First, students will learn how to make picture graphs.
Creating picture and bar graphs by Khan Academy
Create picture graphs (picture more than 1) by Khan Academy
Next, students will learn how to solve basic word problems that involve reading a picture graph.
Solving problems with picture graphs by Khan Academy
Read picture graphs by Khan Academy
After that, students will learn how to solve multi-step word problems that involve reading a picture graph.
Watch these Khan Academy videos:
Next, students will learn how to choose an appropriate scale for picture graphs. For example, if the data contains 25, 75, 100, 150, 200, the appropriate scale would be 25.
Outside of math education, I have only seen pictograms and picture graphs with whole numbers of objects. For example, 1 in 9 people might be represented by 8 people being grayed out. I have never seen a quantity depicted by halves of shapes, such as in this video, and this one. Should we teach picture graphs with half shapes?
Next, give your students this challenge:
Six to Four by NRICH
Conclude by leading this investigation:
The Broken Sword (addition, division, mini-mathematical universe)
by MathPickle
3.MD.B.3: Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one- and two-step "how many more" and "how many less" problems using information presented in scaled bar graphs. For example, draw a bar graph in which each square in the bar graph might represent 5 pets.