Read a Picture Graph with a One-Item Key
Read the key before counting the supplied category’s symbols.
About 15 minutes, plus any extended practice
Open lesson 1Build and Read Whole-Unit Data Displays
Use picture graphs, bar graphs, whole-unit line plots, and category comparisons.
Before you begin
- Count and compare categories; read whole-number lengths.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Read Bar Height from a Whole-Number Scale
Use the supplied zero-to-count description.
About 15 minutes, plus any extended practice
Open lesson 2Represent Each Measurement on a Line Plot
Read each supplied whole-unit length and place one mark above its number.
About 15 minutes, plus any extended practice
Open lesson 3Combine and Compare Category Records
Use only the stated category counts.
About 15 minutes, plus any extended practice
Open lesson 4Review and transfer
After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.
Open the unit reviewGuest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.
Topic references
- Common Core State Standards, mathematics: 2.MD.D.9 — Use picture graphs, bar graphs, whole-unit line plots, and category comparisons.
- Common Core State Standards, mathematics: 2.MD.D.10 — Use picture graphs, bar graphs, whole-unit line plots, and category comparisons.
These references informed the topic selection. They do not certify complete standards alignment.