Mental Math Worksheets | Add & Subtract with 2-Digit Numbers

Help students improve their mental math skills with this collection of 200 printable addition and subtraction worksheets! Designed for Grades 1–3, these activities provide practice adding and subtracting one-digit and two-digit numbers from two-digit numbers without using a calculator.

With plenty of exercises, students can develop calculation speed, accuracy, and confidence while strengthening their understanding of basic addition and subtraction. These worksheets are suitable for daily practice at school or at home.

What’s Included

• 200 printable practice pages

• Mental addition with 1-digit and 2-digit numbers

• Mental subtraction with 1-digit and 2-digit numbers

• Practice using two-digit starting numbers

• Up to 200 days of math practice

• Ready-to-print worksheet pages

Skills Students Will Practice

• Mental addition

• Mental subtraction

• Adding one-digit and two-digit numbers

• Subtracting one-digit and two-digit numbers

• Number sense

• Calculation speed and accuracy

• Mental arithmetic

• Independent problem-solving

Perfect For

• Grade 1, Grade 2, and Grade 3 students

• Classroom math activities

• Daily math practice

• Morning work

• Math centers and stations

• Early finishers

• Homework assignments

• Tutoring and homeschool lessons

• Extra practice at home

• Adults and seniors who want to practice mental arithmetic

Why Use These Worksheets?

Regular mental math practice helps learners become more confident when performing everyday calculations. Working with two-digit numbers encourages students to think flexibly, improve their number sense, and develop strategies for solving addition and subtraction problems without relying on a calculator.

With 200 practice pages, this resource offers plenty of opportunities for consistent math practice and skill development throughout the year.

Target Grade Levels

• Grade 1

• Grade 2

• Grade 3