Numbers and Operations in Base TenVideo Lessons

Use place value understanding and properties of operations to perform multidigit arithmetic (major work)

Big Ideas: Each place value to the left of another is 10 times greater than the one to the right (e.g., 100 = 10 x 10). This lesson builds on students’ understanding of the relationship between digits in a number. The task helps students understand that...

Big Ideas: Numbers can be decomposed into smaller parts and then composed to recreate that number. Numbers can be modeled in more than one way by composing the parts in different ways. This lesson continues to develop students' understanding of the stru...

Big Ideas: An area model can be used to multiply multidigit whole number by a single digit. In this lesson, students multiply multidigit whole numbers by single digit whole numbers using an area model. Fluency with the area model helps students later ...

Big Ideas: Decomposing factors based on place value and applying the distributive property is a reliable strategy for solving multiplication problems involving multidigit numbers. In this lesson, students work with decomposing multidigit numbers into ...