Question
There are 80 children in a school.
20 of them are boys.
How many more girls than boys are there?
  1. Number of girls = _____
  2. Number of girls more than boys = _____
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

There are 80 children in a school.
20 of them are boys.
How many more girls than boys are there?
  1. Number of girls = _____
  2. Number of girls more than boys = _____