Math Word Problems - Addition and Subtraction Answers Within 20 Google Slides and SeesawStudents solve word problems by using a double ten frame, number bond, and number line. There are 20 word problems. This self-checking resource is made for Google Slides. Please watch the video in the preview to see it in action. This is great for morning work, warm-up, exit ticket, homework, math center work, distant learning, or a follow-up activity after a lesson or for extra practice. You can also use the