Students will truly understand what they read with the help of these easy-to-use reading comprehension cards! Your students will build critical reading skills by identifying the main idea of a paragraph. Perfect for center activities, homework and filling down-time between lessons. A great review for testing. Answers on back of cards for easy self-checking. Each pack has 52, 3-1/2-áx-á5-1/2" self-checking question cards and two instruction cards.