Dimensions-aligned · Semester 3B
Chapter 13 · Area and Perimeter
area/perimeter reasoning
In this chapter you will learn area/perimeter reasoning. This is an original, self-study-friendly chapter following the public Dimensions Math 3B sequence. It contains worked models, immediate checks, practice, deeper reasoning, and answers.
7lessons
2practice units
26review questions
24practice exam
Chapter content internally reviewed; external educator and learner testing are still pending. This is not a formal placement test.
Lessons and consolidation
01
AreaInstructional lesson
02Units of AreaInstructional lesson
03Area of RectanglesInstructional lesson
04Area of Composite FiguresInstructional lesson
05Practice AConsolidation and explanation
06PerimeterInstructional lesson
07Perimeter of RectanglesInstructional lesson
08Area and PerimeterInstructional lesson
09Practice BConsolidation and explanation