Analogierechnen im ZR 20 ohne Zehnerüberschreitung 1
7+1 = 8-4 = 2+6 = 17+1 = 18-4 = 12+6 =
5+3 = 6-5 = 1+4 = 15+3 = 16-5 = 11+4 =
9+1 = 9-4 = 3+4 = 19+1 = 19-4 = 13+4 =
Analogierechnen im ZR 20 ohne Zehnerüberschreitung 2
7+2 = 10-2 = 6+2 = 17+2= 20-2 = 16+2 =
1+2 = 2-2 = 8+2 = 11+2 = 12-2 = 18+2 =
3+3 = 7-2 = 2+4 = 13+3 = 17-2 = 12+4 =
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Inge Merkatz 2005 Analogie im ZR 20