Online animation provides and introduction to integers and numbers less than zero. *4*Math lesson also provides limited sample questions at the end of the topic.*4**4**1*INTRODUCTION TO INTEGERS*2*Explains 0 is the middle of the number line.*4*Explains numbers which are less than 0 are called negative numbers and we place a - sign in front of them.*4*Explains numbers which are greater than 0 are called positive numbers but we do not place a + sign in front of them.*4*Explains the further left you go on the number line the smaller the number.*4**4**4*Useful for teachers of maths.