(1) −5, −1
The number on the left is smaller than the number on the right on the number line.
We know that −5 lies on the left of −1 on the number line.
∴ −5 < −1
(2)
All the negative numbers lie on the left of 0 on the number line.
∴ is on the left of 0.
And we know that a number on the left is smaller than a number on the right on the number line.
(3)
All the positive numbers lie on the right of 0 on the number line.
∴ 0 is on the left of .
And we know that a number on the left is smaller than a number on the right on the number line.
(4)
All the positive numbers lie on the right of all the negative numbers on the number line.
∴ is on the left of .
And we know that a number on the left is smaller than a number on the right on the number line.
(5)
If two numbers have the same denominator, then the one with the bigger numerator is the bigger number.
We know that −7 > −11 .
(6)
If two numbers have the same denominator, then the one with the bigger numerator is the bigger number.
We know that 25 < 28 .
(7)
If two numbers have the same denominator, then the one with the bigger numerator is the bigger number.
We know that −28 < 25 .
(8)
If two numbers have the same denominator, then the one with the bigger numerator is the bigger number.
We know that −7 < −5 .