human
Solve comparison, sum and difference problems using information presented in pictograms This pictogram shows the different types of music Bob has in his music collection.

How many more Pop CDs does Bob have than Rock CDs? ![A pictogram showing the number of CDs Bob has in his musical collection. Pop has 3 and a half symbols, rock has 2 symbols, blues has 2 and a quarter symbols, jazz has 3 and a quarter symbols and classical has 1 and three-quarter symbols. Each symbol represents 4 CDs.]() \( 4.5 \)
gpt
When counting partial symbols on pictogram, uses the fraction rather than the amount it represents