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 FORWARD link is at the bottom right.