A ministry statement said 63,000 others have been injured in the offensive during the same period.
"Many people are still trapped under rubble as rescuers are unable to reach them," it added.
According to the UN, around 85% of Gazans have been displaced by the Israeli onslaught, while all of them are food insecure.
Hundreds of thousands of people are living without shelter, and less than half of aid trucks are entering the territory than before the start of the conflict.