Addition Within 20 – Set 1 | Class 1 Math

Addition Within 20 – Set 1 | Class 1 Math Worksheet | No Regrouping

Build strong foundational addition skills with Addition Within 20 – Set 1, a printable Class 1 math worksheet designed to give young learners varied practice with addition problems where the answers are within 20. The worksheet includes a mix of addition questions, helping students develop number sense, calculation accuracy, and confidence.

The variety of problems gives children opportunities to practice addition using different numbers while strengthening their understanding of addition facts and basic mathematical thinking.

Elements Included:

• Mixed addition problems with sums within 20
• Addition fact practice
• Variety of addition questions
• Practice with numbers up to 20
• Number sense and calculation practice
• Clear, child-friendly worksheet format
• Answer key included

Perfect For:

• Class 1 / Grade 1 Math
• Addition within 20
• Addition fact practice
• Basic addition skills
• Number sense development
• Classroom practice
• Homework
• Morning work
• Math centers
• Homeschooling
• Independent practice
• Math revision

What’s Included:

• 2 Pages – 1 Worksheet + 1 Answer Key Page
• Printable PDF
• A4 / Letter Size
• Print-ready digital file
• Instant digital download