Essential Maths (42 files)

Scientific Notation (17 files)

Rationale
Very Large Numbers
Very Small numbers
Large Numbers Worked Examples
Small Numbers Worked Examples
Interactive Practice converting to scientific notation (1/3)
Interactive Practice converting to scientific notation (2/3)
Interactive Practice converting to scientific notation (3/3)
Add & Subtract
Multiply extreme numbers
Divide extreme numbers
Multiply extreme numbers Worked Example
Divide extreme numbers Worked Example
Prefixes
Prefixes - Worked Example (1/3)
Prefixes - Worked Example (2/3)
Prefixes - Worked Example (3/3)

Amount & Concentration (11 files)

Rationale
Distinguishing between amount and concentration, g and %w/v
Distinguishing between amount and concentration, moles and molar
Converting g/L to M & vice versa Worked Example (1/3)
Converting g/L to M & vice versa Worked Example (2/3)
Converting g/L to M & vice versa Worked Example (3/3)
Diluting Solutions (1/2)
Diluting Solutions (2/2)
Calculating dilutions Worked Example Method I (1/3)
Calculating dilutions Worked Example, Method II (2/3)
Dilutions Interactive example (3/3)

Logarithms (14 files)

Rationale - why logs?
Introducing logarithms
Introducing logarithms continued
Using logs - the pH scale
Multiplying with logs
Dividing with logs
The log of a power of a power
Using logs - the Henderson-Hasselbalch Equation
Using logs - will a drug cross from the stomach to the bloodstream?
Logs to base 2 - plotting logs with different bases
Changing Base
Graphing exponential growth and decay
What is e? Why natural logs?
Using natural logs - calculating half life and using log graph paper