8th Grade Math Vocabulary Worksheets

Are you searching for a way to reinforce essential math terminology with your 8th-grade students? Look no further. Our 8th Grade Math Vocabulary Worksheets are the perfect resource for helping your students become fluent in the language of mathematics. Designed to engage and challenge students, these worksheets cover a wide range of math topics, ensuring that every student has the opportunity to expand their understanding and improve their mathematical communication skills.

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  8th Grade Printable Worksheets

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What is the definition of integer?

An integer is a whole number that can be positive, negative, or zero, and does not include fractions or decimals. In mathematical terms, integers are represented by the set of numbers {..., -3, -2, -1, 0, 1, 2, 3, ...}.

Define exponents.

Exponents are mathematical notation used to indicate the repeated multiplication of a number by itself. They are represented as a small number written above and to the right of a base number, indicating how many times the base number is multiplied by itself. For example, 5^3 represents 5 multiplied by itself three times, resulting in 5 * 5 * 5 = 125.

What are the properties of addition?

The properties of addition include commutative property (changing the order of addends does not change the sum), associative property (grouping of addends does not change the sum), identity property (sum of any number and zero is the original number), and closure property (sum of two numbers is always a number).

Explain the concept of mean in statistics.

The mean in statistics is a measure of central tendency that represents the average of a set of values. It is calculated by adding up all the values in the data set and then dividing by the total number of values. The mean is often used to describe the typical value in a data set and is influenced by all the values in the dataset. It is sensitive to extreme values, which can skew the result, making it important to consider the distribution of the data when interpreting the mean.

Define circumference and give the formula.

The circumference of a circle is the distance around its outer perimeter. The formula to calculate the circumference of a circle is C = 2?r, where C is the circumference, ? is a constant approximately equal to 3.14159, and r is the radius of the circle.

What is the difference between acute and obtuse angles?

Acute angles are angles that measure less than 90 degrees, while obtuse angles are angles that measure more than 90 degrees but less than 180 degrees. Acute angles are smaller than right angles (90 degrees), while obtuse angles are larger.

Explain the concept of volume in geometry.

Volume in geometry refers to the amount of space occupied by a three-dimensional object. It is a measurement of how much a solid figure can hold or contain. Volume is typically expressed in cubic units, such as cubic meters or cubic centimeters, and can be calculated using various formulas depending on the shape of the object, such as a cube, cylinder, sphere, or pyramid. The volume of an object helps determine its capacity, fill, or overall size in three-dimensional space.

Define the term "function" in algebra.

In algebra, a function is a mathematical relationship between two sets of values, typically represented as symbols, such that each member of the first set (the domain) is associated with exactly one member of the second set (the range). Functions are often denoted by an equation, formula, or a rule that assigns an output value to each input value.

What is the meaning of the term "ratio" and how is it represented?

A ratio is a comparison between two quantities indicating how many times one value contains or is contained within the other. It is typically represented in the form of a fraction or with a colon between the two numbers. For example, a ratio of 2:3 or 2/3 indicates that the first quantity is 2/3 the size of the second quantity.

Define the concept of probability and give an example.

Probability is a measure of the likelihood of an event occurring, typically expressed as a number between 0 (indicating impossibility) and 1 (indicating certainty). For example, consider the probability of rolling a six on a fair six-sided die. Since there is only one outcome of rolling a six out of six total possible outcomes, the probability of rolling a six is 1/6 or approximately 0.167.