Welcome to BigNumberWorkshop, a parent's take on math, which nurtures understanding. I assume, your have taught your child count to 10 and you came here to teach billions. OK, let's learn to navigate a plane.
Watch how the pattern develops. The final fit of building four "spinners" next to each other must be easy for 6-year old, but placing right the paddles of the first spinner requires the cool skill of counting.
The classical Battleship game is an engaging way to practice. You only need to print so-called graph paper.
The FORWARD link is at the bottom right.