Basic Addition Facts Single Digit

Front

What is the sum of 8 and 9?

Back

17

Front

What is the sum of 6 and 7?

Back

13

Front

What is the sum of 7 and 7?

Back

14

Front

What is the sum of 8 and 6?

Back

14

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 in an addition problem 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 in an addition problem does not change the sum (e.g., (a + b) + c = a + (b + c)).

Front

What is a double in addition?

Back

A double in addition refers to adding a number to itself (e.g., 7 + 7).

Front

What is the identity property of addition?

Back

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

Front

What is the sum of two single-digit numbers?

Back

The sum of two single-digit numbers can range from 0 (0 + 0) to 18 (9 + 9).