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Missing Change Stories is a free printable Grade 2 maths worksheet on the unknown in the middle of the story, aligned to Common Core standard 2.OA.A.1. It prints 6 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 6 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Missing Change Stories

2.OA.A.1

NameDate

Read carefully, then work out the answer.

1.Suki has 36 stickers. After finding some more, Suki has 39. How many were found?
Answer:
2.Freya has 13 pencils. After finding some more, Freya has 18. How many were found?
Answer:
3.Freya has 37 shells. After finding some more, Freya has 42. How many were found?
Answer:
4.Tomas has 34 shells. After finding some more, Tomas has 61. How many were found?
Answer:
5.Priya has 34 marbles. After finding some more, Priya has 51. How many were found?
Answer:
6.Zara has 10 conkers. After finding some more, Zara has 15. How many were found?
Answer:

LessonPrint · 2.OA.A.1 · Set 6 · free to copy for classroom use

Answer key — Missing Change Stories

Set 6. Prints on its own sheet.

  1. 1.3
  2. 2.5
  3. 3.5
  4. 4.27
  5. 5.17
  6. 6.5

Last reviewed 2026-09-05. Aligned to 2.OA.A.1 of the Common Core State Standards for mathematics.