What is check? Why it's quite possibly one of the most important plays of the game! Check means that your opponent's king is under attack, and they need to watch their next move carefully! This free PDF worksheet will tell your young logistician that check is a move they want to learn to make and identify, and this will help them! Using the example, they'll look at each picture and choose the one piece that checks the king. Chess is great for critical thinking and problem solving, and this will be a great way to teach kids to play to win!