Skip to content
LessonPrint

Patterns — Adding is a free printable Grade 3 maths worksheet on spotting a constant added step, aligned to Common Core standard 3.OA.D.9. It prints 8 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 24 of 25 · the same problems every time you open this link.

Next setLesson plan

One paper per pupil

12345678910111213141516171819202122232425

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

Patterns — Adding

3.OA.D.9

NameDate

Write the missing numbers.

1.8162028
2.16283236
3.8122428
4.591725
5.5172125
6.19232739
7.5132125
8.371523

LessonPrint · 3.OA.D.9 · Set 24 · free to copy for classroom use

Answer key — Patterns — Adding

Set 24. Prints on its own sheet.

  1. 1.12, 24
  2. 2.20, 24
  3. 3.16, 20
  4. 4.13, 21
  5. 5.9, 13
  6. 6.31, 35
  7. 7.9, 17
  8. 8.11, 19

More practice for 3.OA.D.9

Spot and explain number patterns.

Teaching this next? Finding and Explaining Patterns is the 45-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3.OA.D.9 of the Common Core State Standards for mathematics.