Conjunctions: Connecting Words and Phrases

What is a Conjunction? While short sentences are easy to read, they may not be able to fully convey what you mean. Concise is okay. Too short is sometimes not. Likewise, long sentences that try to squeeze in a lot of thoughts may be hard to follow as readers will eventually get tired of reading it and feel like in …

Surface Area of a Cylinder: Formula & Examples

Let’s learn how to determine the surface area of a cylinder. What is a Cylinder? A cylinder is a tube-shaped object with two same-sized circular bases, parallel straight sides, and a circular or oval cross-section. Its height is the distance between the two bases, while the radius is the distance from the center of a base to any point on the …

Volume of a Cylinder: Formula & Examples

Let’s learn how to determine the volume of a cylinder. What is a Cylinder? A cylinder is a tube-shaped object with two same-sized circular bases, parallel straight sides, and a circular or oval cross-section. Its height is the distance between the two bases, while the radius is the distance from the center of a base to any point on the same …

Volume of a Sphere: Formula & Examples

Let’s learn how to determine the volume of a sphere. What is a Sphere? A sphere is a perfectly symmetrical three-dimensional shape whose all surface points are equidistant from the center. The distance from the center to any point on the surface is called the radius. Twice the radius is the diameter or the line segment that passes through the center. …

Mean Median Mode: Measures for Data Sets

Let’s learn how to determine the mean, median, and mode. Once in a while, you probably stare at a group of numbers – grocery prices, scores in a test, monthly sales, ages of your family members – and think how to make sense of them. These groups of numbers are also called data sets. A data set is a collection …

Perimeter of a Rectangle: Formula & Examples

Let’s learn how to determine the perimeter of a rectangle. What is a Rectangle? A rectangle is a four-sided flat shape with two pairs of parallel and congruent lines that form a right angle on each of the four sides. A rectangle is also called a parallelogram – a quadrilateral whose opposite sides are equal and parallel. By this definition, …

Area of a Circle: Formula & Examples

Let’s learn how to determine the area of a circle. A circle is a shape containing a set of points that are equidistant from a given point. The point is called the center, and the distance from the center to any point in the circle is called the radius.  Twice the length of the radius is called the diameter – …

Subject Verb Agreement: Match Your Words

In writing and speaking, it’s important that your subject and verb agree so you can get your message across. Subject and verb agreement (SVA) mainly refers to how the words in your sentence match.  One of the most important things to remember is that subject and verb must agree in number – so, you need to determine whether the words …

Modifiers: Detailing Your Sentences

What is a Modifier? Modifiers are words or phrases that modify, describe, or add more details to another word in a sentence. Adverbs and adjectives are modifiers, so are phrases and clauses. Adverbs modify a verb, an adjective, or another adverb. Adjectives modify a noun or pronoun. Words may form phrases and clauses to modify another word.  He arrived early. …

Use a Colon: Make a List, Note What Follows

What is a Colon? Although rarely used compared to commas and semicolons, a colon (:) is convenient for listing items, words, or phrases. A colon is written like a stack of two periods and can be read as “note what follows.” How to Use a Colon: Here’s a quick guide on how to use a colon:  1. Use a colon …