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How Do You Find the Area of a Quarter Circle?

area of a quarter circle: Image of a blue circle with a quarter of it separated and colored red

Finding the perimeter and area of a quarter circle is a good exercise in working with the two circle formulas you should be aware of: the formulas for the perimeter and area. Let's review these two formulas:

Circumference = 2ℼr

Area = ℼr²

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What You Need to Know About Proportional Relationships

Graph of a proportional relationship

A proportional relationship, sometimes known as the constant of proportionality, relates two quantities according to a common ratio. In other words, the same proportion!

If you are in seventh grade and looking to review common core state standards (CCSS), you will need to be familiar with this term. Not only will you see it in school, but you'll find it has many real-world applications. Let's dive in!

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What Do Consecutive Integers Represent In Math Problems?

consecutive integers: Colorful number blocks

What do consecutive integers mean, and how do you approach consecutive integer problems? Well, consecutive simply means "in a row." So, the term consecutive integers just means "numbers in a row."

1, 2, 3, 4, 5 are a series of five consecutive integers.

1, 3, 5, 7 are a series of consecutive odd integers.

-12, -11, -10, -9, -8 are a consecutive series of negative integers.

And so on!

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6 Types of Fractions You Need to Know

types of fractions: Pizza cut into four slices with one slice shaded

There's a total number of six different types of fractions. The three major types are proper fractions, improper fractions, and mixed fractions. Let's explore the properties of a fraction and define each type.

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Is Zero an Integer? Yes — Here’s Why

is zero an integer: Number line that shows whole numbers are integers

You know zero is a rational number. But is zero an integer? To find out, let's review the definition of an integer: A number with no decimals or fractional components. By this definition alone, zero would classify as an integer.

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