Grade 2 Subtraction Worksheets — Within 20
Free & unlimitedNo loginAnswer key includedCCSS 2.OA.2
Grade 2 subtraction extends to 20, and the tricky zone is crossing ten: 15 − 7, 13 − 8, 16 − 9. These worksheets hit that zone alongside easier facts, in a balanced rotation that covers the whole space before repeating.
Add the timed-test header for weekly checks, or print untimed for homework. Answer keys ride on their own page for quick correction.
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Name ____________Date ______Score ____/50
16 − 0 = ____
214 − 7 = ____
316 − 9 = ____
419 − 12 = ____
511 − 0 = ____
615 − 4 = ____
712 − 4 = ____
817 − 17 = ____
912 − 1 = ____
109 − 4 = ____
1110 − 5 = ____
1212 − 2 = ____
1318 − 11 = ____
147 − 6 = ____
1517 − 6 = ____
Preview: first 15 of 50 problems (Subtraction within 20, CCSS 2.OA.2). Open the generator for the full sheet + answer key — or press “New set” for a completely fresh one.
💡 Teach “subtract through ten”: for 15 − 7, take away 5 to reach 10, then 2 more. The Mastery Map will show you exactly which crossing facts need it.
Frequently asked questions
- What subtraction fluency is expected in grade 2?
- CCSS 2.OA.2: fluent addition and subtraction within 20 using mental strategies, with sums of one-digit numbers known from memory by year end.
- Vertical or horizontal for grade 2 subtraction?
- Both belong in grade 2: horizontal for mental-math practice, vertical (stacked) to prepare for the written algorithm with regrouping.