The 10yo has successfully completed 100 multiplication problems (facts 2-5) in 3.2 seconds per problem.
Her reward: a trip to a fast food restaurant for lunch (eating inside, not drivethru)
We are keeping up with our 2-5s practice and working on 6's separately.
If you look at a multiplication chart, you can see that facts 0-5 comprise more than half of the math facts (when you consider the Commutative Property, many facts are just repeated with the numbers flipped). We're more than half way there! Yay!