Practice 1st Grade Adding 2-Digit Numbers, 10 more & 10 less, Subtracting Multiples of 10, and Ordering by Size with these fun Math Mystery Picture activities. This resource includes both PRINT and Digital options. Use the Google Forms version which gives students instant feedback or print the no-prep fun math coloring activity. * PAPERLESS OPTION:4 Google Forms - Digital Math Mystery Pixel Art Images10 questions that gradually increase in difficultyInstant Feedback - Students are prompted t