Marking & Interpreting Scales for decimals, fractions and mass (weight) is commonly tested in 11+ and Selective School exams in the UK.
Example Question 1:
What number is the arrow pointing to?
Explanation: There are five sub-divisions between each whole number which means that each small line must be worth 0.2 of a whole number.
Example Question 2:
What measurement is the arrow pointing to on this measuring cylinder?
Explanation: Each 10ml mark is divided into 5 equal sections of 2ml.