1st Grade Math Worksheets - Addition & Subtraction within 20, Word Problems, etc

Do you need quick no-prep math printables that cover specific first grade math standards? This bundle of 1st grade math worksheets has everything you need to reinforce the fundamental math skills listed in the 1st grade Common Core Math Operations and Algebraic Thinking standards. Your students will be begging you for more of these addition and subtraction within 20 worksheets!

These 1st grade addition worksheets and subtraction worksheets are kid-friendly! Students will remain engaged and not feel overwhelmed with the content on the page. Using these 1st grade word problems will improve student independence as they learn to complete work on their own and they will see an improvement in their fundamental math skills. 

 Products included with these addition and subtraction within 20 worksheets:

⭐️ 1.OA.B.3 Addition (Associative and Commutative Property)

• Apply properties of operations as strategies to add and subtract.

⭐️ 1.OA.B.4 Subtraction Relative to Addition

• Understand subtraction as an unknown-addend problem.

⭐️ 1.OA.D.7 True or False Equations

• Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.

⭐️ 1.OA.D.8 Unknown Numbers

• Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.

⭐️ 1.OA.A.1 Word Problems for Whole Numbers Within 20

• Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking fro.m, putting together, taking apart, and comparing, with unknowns in all positions.

⭐️ 1.OA.A.2 Word Problems with 3 Whole Numbers

• Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20.

⭐️ 1.OA.C.5 Counting On and Counting Back

• Relate counting to addition and subtraction.

⭐️ 1.OA.C.6 Addition and Subtraction Fluency and Strategies

• Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.

There are over 150 1st grade math worksheets and printables that could be used for classwork, small group intervention, math centers, homework, and as assessments. 

❤️Your students will LOVE completing these 1st grade addition worksheets and subtraction worksheets! With 20 addition and subtraction within 20 worksheets to choose from in each product, students will fully immerse themselves in the 1st grade math curriculum! 

These 1st grade addition and subtraction worksheets cover the following math skills:

✅ addition using commutative and associative property

✅ subtraction (relative to addition)

✅ true or false (meaning of equal sign)

✅ finding unknown numbers in an equation

✅ addition and subtraction word problems using 2 whole numbers

✅ addition and subtraction within 20 using 3 whole numbers

✅ counting on and counting back

✅ addition and subtraction strategies and fluency

Standards covered 1 with these 1st grade addition worksheets and subtraction worksheets: OA.A.1, 1.OA.A.2, 1.OA.B.3, 1.OA.B.4, 1.OA.C.5, 1.OA.C.6, 1.OA.D.7, 1.OA.D.8

Check the previews of the individual sets to get a better picture of what is included in this 1st grade math worksheets bundle!

What are teachers saying about these 1st grade word problems worksheets?

⭐️⭐️⭐️⭐️⭐️ “I used this product as a follow-up to my lesson.  This helped me see what standards my students mastered and which ones I needed to help in exactly what standard.  Great resource!” - Pamela R.

⭐️⭐️⭐️⭐️⭐️ “This is an amazing resource! My students were able to understand and complete them with little to no help.” - Brook E.

Check out these math printables:

⭐️ OA BUNDLE: Addition & Subtraction Strategies

• [OA.A.1] Word Problems 2 Whole Numbers
• [OA.A.2] Word Problems 3 Whole Numbers
• [OA.B.3] Addition (Associative and Commutative Properties)
• [OA.B.4] Subtraction Relative to Addition
• [OA.C.5] Counting On and Counting Back
• [OA.C.6] Addition and Subtraction Fluency and Strategies
• [OA.D.7] True or False Equations
• [OA.D.8] Unknown Numbers

⭐️ MD BUNDLE: Measurement and Data

• [MD.A.1] Measurement
• [MD.A.2] Nonstandard vs Standard Measurement
• [MD.B.3] Time (Hours and Half-Hours)
• [MD.B.3] Time (Quarter Hours)
• [MD.C.4] Data and Graphing

⭐️ NBT BUNDLE: Number and Operations in Base Ten

• [NBT.A.1] Counting to 120
• [NBT.B.2] Place Value (Tens and Ones)
• [NBT.B.3] Comparing and Ordering Numbers
• [NBT.C.4] Addition Within 100
• [NBT.C.6] Subtract Multiples of 10

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