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Mark the Decimal is a free printable Grade 4 math worksheet on placing a decimal on a number line, aligned to Common Core standard 4.NF.C.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 3 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 Decimal

4.NF.C.6

NameDate

Mark each decimal with an arrow.

1.Mark 0.3 on the line.
01
2.Mark 0.72 on the line.
0.70.8
3.Mark 1.8 on the line.
012
4.Mark 2.55 on the line.
2.52.6
5.Mark 0.49 on the line.
0.40.5
6.Mark 2.56 on the line.
2.52.6

LessonPrint · 4.NF.C.6 · Set 3 · free to copy for classroom use

Answer key — Mark the Decimal

Set 3. Prints on its own sheet.

  1. 1.0.3 — 3 ticks from 0
  2. 2.0.72 — 2 ticks from 0.7
  3. 3.1.8 — 18 ticks from 0
  4. 4.2.55 — 5 ticks from 2.5
  5. 5.0.49 — 9 ticks from 0.4
  6. 6.2.56 — 6 ticks from 2.5

Last reviewed 2026-09-05. Aligned to 4.NF.C.6 of the Common Core State Standards for Mathematics.