Any number above zero is a positive number. Positive numbers are written with no sign or a ' ' sign in front of them and they are counted up from zero to the right on a number line.
Any number below zero is a negative number. Negative numbers are always written with a ' ' sign in front of them and they are counted down from zero to the left on a number line.
Always look at the sign in front of a number to see if it is positive or negative.
Zero, , is neither positive nor negative.
Which word, 'higher' or 'lower', would fit correctly in each of these gaps?
a) is ......... than
b) is ......... than
c) is ......... than
a) is lower than
b) is higher than
c) is lower than
Now test what you've learnt about negative numbers in the activity below.