addition

Front

What is addition?

Back

Addition is a mathematical operation that combines two or more numbers to get a total or sum.

Front

What is the sum of 9 and 1?

Back

The sum of 9 and 1 is 10.

Front

What is the result of adding 3 and 10?

Back

The result of adding 3 and 10 is 13.

Front

What do you get when you add 3 and 7?

Back

When you add 3 and 7, you get 10.

Front

What is 4 plus 7?

Back

4 plus 7 equals 11.

Front

What is the sum of 7 and 1?

Back

The sum of 7 and 1 is 8.

Front

How do you perform addition with two numbers?

Back

To perform addition with two numbers, align them vertically by place value and add each column starting from the right.

Front

What is the commutative property of addition?

Back

The commutative property of addition states that changing the order of the addends does not change the sum (e.g., a + b = b + a).

Front

What is the associative property of addition?

Back

The associative property of addition states that the way in which numbers are grouped does not change their sum (e.g., (a + b) + c = a + (b + c)).

Front

What is a number line and how is it used in addition?

Back

A number line is a visual representation of numbers in a straight line. It is used in addition to show the distance between numbers and to visualize the sum.