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

One paper per student

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

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

Make a Line Plot — Half Inches

3.MD.B.4

NameDate

Draw the line plot.

Lengths of shells, in inches: 4, 4 1/2, 5, 5, 3, 5, 3, 4 1/2, 4, 4 1/2, 3 1/2, 4 1/2. Draw an X above the line for each one.

Lengths of worms, in inches: 6, 5 1/2, 4 1/2, 5, 6, 5, 4, 6, 4, 6. Draw an X above the line for each one.

Lengths of ribbon pieces, in inches: 2, 2, 2 1/2, 2, 3, 2, 3, 3. Draw an X above the line for each one.

Lengths of shells, in inches: 3, 4 1/2, 4 1/2, 3, 3, 4 1/2, 3, 4 1/2, 4 1/2, 3 1/2, 4 1/2, 5, 5, 3 1/2. Draw an X above the line for each one.

LessonPrint · 3.MD.B.4 · Set 20 · free to copy for classroom use

Answer key — Make a Line Plot — Half Inches

Set 20. Prints on its own sheet.

1.3: 2, 3 1/2: 1, 4: 2, 4 1/2: 4, 5: 3
2.4: 2, 4 1/2: 1, 5: 2, 5 1/2: 1, 6: 4
3.2: 4, 2 1/2: 1, 3: 3
4.3: 4, 3 1/2: 2, 4 1/2: 6, 5: 2

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.