As before word problems are prepared dealing with the seven different cases. These 7 cards are mixed with the 7 addition cards. When the child has done all of these, he may invent his own which will indicate his understanding of these special cases.
1. Rebecca has 6 roasted chestnuts left. Before she had 11. How many did she eat? 6 = 11 5
Age: between 6 and 7 years