Interpreting Products: Groupings and Arrays
3rd Grade • Half Day Lesson PlanQuick Facts
Subject: Math, Operations and Algebraic Thinking
Type: Half Day Lesson Plan
CCSS: 3.OA.A1
Skills: Multiplication, Grouping, Interpreting Products, Skip Counting, Rows and Columns, & Arrays
Materials Needed: blank paper (3 pieces per student), pencils, crayons/colored pencils, colored chips/counters, scratch paper, or personal dry erase boards and markers and document camera or whiteboard
Printable Resources: Optional: “Exit Slips” (1 copy per student); Optional: “Repeated Addition and Multiplication: Groupings” (1 copy per student); Optional: “Creating Arrays: Commutative Property” (1 copy per student); Optional:“1-9 Number Cards” (2 copies per group) –or- have students write number cards on index cards or construction paper. (Need 2 sets of numbers 1-9.); Optional: “So Many Ways, So Little Time! Groupings and Arrays” directions sheet (1 copy for display –or- 1 copy per group)
Lesson Plan Description
This half day of lesson plans is broken down into 3 separate segments (30-60 minutes each) addressing interpreting products: using groupings and arrays, repeated addition and skip counting (3.OA.A1). These lessons include: key math vocabulary, helpful student notes for reference, guided and independent practice of concepts, and a game to reinforce the concept of interpreting products using arrays.
- Segment 1: students will recognize the relationship between multiplication and repeated addition and show products in multiplication as a multiplication equation matching “a” number of groups with “b” number of objects in each group.
- Segment 2: students will recognize the relationship between multiplication and repeated addition and show products in multiplication as an array of rows and columns.
- Segment 3: students will show products in multiplication as a multiplication equation matching “a” number of groups with “b” number of objects in each group and show products in multiplication as an array of rows and columns or an area model.
These lessons can be taught over the span of a half day or you can use the lessons independently, broken up over several days.