Addition and Subtraction Number Chains | Grade 3 Math Worksheets

Help Grade 3 students strengthen their mental math skills with these Addition and Subtraction Number Chains Worksheets. This resource includes 100 days of practice, with 16 number chain exercises per page and 1,600 exercises in total.

Students solve each number chain from left to right, adding or subtracting each number to find the final answer. The daily practice format makes it easy to build a consistent math routine at school or at home.

A complete answer key is included to make checking answers quick and easy.

What’s Included

• 100 days of math practice

• 100 practice pages

• 16 number chains per page

• 1,600 addition and subtraction exercises

• Mental math activities for Grade 3

• Daily practice format

• 100 answer key pages

• Printable PDF file

Skills Students Will Practice

• Addition and subtraction

• Mental math

• Number sense

• Multi-step calculations

• Calculation speed and accuracy

• Logical thinking

• Focus and concentration

• Math fact fluency

Perfect For

• Grade 3 math

• Daily math practice

• Morning work

• Classroom lessons

• Math centers

• Homework

• Homeschooling

• Independent practice

• Math review

• Extra practice at home

Students can work through the number chains each day to improve their calculation skills, build confidence, and develop greater accuracy with addition and subtraction.