The area of a circle is the space taken by the circle in a two-dimensional plane. In the figure below, notice that the space occupied or taken by the circle on the left is...
The volume of a sphere is how much space the sphere occupies. In the figure below, notice that the sphere on the left occupies less space than the sphere on the right. Therefore, the sphere...
The circumference of a circle, also called the perimeter of a circle, is the distance around a circle or any circular object such as a clock, a pizza, or a dinner plate. For example,...
Fractions are used to indicate the number of parts of a whole. Suppose you go to Domino's pizza and order a medium pizza. If your pizza has 8 slices and you did not eat...
Adding integers is the process of getting the sum of two, three, or more integers. The sum of two or more integers could become smaller, bigger, or just equal to zero. The addition of integers...
The surface area of a cylinder is the total area of the surface of the cylinder. The surface of a cylinder consists of two congruent parallel bases and the curved surface of the cylinder....
The surface area of a sphere is the total area of the curved surface of the sphere since the shape of a sphere is completely round.
Surface area of a sphere formula
Given the radius, the...
Here is a list of 30 important second grade math word problems that students must know how to solve in second grade.Â
1
Alex, Harley, and Olive are out orange picking. Alex has picked 8 oranges,...