Learning math facts doesnÆt have to be dull! Now students can ôrock outö while they learn addition and subtraction. Upbeat rock music, energetic performers, and colorful action make these super-cool songs favorites with kids of all ages. As they sing along to these "add and subtract tunes," kids quickly learn sums up to 18 and differences from 18. Includes audio CD and book. Ages 6 and up.