Illustrative Mathematics
Illustrative Mathematics: 3.oa Markers in Boxes
The purpose of this task is for students to compare two problems that draw on the same context but represent the two different interpretations of division, namely, the How many groups? interpretation and the How many in each group?...
Illustrative Mathematics
Illustrative Mathematics: 3.oa Fish Tanks
The purpose of this task is to provide an opportunity for students to demonstrate that they can interpret within a given context the meaning of whole number quotients. Aligns with 3.OA.A.2. CCSS.Math.Content.3.OA.A.2 Interpret...
Better Lesson
Better Lesson: Finding What's Missing
Third graders can solve real world problems using their understanding of multiplication and division and the relationship they share.
Better Lesson
Better Lesson: Quotients Just the Basics
Just like multiplication, addition, and subtraction, division problems involve patterns and there are methodical ways in which manipulatives can be used to solve division problems with small dividends and divisors of 1 through 10.
Better Lesson
Better Lesson: Understanding Multiplication With Equal Groups
Third graders develop their understanding of multiplication by grouping objects into equal groups to model the factors and products.
Better Lesson
Better Lesson: Using the Multiplication and Division Relationship to Solve
Third graders can solve multiplication and division problems quickly by recognizing the relationship between the two operations.
Better Lesson
Better Lesson: The Multiplication and Division Connection
Third graders can solve multiplication and division problems quickly by recognizing the relationship between the two operations.