🔢

📍

N1.8 - aftrekken binnen 20 zonder over 10 te gaan

Set met flashcards gericht op het automatiseren van het aftrekken binnen 20 zonder over 10 te gaan. Voorbeeldsommen: 19−3, 14−2.

17−6 = ...

Front

11

Back

19−8 = ...

Front

11

Back

18−5 = ...

Front

13

Back

16−2 = ...

Front

14

Back

19−5 = ...

Front

14

Back

16−4 = ...

Front

12

Back

15−2 = ...

Front

13

Back

17−4 = ...

Front

13

Back

16−5 = ...

Front

11

Back

18−7 = ...

Front

11

Back

18−4 = ...

Front

14

Back

17−2 = ...

Front

15

Back

13−1 = ...

Front

12

Back

19−7 = ...

Front

12

Back

18−6 = ...

Front

12

Back

16−3 = ...

Front

13

Back

17−5 = ...

Front

12

Back

15−4 = ...

Front

11

Back

14−2 = ...

Front

12

Back

19−3 = ...

Front

16

Back