To help you remember which sign to use, imagine the numbers ... So < pointing to the start of the number line means less than. Let's compare two numbers to find which is greater.

11 is less than 15. 11 comes before 15 on the number line, so the correct symbol to use is the ‘less than’ symbol. Charlie has 9 strawberries and Fatima has 13 strawberries. Let’s mark them ...