Addition and Subtraction Within 20 Worksheets | Grades K–2

Help students strengthen their basic math skills with these addition and subtraction worksheets. Designed for Kindergarten, Grade 1, and Grade 2, these worksheets provide plenty of practice with calculations within 20.

Each page includes 64 exercises, with 32 addition problems and 32 subtraction problems. The repeated practice helps students improve accuracy, build number sense, and become more confident with basic calculations.

What’s Included

• Addition worksheets within 20

• Subtraction worksheets within 20

• 64 exercises per page

• 32 addition problems per page

• 32 subtraction problems per page

• Printable PDF resource

• No answer key or answer sheets included

Skills Students Will Practice

• Addition within 20

• Subtraction within 20

• Number sense

• Basic calculation skills

• Mental math

• Accuracy and speed

• Independent work

• Math fact fluency

Perfect For

• Kindergarten math

• Grade 1 math practice

• Grade 2 review

• Classroom activities

• Morning work

• Math centers

• Homework

• Homeschooling

• Tutoring

• Extra practice and review

These worksheets give students regular practice with addition and subtraction within 20. They are easy to use in the classroom or at home and are suitable for students learning these skills or those who need extra reinforcement.