Make math learning fun for all students with the Carson Dellosa Addition Flash Cards! For ages 6 and up, this set features 169 double-sided flash cards measuring about 5 3/4 inches x 3 inches each. Each card in the set features an addition problem that practices math facts through 12. You can check your child's answers for accuracy on the back of each card. Use the resource card for more fun math games and division activities to bring learning to life for your child. Education happens everywhere, and Carson Dellosa strives to provide the tools needed to inspire learning everywhere it happens.