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: Fun With Four: Decomposing to Known Factors of 1, 2, and 5
Third graders act as problem solvers to take an unknown fact and solve it by breaking it down into pieces that are known.
Better Lesson
Better Lesson: Math With Maples
Patterns in division and multiplication can be found in nature, and an understanding of these patterns enables scientists to conduct systematic research.
Better Lesson
Better Lesson: Naming Arrays
After partners have worked with each other and have some practice creating arrays, it is time to challenge them to define the concept demonstrated by an array and how it can be used to solve problems.
Better Lesson
Better Lesson: Arrays Focusing on Rows and Columns
Third graders develop a meaning of multiplication through the use of arrays.
Better Lesson
Better Lesson: Variables
Children will learn the term variable and then work to "attack" a problem using what they know about the relationship between multiplication and division to solve for an unknown.
Better Lesson
Better Lesson: Multiply and Divide by 10
Counting by 10's is easy for students of this age. Knowing that base 10 can be used to help multiply and divide in the higher numbers by decomposing is critical. This lesson sets the base for future work.
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.
Better Lesson
Better Lesson: Tubing Tens Cool Off With an Imaginary River Adventure
If you know how to count by tens, you can solve multiplication problems in which ten is a factor.