. Marathon Distance Compared to Middle Distance How long is the 800m middle distance running race in the Olympics, compared to the Marathon Race ? … Continue reading

## Calculating Percentages

Image Source: http://1.bp.blogspot.com In this lesson we are Calculating One Amount of Another, as a Percentage. In the above picture, we have a number of student leaders dressed in their House Colours. What percentage of the students are in Green … Continue reading