numbers

Front

What is a number?

Back

A number is a mathematical object used to count, measure, and label. Numbers can be whole numbers, fractions, or decimals.

Front

What is the difference between even and odd numbers?

Back

Even numbers are integers that can be divided by 2 without a remainder (e.g., 2, 4, 6). Odd numbers are integers that cannot be divided by 2 evenly (e.g., 1, 3, 5).

Front

What is a place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the 3 is in the hundreds place, so it represents 300.

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers. For example, 2 + 3 = 5.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. For example, 5 - 2 = 3.

Front

What is multiplication?

Back

Multiplication is the process of adding a number to itself a certain number of times. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

What is division?

Back

Division is the process of splitting a number into equal parts. For example, 12 ÷ 3 = 4 means splitting 12 into 3 equal parts of 4.

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point. For example, 0.5 is the decimal representation of 1/2.

Front

What is a whole number?

Back

Whole numbers are non-negative numbers without fractions or decimals. They include 0, 1, 2, 3, and so on.