Line GraphsThe graph for data that changes over time — and when not to use one.5th GradeA line graph shows change over time. If your x-axis is not time, you probablywant a bar chart.1TIME GOES ALONG THE BOTTOMAlways the x-axis: days, months, years.2PICK A SENSIBLE SCALEEven intervals. Starting somewhere other than zero exaggerateschanges.3PLOT AND JOINA dot per reading, joined with straight lines.4READ THE SLOPESteep up means fast increase. Flat means no change.A truncated y-axis is the commonest way graphs mislead. Alwayscheck where the scale starts.Line Graphslearnposters.com
Line Graphs — printable math wall chart from LearnPosters. Free vector PDF, US Letter and A4.

Line Graphs, step by step

A line graph shows change over time. If your x-axis is not time, you probably want a bar chart.

  1. TIME GOES ALONG THE BOTTOMAlways the x-axis: days, months, years.
  2. PICK A SENSIBLE SCALEEven intervals. Starting somewhere other than zero exaggerates changes.
  3. PLOT AND JOINA dot per reading, joined with straight lines.
  4. READ THE SLOPESteep up means fast increase. Flat means no change.

A truncated y-axis is the commonest way graphs mislead. Always check where the scale starts.

Questions about the Line Graphs poster

What’s on the Line Graphs poster?
4 numbered steps. A line graph shows change over time. If your x-axis is not time, you probably want a bar chart. TIME GOES ALONG THE BOTTOM — Always the x-axis: days, months, years.; PICK A SENSIBLE SCALE — Even intervals. Starting somewhere other than zero exaggerate…; PLOT AND JOIN — A dot per reading, joined with straight lines.; READ THE SLOPE — Steep up means fast increase. Flat means no change.. A truncated y-axis is the commonest way graphs mislead. Always check where the scale starts.
Who is the Line Graphs poster for?
Line Graphs is filed under 5th Grade (ages 10–11), so it matches what that year asks a child to remember. It is equally useful to an older student revisiting math, and to the parent or teacher answering the question at the kitchen table.
When should you use the Line Graphs poster?
Plot the temperature at the same time each day for a week. A wall chart earns its place by being glanceable from where the work is happening, so Line Graphs belongs on the wall where that math work actually happens, within glancing distance, rather than filed away.
What other posters go with Line Graphs?
Adding Unlike Fractions, Area & Perimeter and Sorting Shapes by Their Properties sit alongside Line Graphs in the 5th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Adding Unlike FractionsArea & PerimeterSorting Shapes by Their Properties
Is the Line Graphs poster free to download and print?
Yes. Line Graphs downloads as a free PDF with no account, no email and no watermark, like everything else in the 5th Grade set. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Line Graphs poster print at?
Line Graphs is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Line Graphs loses nothing.Printing guide

Related posters

Charts that sit alongside Line Graphs on the same wall.

Browse every 5th Grade poster, or start from the full catalogue.