Cells and organisms
All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular).
All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular).
Plant cells have a cell wall in addition to a cell membrane, whereas animal cells have only a cell membrane. Plants use cell walls to provide structure to the plant. Plant cells contain organelles called chloroplasts, while animal cells do not. Chloroplasts allow plants to make the food they need to live using photosynthesis.
These videos look at how to compare decimals.
This online activity provides you with exercises on converting fractions to decimals.
This course will explain what decimals are, how fractions can be expressed as decimals and how to convert fractions to decimals.
This YouTube video introduces you to the basics of decimals.
Video 1: Explores the conversion of fractions to decimals: tenths, hundredths and thousandths
Video 2: Two examples of converting fractions to decimals
This video explores how decimals are represented on the number line.
In this lesson you will learn about:
This video explores how to convert fractions to a decimal with tenths, hundredths and thousandths.