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Mark the Number is a free printable Grade 2 math worksheet on placing a whole number on a number line, aligned to Common Core standard 2.MD.B.6. 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 students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 14 of 25 · the same problems every time you open this link.

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

Mark the Number

2.MD.B.6

NameDate

Mark each number with an arrow.

1.Mark 40 on the line.
050100
2.Mark 30 on the line.
02550
3.Mark 2 on the line.
01020
4.Mark 45 on the line.
02550
5.Mark 25 on the line.
02550
6.Mark 52 on the line.
405060

LessonPrint · 2.MD.B.6 · Set 14 · free to copy for classroom use

Answer key — Mark the Number

Set 14. Prints on its own sheet.

  1. 1.40 — 4 ticks from 0
  2. 2.30 — 6 ticks from 0
  3. 3.2 — 1 tick from 0
  4. 4.45 — 9 ticks from 0
  5. 5.25 — 5 ticks from 0
  6. 6.52 — 6 ticks from 40

Last reviewed 2026-09-05. Aligned to 2.MD.B.6 of the Common Core State Standards for Mathematics.