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Make a Line Plot — Half Inches is a free printable Grade 3 math worksheet on plotting lengths measured to the nearest half inch, aligned to Common Core standard 3.MD.B.4. It prints 4 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 1 of 25 · the same problems every time you open this link.

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All 25 sets ask different questions.

Make a Line Plot — Half Inches

3.MD.B.4

NameDate

Draw the line plot.

1.
22 1/233 1/244 1/255 1/26
Lengths of pencils, in inches: 3 1/2, 3 1/2, 4 1/2, 4, 2 1/2, 4, 3, 3 1/2, 3 1/2, 2 1/2, 4 1/2, 3 1/2. Draw an X above the line for each one.
2.
22 1/233 1/244 1/255 1/26
Lengths of beetles, in inches: 4, 3, 2 1/2, 2, 2, 2, 2 1/2, 2 1/2, 2. Draw an X above the line for each one.
3.
22 1/233 1/244 1/255 1/26
Lengths of leaves, in inches: 6, 5, 6, 6, 4 1/2, 6, 6, 5 1/2, 5, 6, 4. Draw an X above the line for each one.
4.
22 1/233 1/244 1/255 1/26
Lengths of ribbon pieces, in inches: 6, 5, 4, 4, 6, 4, 5 1/2, 4 1/2, 5, 6. Draw an X above the line for each one.

LessonPrint · 3.MD.B.4 · Set 1 · free to copy for classroom use

Answer key — Make a Line Plot — Half Inches

Set 1. Prints on its own sheet.

  1. 1.2 1/2: 2, 3: 1, 3 1/2: 5, 4: 2, 4 1/2: 222 1/2××3×3 1/2×××××4××4 1/2××55 1/26
  2. 2.2: 4, 2 1/2: 3, 3: 1, 4: 12××××2 1/2×××3×3 1/24×4 1/255 1/26
  3. 3.4: 1, 4 1/2: 1, 5: 2, 5 1/2: 1, 6: 622 1/233 1/24×4 1/2×5××5 1/2×6××××××
  4. 4.4: 3, 4 1/2: 1, 5: 2, 5 1/2: 1, 6: 322 1/233 1/24×××4 1/2×5××5 1/2×6×××

Questions about Make a Line Plot — Half Inches

What does the Make a Line Plot — Half Inches worksheet cover?

It practices plotting lengths measured to the nearest half inch — 4 questions for Grade 3, all on Common Core 3.MD.B.4: Measure lengths to the nearest half or quarter inch and show them on a line plot. The instruction to students is “Draw the line plot”, and the answer key follows on the next sheet.

Which Common Core standard does Make a Line Plot — Half Inches practice?

CCSS.MATH.CONTENT.3.MD.B.4 — 3.MD.B.4, under Measurement & Data for Grade 3. The published standard reads: “Generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch. Show the data by making a line plot, where the horizontal scale is marked off in appropriate units— whole numbers, halves, or quarters.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Make a Line Plot — Half Inches is written for Grade 3, typically ages 8-9. It is one of the sheets on 3.MD.B.4, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.

Does Make a Line Plot — Half Inches come with an answer key?

Yes. All 4 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 Make a Line Plot — Half Inches can I print?

25 — one per student, 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 Make a Line Plot — Half Inches free to print and photocopy?

Yes. Make a Line Plot — Half Inches, 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.

Is there a lesson plan to teach 3.MD.B.4?

Yes — “Line Plots to the Quarter Inch” is a 50-minute Grade 3 plan for 3.MD.B.4, timed section by section, with the misconceptions to expect and an exit ticket. Make a Line Plot — Half Inches is the practice that follows it.

More practice for 3.MD.B.4

Measure lengths to the nearest half or quarter inch and show them on a line plot.

Teaching this next? Line Plots to the Quarter Inch is the 50-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3.MD.B.4 of the Common Core State Standards for Mathematics.