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N3.7 - vermenigvuldigen met tientallen afgeleid van de tafel van 2, 3, 4 en 5.

Set met flashcards gericht op het automatiseren van het vermenigvuldigen met tientallen afgeleid van de tafel van 2, 3, 4 en 5. Voorbeeldsommen: 5 x 80 = ... , 3 x 20 = ... .

4 x 20 = ...

Front

80

Back

5 x 70 = ...

Front

350

Back

2 x 50 = ...

Front

100

Back

3 x 90 = ...

Front

270

Back

3 x 70 = ...

Front

210

Back

5 x 30 = ...

Front

150

Back

2 x 60 = ...

Front

120

Back

4 x 30 = ...

Front

120

Back

3 x 80 = ...

Front

240

Back

5 x 40 = ...

Front

200

Back

2 x 90 = ...

Front

180

Back

4 x 60 = ...

Front

240

Back

3 x 50 = ...

Front

150

Back

4 x 70 = ...

Front

280

Back

2 x 70 = ...

Front

140

Back

5 x 60 = ...

Front

300

Back

8 x 40 = ...

Front

320

Back

3 x 20 = ...

Front

60

Back

4 x 90 = ...

Front

360

Back

5 x 80 = ...

Front

400

Back