Numbers

Front

What is multiplication?

Back

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

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

How do you calculate the total number of items when some are added and some are removed?

Back

To find the total, subtract the number of items removed from the initial amount and then add the number of items added. For example, if you start with 342 items, remove 87, and then add 150, the equation is 342 - 87 + 150.

Front

What does it mean to order numbers from least to greatest?

Back

Ordering numbers from least to greatest means arranging them in ascending order, starting with the smallest number and ending with the largest.

Front

What is the value of an expression?

Back

The value of an expression is the result you get after performing all the operations in the expression. For example, in the expression 30 - (5 × 2^3 - 15), the value is 5.

Front

What is a mathematical equation?

Back

A mathematical equation is a statement that asserts the equality of two expressions, often containing variables and constants. For example, 2 + 3 = 5 is an equation.

Front

What is the significance of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in a mathematical expression, helping to clarify the order of operations.

Front

What is the difference between addition and multiplication?

Back

Addition combines two or more numbers to get a total, while multiplication combines groups of equal size. For example, 2 + 3 = 5 (addition) and 2 x 3 = 6 (multiplication).

Front

How do you solve a problem involving multiple operations?

Back

To solve a problem with multiple operations, follow the order of operations (PEMDAS) to determine the correct sequence of calculations.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical question presented in a narrative form, requiring the reader to extract relevant information and perform calculations to find a solution.