NY Next Generation Math NY-2.MD.10

Math2nd GradeRepresent and interpret data.

The Standard

Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a picture graph or a bar graph.

New York State Next Generation Mathematics Learning Standards

Teacher's field guide

What This Standard Means

What Students Need to Do

Students draw picture graphs and single-unit bar graphs for data in no more than four categories. They use the graphs to solve simple joining, separating, and comparison questions.

What Mastery Looks Like

A student graphs four favorite-fruit categories with one picture or bar unit for each vote and labels every category. The student uses the graph to find totals and differences accurately.

Common Misconceptions

Students may use one picture for several data points, create uneven bar intervals, or omit labels. They may compare bar heights without counting the single units.

How to Assess It

Give data for four pets with counts 6, 4, 3, and 5. Ask students to draw a single-unit bar graph and answer one total and one comparison question.

Lesson moves

Ways to Teach It

  1. Build a picture graph from sorted response cards, then transfer the same data to a single-unit bar graph.

  2. Ask students how the two graph types show the same category count.

  3. Play graph-question match with put-together, take-apart, and comparison prompts for four-category displays.

  4. Graph four classroom choices and use the results to plan materials for the most selected option.

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