10 plus 10

Answer 1

Ten plus ten is twenty. count the dots below.

* * * * * * * * * * = 10

* * * * * * * * * * = 10

* * * * * * * * * *

* * * * * * * * * *= 20

You could do it in your head and you could draw a picture like the one above. You could also simply just use a calculator