Addition Facts

Front

What is the sum of 8 and 2?

Back

10

Front

What is the result of adding 6 and 1?

Back

7

Front

What do you get when you add 9 and 1?

Back

10

Front

What is the sum of 5 and 7?

Back

12

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 states that changing the order of the numbers being added does not change the sum (e.g., a + b = b + a).

Front

What is the associative property of addition?

Back

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

Front

What is the identity property of addition?

Back

The identity property states that adding zero to any number does not change the number (e.g., a + 0 = a).

Front

How can you check your addition?

Back

You can check your addition by using the inverse operation, subtraction, to see if the sum minus one of the addends equals the other addend.

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 starting at one number and moving to the right by the value of the second number.