Grade 1 Addition Worksheets
Master addition step by step, from basic concepts to advanced problem solving
Common Core: 1.OA — Operations & Algebraic ThinkingWatch & Learn
Learning Path
Start with Lesson 1 and work your way through!
1
What is Addition?
BeginnerLearn what addition means and how to add small numbers
Understand that addition means putting numbers togetherLearn the plus (+) and equals (=) signs+1 more
2
Addition Facts 0-5
BeginnerMaster addition facts with numbers 0 through 5
Memorize addition facts for numbers 0-5Add 0 to any number (the number stays the same)+1 more
3
Addition Facts 6-10
EasyLearn addition facts with larger single-digit numbers
Add numbers that include 6, 7, 8, 9, and 10Use counting on strategy for larger numbers+1 more
4
Sums to 10
EasyPractice all addition facts with sums of 10 or less
Solve any addition problem with a sum of 10 or lessBuild fluency with basic addition facts+1 more
5
Making 10
EasyLearn special number pairs that add up to 10
Memorize all number pairs that make 10Quickly recall 10-bonds (1+9, 2+8, 3+7, 4+6, 5+5)+1 more
6
Sums to 15
MediumAdd numbers with sums between 11 and 15
Add numbers to get sums from 11 to 15Use making 10 strategy for teen numbers+1 more
7
Sums to 20
MediumMaster addition with sums up to 20
Add any single-digit numbers with sums up to 20Use multiple strategies (counting on, making 10, doubles)+1 more
8
Mixed Practice
ChallengingReview all addition facts with mixed difficulty
Demonstrate mastery of all addition facts to 20Solve problems quickly and accurately+1 more
How to solve Grade 1 addition problems
Real problems from these worksheets, solved one step at a time — the same explanations your child sees when practicing online.
Example 1
3 + 1 = ?
- Start at 3 on the number line.
- Count forward 1 step.
- You land on 4.
Answer: 4
Example 2
6 + 2 = ?
- Start at 6 on the number line.
- Count forward 2 steps.
- You land on 8.
Answer: 8
Example 3
6 + 9 = ?
- 9 needs 1 more to make 10.
- Split 6 into 1 and 5.
- 9 + 1 = 10.
- 10 + 5 = 15.
Answer: 15
Frequently Asked Questions
- Are these Grade 1 Addition worksheets free?
- All printable Addition worksheets on MyMathKid are free to download and print. Answer keys are a premium feature available with a subscription.
- How many Addition worksheets are available for Grade 1?
- There are 8 progressive Addition lessons with worksheets for Grade 1, covering skills from foundational concepts to advanced problem solving.
- Are these Addition worksheets aligned to Common Core?
- Yes — Grade 1 Addition aligns with Common Core 1.OA (Operations & Algebraic Thinking).
- What will my child practice with these Addition worksheets?
- Your child will practice: What is Addition?, Addition Facts 0-5, Addition Facts 6-10, Sums to 10, and more.