Help your students build stronger math fluency with this set of missing addends worksheets—perfect for practicing addition within 30 in a fun and meaningful way!

These black-and-white worksheets feature simple horizontal equations with one missing number. Each page includes adorable star-themed clipart that makes learning feel like a mission to reach the stars!

What’s Included:

• 40 student worksheets (missing addends within 30)
  
• 40 matching answer keys
  
• Equations like: ___ + 13 = 28, 6 + ___ = 30
  
• Kid-friendly design with star-themed clipart
  
• Clean layout ideal for focused practice
  

Skills Targeted:

• Finding missing addends
  
• Practicing addition within 30
  
• Strengthening mental math and number sense
  

Perfect for:

• First Grade classrooms
  
• Early finishers, math centers, morning tubs
  
• Intervention groups or homework packs
  
• Use during the first few months of the school year
  

Grade Level: First Grade
Flexible Use: Can also support early Grade 2 learners who need review

File Format: PDF
Total Pages: 80 (40 worksheets + 40 answer keys)