Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 5.md,oa You Can Multiply Three Numbers in Any Order

For Teachers 5th Standards
The purpose of this task is for students to use the volume of a rectangular prism to see why you can multiply three numbers in any order you want and still get the same result. Aligns with 5.OA.A and 5.MD.C.5.
Lesson Plan
Better Lesson

Better Lesson: More Than Two Numbers

For Teachers 2nd Standards
The big idea of this instructional activity is that three (or more) numbers can be grouped together and added. The order of this grouping doesn't matter.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Ordering Numbers

For Teachers 1st - 2nd
Given a set of numbers, young scholars need to decide where to place another set of numbers so they are ordered from least to greatest. This is a good precursor to greater than/less than. A detailed example is included.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 2.nbt Ordering 3 Digit Numbers

For Teachers 2nd Standards
This lesson plan has students order numbers from least to greatest and vice versa.
Lesson Plan
Better Lesson

Better Lesson: Ordering Numbers: Unit Review and Test

For Teachers 1st Standards
SWBAT share their knowledge through the assessment provided
Lesson Plan
Better Lesson

Better Lesson: Introduction to Sorting by Color

For Teachers K Standards
Kindergarteners find classifying and ordering fascinating. In this lesson, students learn to sort by color.
Lesson Plan
Better Lesson

Better Lesson: Pre Test

For Teachers 6th Standards
What do students already know about integers, rational numbers, and the coordinate plane? What gaps do students have in their understanding? Students take the Unit 3 pretest in order to inform instruction.
eBook
Physics Classroom

The Physics Classroom: Light Waves and Color: The Path Difference

For Students 9th - 10th
After looking at a representative two-point source interference pattern with accompanying order numbers, students investigate the rationale behind the numbering system, and develop some mathematical equations that relate the features of...