What's the best exercises for toned abs?
HIIT (High Intensity Interval Training) exercises are great for burning fat and building lean muscle. These exercises force you to work hard in short intense spurts creating greater after burn (the amount of calories you burn after your workout is over).
HIIT exercises give you the combo of strength training and cardio in one workout.
I built my HIIT exercise (Core Blast) from workouts I found here and at ab-workouts-guide.com if you like it try Core Abs & Stretches, Cardio Fight Club HIIT, MAX Tabata Test or Abs Attack they're fun and challenging.
Good luck and God Bless!