Counting without errors. Addition and subtraction up to 20 (Pencil game)

Tasks will help the child work out the skill of addition and subtraction within 20. Children like training on these cards, they are happy to work with them on their own.
The first game with cards is built as the test type. It is necessary to find the meaning of the expression, which is not enough, an error in the example or calculate the number of elements on the card, and then, choosing the appropriate answer option, insert the pencil into the hole under it. If the answer is correct, the card is easily removed from the block.
In the second game, you need to connect a pair of numbers, fill out the tables, look for the sum, paint fragments of the picture with the correct values. Having inscribed the answer with a pencil, you can pull out the card from the block and check yourself, checking your answer with the correct one.
+ 2 different games and 96 tasks.
+ 48 bilateral cards
+ convenient self -testing system