Setze die Zahlenreihe fort: 2,4,6,8,10, 5,10,15,20,

Setze die Zahlenreihe fort:
2,4,6,8,10,__________________________________________________20
5,10,15,20,__________________________________________________40
31,33,35,37,_________________________________________________51
20,30,40,50,________________________________________________100
3,6,9,12,15,__________________________________________________30
100,200,300,________________________________________________900
220,230,240,________________________________________________300
110,220,330,________________________________________________990
400,450,500,_______________________________________________1000
100,125,150,175,_____________________________________________300
Suche die falschen Zahlen uns streiche sie durch:
(Die Anzahl der falschen Zahlen steht im Kreis)
10,30,50,70,90,110,130,140,150,170,190,200,230,250,270,280,290,
3
5,10,15,21,25,30,33,40,44,50,55,61,65,70,75,79,85,90,95,100
5
250,300,350,390,450,490,550,600,650,700,760,810,850,900,950,1000
4
Kabon-Fritz Ulrike,2010