Add Twenty

This printable math worksheet is designed to help students in Grades 3 and 4 strengthen place value understanding, addition fluency, mental math strategies, and multi-digit computation accuracy by practicing how numbers change when twenty is added. Using a clear vertical grid layout, students align digits correctly and observe consistent base-ten patterns as the tens place increases by two while the ones place remains unchanged.

Learning Goals

• Multiples of Ten Addition (Grades 3-4)
  Practice adding 20 to two- and three-digit numbers with speed and accuracy.
• Place Value & Regrouping
  Reinforce how the tens and hundreds places interact when adding multiples of ten.
• Base-Ten Understanding
  Strengthen recognition of predictable number patterns across different numerical ranges.
• Multi-Digit Addition Accuracy
  Develop careful alignment and precision in vertical computation.

Instructional Benefits

• Teacher-Created Resource
  Designed by educators to align with upper-elementary math standards and place-value progressions.
• Structured Vertical Grid
  Supports neat work habits and reduces place-value errors.
• Fluency-Focused Practice
  Repeated exposure builds automaticity with adding multiples of ten.
• Flexible Classroom Use
  Ideal for independent practice, math centers, homework, review, or intervention.

This add-twenty worksheet helps students develop place value reasoning, mental computation, accuracy, and confidence with multi-digit addition. By applying the same base-ten rule across a wide range of numbers, learners gain fluency and readiness for more advanced arithmetic. Whether used in a classroom or homeschool setting, this no-prep worksheet provides effective practice that supports long-term success in mathematics.

This worksheet is part of our Adding 10s and 20s Worksheets collection.