New and improved with 24 SETS! This main idea activity can be used for a partner activity, small group intervention, or as an intermediate center. You can cut and laminate the cards and place them into a bag, box, etc. Students will pull the words and phrases out of the bag and work to determine the main idea from the detail clues in the bag. An answer sheet for students is available with this set. This can be used for advanced 2nd graders through 5th or 6th grade. This activity covers science, reading, and math main idea cards. This is an excellent way to sneak in extra science and math skill practice into your reading block!