Online Activities, Educational Games, Quizzes, Crossword Maker

Make educational games, websites, online activities, quizzes and crosswords with Kubbu e-learning tool for teachers


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Suma y resta de números enteros

1. - 7 %2b 3
%2b4, -10, -4, -21
2. (-7) (-9)
16, -16, -2, 63
3. (-6)-(-9)=
-15, %2b54, %2b3, -3
4. -7 %2b2 %2b6 - 3=
-2, %2b12, %2b8, -4