Multiply Equal Groups with Labels
Draw the supplied groups with the same number of marks in each.
About 15 minutes, plus any extended practice
Open lesson 1Multiply and Understand Both Meanings of Division
Interpret equal groups, equal sharing, group counting, and missing factors.
Before you begin
- Add repeated equal groups; recognize a rectangular array.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Divide by Finding Each Share’s Size
Make the stated number of share boxes.
About 15 minutes, plus any extended practice
Open lesson 2Divide by Finding the Number of Groups
Make groups containing the stated number of objects.
About 15 minutes, plus any extended practice
Open lesson 3Use Division to Find an Unknown Factor
Read the known product and factor.
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: 3.OA.A.1 — Interpret equal groups, equal sharing, group counting, and missing factors.
- Common Core State Standards, mathematics: 3.OA.A.2 — Interpret equal groups, equal sharing, group counting, and missing factors.
- Common Core State Standards, mathematics: 3.OA.A.3 — Interpret equal groups, equal sharing, group counting, and missing factors.
- Common Core State Standards, mathematics: 3.OA.A.4 — Interpret equal groups, equal sharing, group counting, and missing factors.
These references informed the topic selection. They do not certify complete standards alignment.