8TH GRADE MATH REVIEW

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero. Examples include -3, -2, -1, 0, 1, 2, 3.

Front

In the Pythagorean Theorem, what does 'c' represent?

Back

In the Pythagorean Theorem, 'c' represents the length of the hypotenuse, which is the longest side of a right triangle.

Front

Order the following from greatest to least: 0.35, ⅜, 42%, ⅘, 0.2

Back

The order from greatest to least is: ⅘, 42%, ⅜, 0.35, 0.2.

Front

What is the Pythagorean Theorem?

Back

The Pythagorean Theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). It is expressed as a² + b² = c².

Front

How is 0.0000713 expressed in scientific notation?

Back

0.0000713 is expressed in scientific notation as 7.13 x 10^-5.

Front

What are whole numbers?

Back

Whole numbers are non-negative numbers without fractions or decimals. They include 0, 1, 2, 3, and so on.

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero. Examples include 1/2, -3, and 0.75.

Front

What is the difference between natural numbers and whole numbers?

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...), while whole numbers include all natural numbers plus zero (0, 1, 2, 3, ...).

Front

What is the formula for converting a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 0.25.

Front

What is the formula for finding the area of a triangle?

Back

The area of a triangle is calculated using the formula: Area = 1/2 * base * height.