Practice 12/10

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 helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Evaluate the expression: 18 + (6 – 2) × 2

Back

26

Front

What is the first step in solving the expression: (3 + 4) × 9 + 3?

Back

The first step is to solve the parentheses: (3 + 4) = 7.

Front

In the expression 10 - 4 ÷ 1 × 5, which operation is performed first?

Back

Division is performed first.

Front

Evaluate the expression: (2 × 8) - 9 + 7

Back

14

Front

What does 5^4 mean?

Back

5^4 means 5 raised to the power of 4, which equals 625.

Front

What is multiplication?

Back

Multiplication is one of the four basic arithmetic operations, representing the repeated addition of a number.

Front

What is the result of 6 × 7?

Back

42

Front

What is the difference between addition and subtraction?

Back

Addition combines two or more numbers to get a total, while subtraction removes one number from another.

Front

What is an exponent?

Back

An exponent is a number that shows how many times a base is multiplied by itself.