PLS-00103: Encountered the symbol when expecting one of the following:

It seems ok but am getting exception please correct me.

declare
    var_number number;

begin
    var_number := 10;

    if var_number > 100 then
        dbms_output.put_line(var_number||' is greater than 100');
    elseif var_number < 100 then
        dbms_output.put_line(var_number||' is less than 100');
    else
        dbms_output.put_line(var_number||' is equal to 100');
    end if;

end;

Exception :

ORA-06550: line 8, column 8:
PLS-00103: Encountered the symbol "VAR_NUMBER" when expecting one of the following:
    := . ( @ % ;
ORA-06550: line 13, column 4:
PLS-00103: Encountered the symbol ";" when expecting one of the following:
    if