order of operation practice

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

Solve: 5 x 6 - (9 - 4)

Back

25

Front

What does rounding mean?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. For example, rounding 26.82 to the nearest whole number gives 27.

Front

Solve: (7 x 5) + (6 x 4)

Back

59

Front

What is division?

Back

Division is the process of splitting a number into equal parts. For example, dividing 12 by 3 means splitting 12 into 3 equal parts, which gives 4.

Front

If 3,888 books are shared equally among 12 classes, how many books does each class receive?

Back

324 books

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

Solve: What is the value of the expression (6 x 12) - (9 x 2)?

Back

54

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, x, ÷) that represents a value. For example, 3x + 2 is an expression.

Front

What does it mean to evaluate an expression?

Back

Evaluating an expression means calculating its value by substituting numbers for variables and performing the operations.