Q2 Benchmark Math 24-25 - 8th Grade

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What is a solution to an equation?

Back

A solution to an equation is a value that makes the equation true. It can be one solution, no solution, or infinite solutions.

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What is the formula for the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated using the formula P = 2(length + width).

Tags

CCSS.3.MD.D.8

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What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Tags

CCSS.5.NBT.A.2

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What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it has a non-repeating, non-terminating decimal expansion.

Tags

CCSS.8.NS.A.1

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How do you convert a number in scientific notation to standard form?

Back

To convert a number from scientific notation to standard form, multiply the coefficient by 10 raised to the power indicated.

Front

What is the difference between one solution, no solution, and infinite solutions in equations?

Back

One solution means there is exactly one value that satisfies the equation. No solution means no value satisfies the equation. Infinite solutions mean any value satisfies the equation.

Tags

CCSS.8.EE.C.7A

Front

What is the significance of the perimeter in geometry?

Back

The perimeter is the total distance around a shape, which is important for understanding the size and dimensions of geometric figures.

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How do you identify if a number is rational or irrational?

Back

To identify if a number is rational, check if it can be expressed as a fraction. If it cannot, it is irrational.

Front

What does it mean for a number to be expressed in standard form?

Back

Standard form is a way of writing numbers using digits, without exponents or scientific notation.

Tags

CCSS.8.EE.A.3

Front

What is the approximate value of the square root of 169?

Back

The approximate value of the square root of 169 is 13.

Tags

CCSS.8.NS.A.2