After three short playful hands-on activities, my four and six-year-old children are now enthusiastically able to tell the difference between ODD and EVEN numbers - even very large six-or-seven digit numbers. My four-year-old daughter is beyond proud of herself for figuring out the key to this important little puzzle, and has been happy and excited to work on Math all week. If you'd like to give this lesson a try, gather together 30 wooden blocks, a Sharpie marker, a roll of painter's tape, s...
