More cards in this set

Card 6

Front

HCF

Back

Preview of the front of card 6

Card 7

Front

To subtract

Back

Preview of the front of card 7

Card 8

Front

To add

Back

Preview of the front of card 8

Card 9

Front

+ and +

Back

Preview of the front of card 9

Card 10

Front

- and -

Back

Preview of the front of card 10

Card 11

Front

+ and -

Back

Preview of the front of card 11

Card 12

Front

- and +

Back

Preview of the front of card 12