Assuming you were sending a value from Cell A1 on Sheet 1 to Cell A1 on Sheet2, here are a few:

Sheets("Sheet2").Range("A1").Value = Sheets("Sheet1").Range("A1").Value
or (this one transfers formulas as well)
Sheets("Sheet1").Range("A1").Copy Destination:=Sheets("Sheet2").Range("A1")
or
Sheets("Sheet1").Range("A1").Copy
Sheets("Sheet2").Range("A1").PasteSpecial