Use Rows and Column Labels
Locate the named row, then use the requested column label.
About 12 minutes, plus any extended practice
Open lesson 1Read Small Data Tables Carefully
Build a pretend table with item codes 01,02,03 and counts 4,0,?. Explain which fields can be added and what the unknown prevents you from knowing.
Before you begin
- Read a short label and count up to ten.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Distinguish a Number from a Code
Use the field’s stated meaning before deciding whether arithmetic is meaningful.
About 12 minutes, plus any extended practice
Open lesson 2Keep Missing Values Different from Zero
Keep recorded zero and unknown separate when you interpret the table.
About 12 minutes, plus any extended practice
Open lesson 3Turn Categories into Counts
Count one occurrence per row of the requested label and keep unknown labels separate.
About 12 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
- 2026 CSTA PK–12 Computer Science Standards: topic reference — Data & Analysis
These references informed the topic selection. They do not certify complete standards alignment.