Third Grade · Math · week 33

Scaled bar graphs

Read and make scaled bar graphs where each square stands for more than one.

A bar graph shows data with bars — taller means more. In a SCALED graph, each grid step stands for more than one (maybe 2, 5, or 10). Always read the scale first!

To read a value, see where the bar ends and use the scale. If each step is 5 and the bar reaches the 4th step, that is 4 × 5 = 20. Making graphs uses your multiplication.

📋 For the teacher
Teach it (10–15 min):
  • Collect real data (favorite fruits) and graph it with a scale of 2 or 5.
  • Always ask "what does each step stand for?" first.
  • Use multiplication to read values and comparison questions to interpret.
  • Point out how a scale keeps big data from needing a giant graph.
Talk about it:
  • What does "scaled" mean on a bar graph?
  • How do you find a bar value with a scale of 5?
  • Why read the scale first?

Mastery looks like: They read and build scaled bar graphs and answer comparison questions using the scale.

Common stumbles: Reading each step as 1; ignoring the scale; miscounting steps.

Homework for this lessonType it, write it with a stylus, or print it for pencil & paper.open →
Records attendance + 15 min of Math for this learner.
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