Front

What is the sum of 1 and 1?

Back

The sum of 1 and 1 is 2.

Front

What is the definition of addition in mathematics?

Back

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

Front

What is the identity property of addition?

Back

The identity property of addition states that the sum of any number and zero is that number.

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

How do you represent addition using symbols?

Back

Addition is represented by the plus sign (+).

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, used to illustrate addition by moving to the right for positive sums.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to form a total, while subtraction removes one number from another.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical question presented in a narrative form, requiring interpretation and problem-solving.

Front

How can you check your addition?

Back

You can check your addition by using the inverse operation of subtraction or by estimating the sum.