Israel carried out two more air strikes against Hamas targets in Gaza on Saturday. Medics said two Palestinians were killed and 30 people were wounded.
Fighting flared-up on Monday when an Israeli man and two gunmen were killed in a raid launched from Egypt's Sinai desert.
Israel responded with air strikes on Gaza, killing 11 Palestinians.
A truce was brokered by Egypt on Wednesday.
The Israeli military said at least 15 rockets were fired at Israel on Saturday, nearly three times as many as the previous day. At least six others were intercepted by a missile defence system.
The military says more than 150 rockets have been fired into Israel in the past week.
Nobody in Gaza has claimed responsibility for firing rockets at Israel.