Adding Doubles Worksheet – 1st Grade Addition Practice + Answer Key

Build strong addition skills with the Adding Doubles Worksheet. This first grade math printable keeps the focus on one skill so students can practice it with confidence.

Learning objective: By the end of this activity, students will be able to use their addition skills accurately and explain their thinking.

Why it works: Each page targets one skill, so students get meaningful repetition without feeling overwhelmed. The layout is clean and uncluttered, which helps young learners focus on the task instead of the decorations.

What's included:

• 1 printable worksheet page

• Clear, student-friendly directions

• 2 practice sections (Part A to Part B)

• Answer key (1 page)

• Cover page

How it's organized: The page opens with these directions: "Add the two numbers in each doubles fact. Write the sum in the box." The practice is split into 2 parts, so students can work through it in clear steps.

Grade level: Designed for first grade students. It also works well for kindergarten and second grade students who need extra practice or a fresh review.

How to use it: It is a great fit for morning work, learning centers, intervention groups, test review, homeschool lessons, and take-home practice.

Answer key: An answer key is included, so you can check work quickly or let students self-correct.

Teaching tips and variations:

• Pair students to compare answers and talk through any differences.

• Slip the page into a sheet protector so students can practice again with dry-erase markers.

• Use it as an exit ticket the day after a addition lesson to see who needs more support.

Skills covered: Addition, Math

Standards: Supports Common Core 1. OA.C.6, 1. OA.A.1.

File type: PDF, ready to print.

Number of pages: 3 (1 worksheet page, 1 answer key page, 1 cover page).

Looking for more addition practice? Visit the Have Fun Teaching shop for related worksheets, reading passages, and activities for first grade. Have Fun Teaching on Teach Simple