I've had a challenging time teaching my 6 year old to count by 5's, which as any homeschooler knows is kinda necessary if you're ever going to advance to reading clocks and counting money. My idea of just reciting over and over again wasn't exactly getting us anywhere. I'd even highlighted the 5's on a 100 number chart, but he seemed distracted by all the numbers in between. I needed him to see a pattern, but it wasn't happening.Today I had the bright idea to make flashcards using some cheap...