This excited little backpack is ready to go to school and learn. The happy look on its face will get your students excited to do the same as they make their way through their addition lesson with the Addition up to 20 Worksheet. Kids can solve the 10 addition problems on the left-hand side of the page to get the correct answer. This answer corresponds with a color that is found beside the equation. From there, students can find that answer on the image of the backpack and color in the correct sections by number as a reward.