Mixed +4 and +5 Fluency

This printable math worksheet is designed to help students in Grades 1-2 strengthen addition fact fluency, mental flexibility, and number pattern recognition through mixed practice with +4 and +5 facts. All problems are presented in a horizontal format, requiring students to quickly identify the addend and apply the correct strategy.

Learning Goals

• Mixed Addition Fact Fluency: +4 and +5 (Grades 1-2)
  Build accuracy and speed when switching between closely related fact families.
• Rapid Recall of Single-Digit Sums
  Strengthen automatic retrieval of +4 and +5 facts.
• Switching Between Number Patterns
  Help students recognize and adjust to different counting patterns.
• Mental Flexibility in Computation
  Encourage adaptable thinking and attention to detail.

Instructional Benefits

• Teacher-Created Resource
  Designed to align with early elementary math standards and fluency development.
• Horizontal, Mental-Math Focused Layout
  Promotes efficient computation without reliance on vertical structure.
• Spiral Review Friendly
  Ideal for ongoing practice, timed fluency checks, or independent work.
• Low-Prep, High-Impact
  Easy to implement in daily math routines.

This mixed +4 and +5 worksheet helps students build automatic recall, computational speed, and confidence with foundational addition facts. By practicing in a mixed format, learners strengthen the flexibility and fluency needed for more advanced arithmetic and problem-solving tasks.

This worksheet is part of our Addition Facts With 4 and 5 Worksheets collection.