Any problems with percentages?

Try to solve these exercises identifying the type of situation previously.

If you need some help go here

You can check your answers here Answer Worksheet

Exponent rules song

I know you like to sing, enjoy this song and by singing you will be able to remember the exponent rules.

WebQuest

Today you have a new challenge. You will check your knowledge about positive and negative exponents and you'll see how mathematics are related to science. This is a WebQuest about Scientific Notation


Answer by Hector Adrover

Powers with negative exponent

We know the meaning of a power when the exponent is a counting number, now we are going to study what the meaning is if the exponent is a negative number.The base can be any rational number. Go to this page

Number Rhumba by Peter Weatherall

Enjoy the song, guys!

Revising operations with fractions

Using Descartes

Fractions and percentages

Apply your knowledge about fractions and percentages in order to solve this problem. Organize the data and let's go!