-advertisement-
7%

John has 4 blocks, and Sarah gives him 2 more blocks. How many blocks does John have now? Type the number below.

Fact Lab

Check out this great content

Continue to play the quiz afterwards
-advertisement-

Interesting fact:

The idea of zero was discovered at different times throughout the world. It is widely accepted that Brahmagupta, an Indian astronomer and mathematician, first came upon the idea of zero around 600 A.D. He also explained how to find the cube and cube-root of an integer.