Free printable · No account · CA CCSS-aligned
Free 1st Grade Word Problems within 20 Worksheets
Practice word problems within 20 with 1 free printable worksheet templates on Kibi Club. Covers 5 specific skills within Operations & Algebraic Thinking — each sheet generates unique problems from a seed number.
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- 5
- skills
- Price
- $0
- always free
- Format
- US Letter
Skills & subtopics
Open a skill to see matching worksheet templates, or jump straight to filtered worksheets.
1.OA.A.1
Add/Sub Word Problems (unknowns in all positions)
Solves story problems within 20 with unknowns in all positions.
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1.OA.A.2
Commutative & Associative Properties
Applies commutative and associative properties.
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1.OA.A.3
Subtraction as Unknown Addend
Understands subtraction as unknown-addend problem.
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1.OA.A.4
Fluency within 10; Add/Sub within 20
Demonstrates fluency for addition and subtraction within 10.
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1.OA.A.5
Meaning of Equal Sign
Determines if equations are true or false.
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Frequently asked questions
What word problems within 20 skills do these worksheets cover?
These worksheets target Add/Sub Word Problems (unknowns in all positions), Commutative & Associative Properties, Subtraction as Unknown Addend, and more within Operations & Algebraic Thinking.
Are these aligned to California standards?
Yes. These worksheets align to CCSS standard 1.OA.A used in California public schools.