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N3.8 - vermenigvuldigen met tientallen afgeleid van de tafel van 6, 7, 8 en 9

Set met flashcards gericht op het automatiseren van het vermenigvuldigen met tientallen afgeleid van de tafel van 6, 7, 8 en 9. Voorbeeldsommen: 6 x 80 = ... , 9 x 20 = ... .

9 x 90 = ...

Front

810

Back

7 x 70 = ...

Front

490

Back

8 x 90 = ...

Front

720

Back

9 x 80 = ...

Front

720

Back

6 x 60 = ...

Front

360

Back

7 x 90 = ...

Front

630

Back

8 x 50 = ...

Front

400

Back

6 x 70 = ...

Front

420

Back

9 x 40 = ...

Front

360

Back

8 x 60 = ...

Front

480

Back

9 x 70 = ...

Front

630

Back

6 x 90 = ...

Front

540

Back

7 x 80 = ...

Front

560

Back

9 x 50 = ...

Front

450

Back

8 x 70 = ...

Front

560

Back

8 x 30 = ...

Front

240

Back

7 x 60 = ...

Front

420

Back

7 x 40 = ...

Front

280

Back

9 x 20 = ...

Front

180

Back

6 x 80 = ...

Front

480

Back