Separate Defining Attributes from Color
Read the supplied feature choices.
About 15 minutes, plus any extended practice
Open lesson 1Use Shape Attributes to Build and Describe
Distinguish defining features, build flat composites, and describe solid models.
Before you begin
- Name triangle, rectangle, circle, cube, and cylinder.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Build a Rectangle from Adjacent Squares
Use the supplied number of equal squares in one straight row.
About 15 minutes, plus any extended practice
Open lesson 2Describe a Solid Made from Smaller Solids
Use the supplied layer description.
About 15 minutes, plus any extended practice
Open lesson 3Describe a Piece and the Composite Whole
Read the stated cut or composition.
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: 1.G.A.1 — Distinguish defining features, build flat composites, and describe solid models.
- Common Core State Standards, mathematics: 1.G.A.2 — Distinguish defining features, build flat composites, and describe solid models.
These references informed the topic selection. They do not certify complete standards alignment.