Make number sequencing fun and stress-free with this Find the Missing Number worksheet packet! Designed for Kindergarten and First Grade, this resource includes 20 engaging five-frame worksheets (numbers 0–10 and 10–20), plus a teacher-friendly cover page and complete answer keys. Students build number sense by identifying the missing number in a sequence, strengthening counting, sequencing, and number relationships. The clean layout, ample white space, and playful squiggle borders make it