Compare Lengths from the Same Starting Place
Draw the supplied strips using equal-sized boxes and align their left ends.
About 12 minutes, plus any extended practice
Open lesson 1Compare Attributes and Sort Groups
Compare length, height, weight models, and counts in categories.
Before you begin
- Use longer, shorter, more, and fewer with read-aloud support.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Compare Height from One Ground Line
Draw the stated towers on one horizontal ground line using equal blocks.
About 12 minutes, plus any extended practice
Open lesson 2Use a Balance Model to Compare Weight
Read which side of the pretend balance is lower.
About 12 minutes, plus any extended practice
Open lesson 3Sort by One Rule and Count Each Group
Sort the supplied list into its two stated categories.
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
- Common Core State Standards, mathematics: K.MD.A.1 — Compare length, height, weight models, and counts in categories.
- Common Core State Standards, mathematics: K.MD.A.2 — Compare length, height, weight models, and counts in categories.
- Common Core State Standards, mathematics: K.MD.B.3 — Compare length, height, weight models, and counts in categories.
These references informed the topic selection. They do not certify complete standards alignment.