Simple Addition

Front

What is the result of adding zero to any number?

Back

The result is the same number. For example, 5 plus 0 equals 5.

Front

What is the sum of 6 and 3?

Back

The sum of 6 and 3 is 9.

Front

What is the result of adding 4 and 2?

Back

The result is 6.

Front

What is the sum of 5 and 5?

Back

The sum of 5 and 5 is 10.

Front

What is the result of adding 2 and 5?

Back

The result is 7.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the addends does not change the sum. For example, 2 + 3 = 3 + 2.

Front

What is the associative property of addition?

Back

The associative property states that the way in which numbers are grouped in addition does not change the sum. For example, (1 + 2) + 3 = 1 + (2 + 3).

Front

What is the identity property of addition?

Back

The identity property states that the sum of any number and zero is that number. For example, n + 0 = n.

Front

How do you add two single-digit numbers?

Back

To add two single-digit numbers, count up from the first number by the value of the second number.

Front

What is a number line and how is it used in addition?

Back

A number line is a visual representation of numbers in order. It can be used to add numbers by starting at one number and moving to the right by the value of the second number.