Addition

Front

What is addition?

Back

Addition is the mathematical process of finding the total or sum by combining two or more numbers.

Front

What is the sum of 6 and 12?

Back

18

Front

What is the sum of 9 and 20?

Back

29

Front

What is the sum of 200, 40, and 5?

Back

245

Front

What is the sum of 23 and 24?

Back

47

Front

What is the sum of 800, 80, and 0?

Back

880

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.

Front

What does the term 'sum' mean in mathematics?

Back

The sum is the result of adding two or more numbers together.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the numbers in an addition problem does not change the sum (e.g., 3 + 5 = 5 + 3).

Front

What is the associative property of addition?

Back

The associative property states that when adding three or more numbers, the way in which the numbers are grouped does not change the sum (e.g., (2 + 3) + 4 = 2 + (3 + 4)).