Comparison

Relationship established between two numbers, two sets, two terms or two expressions.

To compare mathematical objects based on an order relation, we usually use the symbols <, >, =, ≤ and ≥.

The symbol < is read as "is less than" Example : 5 < 10.
The symbol > is read as "is greater than" Example : 10 > 5.
The symbol = is read as "is equal to" Example : 5 = 3 + 2.
The symbol ≤ is read as "is less than or equal to" Examples : 5 ≤ 10, x + 7 ≤ 10.
The symbol ≥ is read as "is greater than or equal to" Examples : 10 ≥ 5, x + 7 ≥ 10.

Here is a list of 3 numbers: 45, 46, 47. We can say that the greatest number is 47 and the least number is 45.
Here are four sets of sheep: A (34 sheep), B (45 sheep), C (67 sheep) and D (45 sheep). The set that has the most sheep is set C. The set that has the fewest sheep is set A. There are as many sheep in set B as there are in set D.
When we have 2 or more line segments, we can determine which is longest and which is shortest.

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