Lessons for 3.MD.C.7C
The area modelA rectangle whose side lengths are the factors and whose area is the product.Lesson
The distributive propertyMultiply a sum by multiplying each part: the idea behind every multiplication method.Lesson
Partial productsBreaking both factors by place, multiplying every pair, then adding the pieces.Lesson
Measuring area with unit squaresCovering a shape with same size squares that touch without gaps, then counting themLesson
Printable Worksheets
The area model worksheet (PDF)Printable worksheet with answer keyPreview
The distributive property worksheet (PDF)Printable worksheet with answer keyPreview
Partial products worksheet (PDF)Printable worksheet with answer keyPreview
Measuring area with unit squares worksheet (PDF)Printable worksheet with answer keyPreview