Year 10 Interactive Maths - Second Edition

Operations with Surds

Like and Unlike Surds

Like surds have the same radicand, whereas unlike surds have different radicands.

Addition and Subtraction of Surds

Only like surds can be added or subtracted.

Example 9

Solution:

Note:

Always simplify surds before adding or subtracting them.

Example 10

Solution:

Key Terms

like surds, unlike surds