Surds are square roots which can’t be reduced to rational numbers. Some can be simplified using various rules or by rationalising the denominator. Revise working with surds with this National 5 Maths ...

Following proofs, I have just finished the Laws of Indices and Surds. They were much easier to understand than the proofs. I could understand them and answer the questions faster than I expected. When ...

I began to study maths from the beginning again. At first, I studied the laws of indices and surds. The units were easier to understand than the first time. I also tried, and solved faster, the same ...