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A multiple of a number is the product of that number and an integer. For example, multiples of 3 include 3, 6, 9, 12, etc.

Odd numbers are integers that cannot be divided evenly by 2. Examples include 1, 3, 5, 7, etc.

Even numbers are integers that can be divided evenly by 2. Examples include 2, 4, 6, 8, etc.

To find the next number in a pattern, identify the rule that governs the pattern (e.g., adding, subtracting, multiplying) and apply it to the last number.

An expression is a combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

The sum of 134 and 309 is 443.

She has 298 pictures left to color.

The product of 4 and 5 is 20.

A rule in mathematics is a guideline that describes how to perform a specific operation or solve a problem.

To add a number means to combine it with another number to find the total.