AGGIUNGI LA QUANTITA'                    

PER FORMARE MILLE                                                                          

600+400=1000                                              1500-500=2000

740+260=1000                                                1040-40=1000

200+800=1000                                                1280-280=1000

999+1=1000                                                    1061-61=1000

820+180=1000                                                  1324-324=1000

360+640=1000                                                 1800-800=1000

800+200=1000                                                  1501-501=1000

150+850=1000                                                  1200-200=1000

AI SEGUENTI NUMERI,AGGIUNGI LA QUANTITA' PER FORMARE IL CENTINAIO SUPERIORE.

860+40=900

740+60=800

180+20=200

275+25=300

694+6=700

572+28=600

410+90=500

AI SEGUENTI NUMERI AGGIUNGI LA QUANTITA' GIUSTA PER FORMARE IL MIGLIAIO SUPERIORE.

1500+500=2000

2700+300=3000

4800+200=5000

1920+80=2000

1560+440=2000

3730+270=4000

4500+500=5000