# Tag Archives: Algebra

## Factorising With Common Factors

The answer to this question is quite simple: Image Copyright 2013 by Passy’s World of Mathematics Looking at the two photos, it is quite easy for a human to work out which person is in both pictures. But imagine the … Continue reading

## Expanding Two Brackets Binomials

Image Source: http://www.strangezoo.com Here at Passy’s World we use the “Crab Claws” method to Expand expressions which consist of two brackets. It takes all the pain out of expanding these items, although messing with a real crab’s claws could cause … Continue reading

## Transposing and Rearranging Formulas

Image Source: http://www.juicing-for-health.com In a previous lesson we showed how to Solve Equations using the work down through the “Onion Skins” Method. Knowledge of that lesson is needed as a background, before doing our lesson on Rearranging Formulas. Click here … Continue reading

## Scientific Notation

Image Source: http://wallpaperswa.com “Scientific Notation”, (also referred to as “Standard Form”), is used by Scientists to represent very large numbers, like the Distance between stars and planets, in a much simpler form. It is also used by Geographers and Economists … Continue reading

## Zero and Negative Exponents

Image Copyright 2013 by Passy’s World of Mathematics In the above screenshot, we are using Adobe Photoshop to shrink down a large digital camera photo to one quarter of its original size. We need to do this so that the … Continue reading