INSTRUCTOR PLT IN A DIAMOND KATANA; DA20 (SEL SMA) ON A TRAINING FLT FAILED TO RPT ON A 2 MI FINAL; OR OBTAIN LNDG CLRNC. THE TWR CTLR GAVE LNDG CLRNC UPON LNDG TOUCHDOWN.

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MY STUDENT AND I WERE RETURNING FROM THE SW PRACTICE AREA AT 3500 FT MSL TO AVOID GOODYEAR'S AIRSPACE BELOW US AND PHX CLASS B ABOVE US. WE RECEIVED THE GEU ATIS BEFORE ARRIVING ABOVE GOODYEAR'S AIRSPACE. ONCE OVER I10 FREEWAY; WE CALLED GEU TWR; (THE CURRENT ATIS AT THAT TIME WAS: WINDS CALM; LNDG RWY 1) WHEREUPON TWR TOLD US THAT A NEW ATIS WAS CURRENT AND GAVE US THE CURRENT ALTIMETER SETTING. TWR TOLD US TO RPT '2 MI OUT.' WE CONTINUED OUR STRAIGHT-IN APCH TO RWY 1. BEING MY SECOND TIME IN THAT AIRPLANE; ATTEMPTING A STRAIGHT-IN APCH FROM THAT ALT; MYSELF AND MY STUDENT WERE TOO ENGROSSED IN FINDING THE PROPER DSCNT RATE AND CONFIGN TO MAKE A SMOOTH TRANSITION DOWN THE PAPI TO A LNDG. MY STUDENT WAS MAKING THE RADIO CALLS. IN MY FAILURE TO MONITOR ADEQUATELY OUR RADIO CALLS; WE BOTH FAILED TO RPT '2 MI OUT.' WE CONTINUED OUR APCH DOWN TO A LNDG. IMMEDIATELY AFTER OUR MAINS TOUCHED DOWN; TWR CAME OVER THE RADIO AND SARCASTICALLY CLRED US TO LAND. A TERRIBLE FEELING CAME OVER ME AND MY STUDENT AS WE REALIZED WHAT HAD JUST HAPPENED. I ATTRIBUTE MY STUPIDITY AND FLT INSTRUCTOR NEGLIGENCE TO THE OCCURRENCE; ALONG WITH AIRSPACE RESTRS AND LEARNING TO FLY A NEW AIRPLANE. COMS ON THE TWR FREQ WERE; AT THAT TIME; MINIMAL. THERE WAS OUR INITIAL CALL TO TWR; AND BRIEFLY THEREAFTER; ANOTHER ACFT INBOUND FROM ARROWHEAD; AND NOTHING ELSE UNTIL AFTER WE TOUCHED DOWN. IF THERE HAD BEEN OTHER COMS; IT MAY HAVE SPARKED MY MEMORY TO RPT OUR '2 MI OUT;' AND EVEN TO RECEIVE CLRNC TO LAND. ANOTHER FACTOR MAY HAVE BEEN MY INITIAL TRAINING AT A CLASS G ARPT WHERE CLRNC FROM TWR IS NOT REQUIRED TO LAND. I'M FAIRLY NEW AT THIS ARPT AND AREA.