Understanding Area and the FOIL Method

To measure the length of a line

To determine the volume of a cube

To calculate the area of a shaded rectangle

To find the perimeter of a rectangle

Because it involves three-dimensional shapes

Because it needs knowledge of calculus

Because it requires understanding of binomials

Because it involves complex numbers

First, Outer, Inner, Last

First, Only, Inner, Last

First, Outer, Inner, Least

First, Outer, Inside, Least

Multiply the outer terms

Multiply the first terms

Multiply the inner terms

Multiply the last terms

x^2 + 3x + 18

x^2 + 9x + 18

x^2 + 6x + 18

x^2 + 9x + 6

Fractional values

Decimal values

Negative values

Positive values

x^2 - 6x + 4

x^2 - 4x + 6

x^2 - 6x + 8

x^2 - 4x + 8

Divide the larger rectangle's area by the smaller rectangle's area

Add the areas of both rectangles

Subtract the smaller rectangle's area from the larger rectangle's area

Multiply the areas of both rectangles

9x + 8

9x + 10

15x + 10

15x + 8

Subtract it again

Multiply it

Add it

Ignore it