Addition to 20

Front

What is the sum of 13 and 4?

Back

17

Front

What is the result of adding 11 and 4?

Back

15

Front

Calculate 7 plus 10.

Back

17

Front

What do you get when you add 8 and 4?

Back

12

Front

What is 0 plus 11?

Back

11

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.

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.

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 showing the distance between numbers.

Front

What is the identity property of addition?

Back

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