Express the area of a square with sides of $19$19 cm as a product of two numbers.
Area $=$=$\editable{}\times\editable{}$× cm2
Which of the following expressions are equal to the perimeter of a square with sides of $16$16 cm?
Which of the following expressions are equal to the volume of a cube with sides of $25$25 cm?
Express the surface area of a cube as a sum of the areas of each face.