untitled

Front

What is the sum of 1 and 1?

Back

The sum of 1 and 1 is 2.

Front

What is 50 plus 30?

Back

50 plus 30 equals 80.

Front

What is the definition of addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

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.

Front

What is the associative property of addition?

Back

The associative property of addition states that the way in which numbers are grouped in addition does not change the sum.

Front

What is the identity property of addition?

Back

The identity property of addition states that adding zero to any number does not change the value of that number.

Front

How do you solve a basic addition problem?

Back

To solve a basic addition problem, align the numbers vertically by place value and add each column starting from the right.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical problem that is presented in the form of a narrative or story.

Front

How can you identify the operation needed in a word problem?

Back

To identify the operation needed in a word problem, look for keywords such as 'total' for addition or 'difference' for subtraction.

Front

What is the importance of estimation in addition?

Back

Estimation helps to quickly assess the reasonableness of an answer before performing exact calculations.