OER Teachers' Network

resource name: Hopping on the Number Line - All about Multiplication

url:
http://illuminations.nctm.org/LessonDetail.aspx?ID=L316

students' age group:

academic subject:

description of resource:
In this lesson, students generate products using the number line model. This model highlights the measurement aspect of multiplication and is a distinctly different representation of the operation. The order (commutative) property of multiplication is also introduced.

Lesson One of Four lessons in a unit, All about Multiplication:
http://illuminations.nctm.org/LessonDetail.aspx?ID=U109
In this unit, students explore several meanings and representations of multiplication (number line, equal sets, arrays, and balanced equations). They also learn about the order (commutative) property of multiplication, the results of multiplying by 1 and by 0, and the inverse property of multiplication. In addition, students write story problems in which the operation of multiplication is required.

use again rating: 5
travel well rating: 4