Unit 1: Real Numbers

 CONCEPTS:

• Scientific notation:
• Problems on scientific notation
• Arithmetic with numbers in scientific notation.
• Scientific notation woksheet (theory and problems)
• Scientific notation worksheet (DOC) with solutions.

• Video: Converting to scientific notation.

• Video: Adding and subtacting in scientific notation.
• Video:  Multiplying and Dividing in scientific notation
• Surds:
•  Theory about surds. 
•  Worked examples.
• Square roots and operations with radicals (theory and worksheet)
• Operations with radicals (worksheet)
•  Surds: Diagnostic test and exercises. 
• Rationalising surds (with solutions) 
• Surds Worksheet: Practice questions and answers.(*)

(*) With the worksheet above, I suggest you print the "Practice questions", complete them "offline" on paper and return to the "answers" page to check your answers. If you are still having trouble with any question, ask you teacher about it.

• Logarithms.
• Logarithms Worksheets
• Free worksheets with answer keys. 
• Properties of logarithms: Worksheet with answers.

• Video: What is a logarithm.

• Test: Rationalising