Benchmark Math 8th Grade

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Tags

CCSS.7.NS.A.3

Front

Solve: 9 - 5 + 1

Back

5

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What does 'x' represent in the equation x - 9 = 19?

Back

In the equation x - 9 = 19, 'x' represents the unknown value that can be found by adding 9 to both sides, resulting in x = 28.

Tags

CCSS.6.EE.B.5

Front

Solve: 14 - 3 x 1

Back

11

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the value of 6 raised to the power of 3?

Back

216

Tags

CCSS.6.EE.A.1

Front

What is the value of 5 squared?

Back

25

Tags

CCSS.6.EE.A.1

Front

What is the result of 8 + 2 x 5?

Back

18 (according to PEMDAS, multiplication is done before addition).

Tags

CCSS.7.NS.A.3

Front

What is the value of 10 - 4 + 2?

Back

8

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the definition of an exponent?

Back

An exponent is a number that indicates how many times to multiply the base by itself. For example, in 3^2, 3 is the base and 2 is the exponent, meaning 3 x 3.

Tags

CCSS.6.EE.A.1

Front

What is the solution to the equation 2x + 3 = 11?

Back

x = 4 (subtract 3 from both sides and then divide by 2).

Tags

CCSS.7.EE.B.4A