Common Core math · Grade 1 · Operations & Algebraic Thinking
1.OA.B.4
See subtraction as finding the missing part.
What 1.OA.B.4 says
Understand subtraction as an unknown-addend problem.
- Grade
- Grade 1
- Domain
- OA — Operations & Algebraic Thinking
- Full code
- CCSS.MATH.CONTENT.1.OA.B.4
Free worksheets for 1.OA.B.4
13 aligned worksheets. Every one is a free printable PDF. No account, no email, no paywall.
Missing Number — Subtraction
Math · 1 page
Missing Number — Subtraction — Review
Math · 1 page
Missing Number — Subtraction — Challenge
Math · 1 page
Missing Number — Subtraction — Extra Practice
Math · 1 page
Missing Number — Subtraction
Math · 1 page
Missing Number — Subtraction — Review
Math · 1 page
Missing Number — Subtraction — Challenge
Math · 1 page
Missing Number — Subtraction
Math · 1 page
Missing Number — Subtraction — Review
Math · 1 page
Missing Number — Subtraction — Challenge
Math · 1 page
Missing Number — Subtraction — Extra Practice
Math · 1 page
Missing Number — Subtraction
Math · 1 page
Missing Number — Subtraction
Math · 1 page
More free Grade 1 math
Other Grade 1 standards
1.OA.B.4 — common questions
What is 1.OA.B.4?
1.OA.B.4 is a Grade 1 Common Core math standard in the Operations & Algebraic Thinking domain. It reads: “Understand subtraction as an unknown-addend problem.”
What grade is 1.OA.B.4?
1.OA.B.4 is a Grade 1 standard. The number straight after the domain letters is the grade, so the “1” in 1.OA.B.4 means Grade 1.
What does the code 1.OA.B.4 stand for?
Read it left to right: 1 is the grade, OA is the domain (Operations & Algebraic Thinking), and the last number is the standard within that domain. The full identifier is CCSS.MATH.CONTENT.1.OA.B.4.
Are there free worksheets for 1.OA.B.4?
Yes — 13 printable worksheets on this page are aligned to 1.OA.B.4. Every one is a free PDF with no account, no email and no paywall.