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Bridge Back Through Ten is a free printable Grade 2 maths worksheet on subtraction that crosses ten downwards, aligned to Common Core standard 2.OA.B.2. It prints 12 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 1 of 25 · the same problems every time you open this link.

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All 25 sets ask different questions.

Bridge Back Through Ten

2.OA.B.2

NameDate

Fill in both blanks.

1.25 + ___ = 31 , so 31 − 25 = ___
2.14 + ___ = 31 , so 31 − 14 = ___
3.34 + ___ = 36 , so 36 − 34 = ___
4.20 + ___ = 26 , so 26 − 20 = ___
5.20 + ___ = 37 , so 37 − 20 = ___
6.25 + ___ = 27 , so 27 − 25 = ___
7.23 + ___ = 40 , so 40 − 23 = ___
8.36 + ___ = 39 , so 39 − 36 = ___
9.2 + ___ = 37 , so 37 − 2 = ___
10.16 + ___ = 28 , so 28 − 16 = ___
11.22 + ___ = 38 , so 38 − 22 = ___
12.1 + ___ = 38 , so 38 − 1 = ___

LessonPrint · 2.OA.B.2 · Set 1 · free to copy for classroom use

Answer key — Bridge Back Through Ten

Set 1. Prints on its own sheet.

  1. 1.6 and 6
  2. 2.17 and 17
  3. 3.2 and 2
  4. 4.6 and 6
  5. 5.17 and 17
  6. 6.2 and 2
  7. 7.17 and 17
  8. 8.3 and 3
  9. 9.35 and 35
  10. 10.12 and 12
  11. 11.16 and 16
  12. 12.37 and 37

Questions about Bridge Back Through Ten

What does the Bridge Back Through Ten worksheet cover?

It practises subtraction that crosses ten downwards — 12 questions for Grade 2, all on Common Core 2.OA.B.2: Know addition and subtraction facts within 20 by heart. The instruction to pupils is “Fill in both blanks”, and the answer key follows on the next sheet.

Which Common Core standard does Bridge Back Through Ten practise?

CCSS.MATH.CONTENT.2.OA.B.2 — 2.OA.B.2, in the Operations & Algebraic Thinking domain for Grade 2. The published standard reads: “Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Bridge Back Through Ten is written for Grade 2, typically ages 7-8. It is one of the sheets on 2.OA.B.2, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Bridge Back Through Ten come with an answer key?

Yes. All 12 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Bridge Back Through Ten can I print?

25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Bridge Back Through Ten free to print and photocopy?

Yes. Bridge Back Through Ten, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

More practice for 2.OA.B.2

Know addition and subtraction facts within 20 by heart.

All Grade 2 worksheets

Last reviewed 2026-09-05. Aligned to 2.OA.B.2 of the Common Core State Standards for mathematics.