Missing Addends to 20 - Math Worksheet

Boost your first graders’ addition skills with this Missing Addends within 20 worksheet set! Perfect for Grade 1 students, this pack includes 25 engaging pages designed to help children practice finding the missing number in addition problems.

These worksheets focus on building number sense, improving mental math, and strengthening addition fluency within 20.

Why you’ll love this resource:

• 25 pages of practice for missing addends within 20

• Ideal for Grade 1 math, homeschool, or classroom use

• No-prep worksheets ready to print and use immediately

• Supports number sense development and addition skills

• Helps students understand part-part-whole relationships

Skills included

• Missing Addends

• Addition practice for Grade 1

• Number bond activities

• Mental math practice

• Early elementary math

• Printable math worksheets

• No-prep math worksheets

• Homeschool math resources

• Part-part-whole exercises

This “Missing Addends within 20” pack is perfect for teachers, parents, and homeschoolers who want to give students extra practice in a fun and interactive way. Perfect for morning work, math centers, or independent practice.

Print & Go! These printable worksheets will give your students FUN, ENGAGING, and CONSISTENT math practice throughout the back-to-school season! ✏️✨