Answer:
There are many problems.
Change the spelling of 'than' to 'then.'
Add a period after 'Mr.'
Add a semi-colon after the word 'fractions.'
Capitalize the word 'Algebra.'
Add a period after the word 'Algebra.'
This is what you want:
Mr. Gomez made sure we understood fractions; we then began Algebra.
Explanation:
