Mixed Vertical Addition

This printable math worksheet is designed to help students in Grades 1 and 2 strengthen addition fact fluency, number sense, mental math strategies, and computational accuracy through mixed practice with +8 and +9 facts. Presented in a consistent vertical format with structured answer boxes, the worksheet supports proper number alignment while challenging students to switch flexibly between closely related addition patterns.

Learning Goals

• Mixed Addition Fact Fluency (Grades 1-2)
  Build speed and accuracy when adding 8 and 9 to single-digit numbers.
• Vertical Place-Value Alignment
  Reinforce neat number placement and organized computation.
• Mental Arithmetic & Strategy Use
  Encourage efficient strategies such as near doubles and tens-based thinking.
• Foundational Number Sense
  Strengthen understanding of number relationships and pattern recognition.

Instructional Benefits

• Teacher-Created Resource
  Designed by educators to align with early elementary math standards.
• Targeted Mixed-Fact Practice
  Helps students distinguish between +8 and +9 facts while improving recall.
• Consistent, Student-Friendly Layout
  Supports independence and focused work.
• Flexible Classroom Use
  Ideal for independent practice, guided instruction, math centers, homework, or review.

This mixed vertical addition worksheet helps students develop fact mastery, mental computation efficiency, accuracy, and math confidence. By alternating between +8 and +9 facts in a structured format, learners build the strong foundational skills needed for future multi-digit arithmetic. Whether used in a classroom or homeschool setting, this no-prep worksheet provides effective, targeted practice that supports long-term success in mathematics.

This worksheet is part of our Addition Facts With 8 and 9 Worksheets collection.