PART 3: Fractions, percentages and more

Part 3: the everyday calculations. Fractions, percentages, degrees, minutes and seconds, engineering notation, remainders, recurring decimals and prime factors.

▶ Watch this step in the video (12:14)

Adding fractions
A mixed number
Changing a fraction answer
Percent 1: a percentage of a number
Percent 2: what percentage?
Percent 3: find the whole
Add a percentage: tax
Subtract a percentage: discount
Adding angles or times
To a decimal and back
Two calculations on one line
ENG: the decimal point moves right
SHIFT ENG: the decimal point moves left
Division with a remainder
Typing a recurring decimal
One seventh in three forms
Breaking a number into prime factors