Classweekly

1st Grade Addition Worksheets

Ages 6-7 · 39 sub-topics · Free previews · Print-ready PDFs

These first grade addition worksheets cover everything from basic addition facts within 10 to adding two-digit and one-digit numbers. Students practice addition with pictures, number lines, mental math strategies, and standard algorithms. By the end of first grade, students should fluently add within 20 (1.OA.C.6) and understand place value addition up to 100 (1.NBT.C.4). Our worksheets build toward both goals step by step.

Written by Adi Ackerman, Head Teacher

Addition▼
Addition sentences - 1st Grade Addition worksheet preview

Addition sentences

Grade1st Grade
Share
Adding with number lines - 1st Grade Addition worksheet preview
Share
Number bonds - sums with 8 - 1st Grade Addition worksheet preview
Share
Number bonds - sums with 9 - 1st Grade Addition worksheet preview
Share
Number bonds - sums with 10 - 1st Grade Addition worksheet preview
Share
Adding doubles - 1st Grade Addition worksheet preview

Adding doubles

Grade1st Grade
Share
Adding doubles plus 1 - 1st Grade Addition worksheet preview
Share
Adding doubles plus 2 - 1st Grade Addition worksheet preview
Share
Adding doubles minus 1 - 1st Grade Addition worksheet preview
Share
Add 3 numbers - 1st Grade Addition worksheet preview

Add 3 numbers

Grade1st Grade
Share
Add whole tens - 1st Grade Addition worksheet preview

Add whole tens

Grade1st Grade
Share
Complete the next ten - 1st Grade Addition worksheet preview
Share
Complete the next ten - 1st Grade Addition worksheet preview

Complete the next ten

GradeGrades 2 & 1
Share
Numbers to 20 - Patriot Day - 1st Grade Addition worksheet preview
Share
Add objects (up to 10) - Bees - 1st Grade Addition worksheet preview
Share
Add objects (up to 10) - Cats - 1st Grade Addition worksheet preview
Share
Add objects (up to 10) - Elves - 1st Grade Addition worksheet preview
Share
Add objects (up to 10) - Fans - 1st Grade Addition worksheet preview
Share
Add objects (up to 10) - Foxes - 1st Grade Addition worksheet preview
Share
Add Tens and Ones - 1st Grade Addition worksheet preview

Add Tens and Ones

GradeGrades 2 & 1
Share
Add Three and Four Numbers - 1st Grade Addition worksheet preview
Share
Add Three Numbers Within 10 - 1st Grade Addition worksheet preview
Share
Add Three Numbers Within 20 - 1st Grade Addition worksheet preview
Share
Add Within 20, Fluency Practice - 1st Grade Addition worksheet preview
Share
Add Within 100, Fluency Practice - 1st Grade Addition worksheet preview
Share
Adding within 5 - Butterfly - 1st Grade Addition worksheet preview
Share
Adding within 5 - House - 1st Grade Addition worksheet preview

Adding within 5 - House

GradeGrades K & 1
Share
Adding within 5 - Turtle - 1st Grade Addition worksheet preview

Adding within 5 - Turtle

GradeGrades K & 1
Share
Adding within 10 - Friends - 1st Grade Addition worksheet preview
Share
Adding within 10 - Love - 1st Grade Addition worksheet preview
Share
Adding within 10 - Seesaw - 1st Grade Addition worksheet preview
Share
Adding within 10 - Win - 1st Grade Addition worksheet preview
Share
Addition Facts Mixed Review - 1st Grade Addition worksheet preview
Share
Compare Sums Within 10 - 1st Grade Addition worksheet preview

Compare Sums Within 10

GradeGrades K & 1
Share
Count and add (up to 10) - Apple - 1st Grade Addition worksheet preview
Share
Draw objects to make 10 - Sun - 1st Grade Addition worksheet preview
Share
Missing Addend Within 20 - 1st Grade Addition worksheet preview
Share
Missing Number, Add Within 10 - 1st Grade Addition worksheet preview
Share
Number bonds (sums with 8) - 1st Grade Addition worksheet preview
Share
Properties of Addition - 1st Grade Addition worksheet preview

Properties of Addition

GradeGrades 2 & 1
Share
Add four 1-digit numbers - Fun - 1st Grade Addition worksheet preview
Share
Add four 1-digit numbers - Work - 1st Grade Addition worksheet preview
Share
Adding 3 numbers - Nest - 1st Grade Addition worksheet preview
Share
Add on a Hundred Chart - 1st Grade Addition worksheet preview

Add on a Hundred Chart

GradeGrades 2 & 1
Share
Add on a Number Line Within 20 - 1st Grade Addition worksheet preview
Share
Add Within 5 with a Number Line - 1st Grade Addition worksheet preview
Share
Add Within 5 with Pictures - 1st Grade Addition worksheet preview
Share
Add Within 10 with Ten Frames - 1st Grade Addition worksheet preview
Share
Add Within 10, Count On - 1st Grade Addition worksheet preview

Add Within 10, Count On

GradeGrades K & 1
Share
Add Within 10, Doubles - 1st Grade Addition worksheet preview

Add Within 10, Doubles

GradeGrades K & 1
Share
Add Within 10, Number Bonds - 1st Grade Addition worksheet preview
Share
Add Within 20, Count On - 1st Grade Addition worksheet preview
Share
Add Within 20, Doubles - 1st Grade Addition worksheet preview
Share
Add Within 20, Make Ten - 1st Grade Addition worksheet preview
Share
Add Within 20, Near Doubles - 1st Grade Addition worksheet preview
Share
Add Within 20, Ten Frames - 1st Grade Addition worksheet preview
Share
Add Within 100, Compensation - 1st Grade Addition worksheet preview
Share
Add Within 100, Mental Math - 1st Grade Addition worksheet preview
Share
Break Apart Numbers to Add - 1st Grade Addition worksheet preview
Share
Choose a Strategy, Addition - 1st Grade Addition worksheet preview
Share
Doubles Facts Practice - 1st Grade Addition worksheet preview
Share
Doubles Plus One Facts - 1st Grade Addition worksheet preview
Share
Make 5 - 1st Grade Addition worksheet preview

Make 5

GradeGrades K & 1
Share
Make 10 with Ten Frames - 1st Grade Addition worksheet preview

Make 10 with Ten Frames

GradeGrades K & 1
Share
Make Ten to Add Within 20 - 1st Grade Addition worksheet preview

Make Ten to Add Within 20

GradeGrades 2 & 1
Share
Missing Addend, Strategies - 1st Grade Addition worksheet preview
Share
Math Facts Within 20 Review - 1st Grade Addition worksheet preview
Share

See Addition for other grades

Frequently Asked Questions

By the end of first grade, students should fluently add within 10 (CCSS 1.OA.C.6) and solve addition problems within 20 using strategies like counting on, making ten, and decomposing numbers. They should also add within 100 using place value understanding (1.NBT.C.4).

What is ClassWeekly?

ClassWeekly offers free worksheets and printable learning resources for kids in preschool to grade 5. All worksheets are aligned to Common Core, NGSS, and C3 Framework standards and designed by educators. Become a member to access the full library and download unlimited PDFs.