Addition & Subtraction

Front

What is the result of 10 - 3?

Back

7

Front

What is the result of 20 - 9?

Back

11

Front

What is the result of 2 + 5?

Back

7

Front

What is the result of 1 + 5?

Back

6

Front

What is the result of 9 - 2?

Back

7

Front

Define addition in mathematical terms.

Back

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

Front

Define subtraction in mathematical terms.

Back

Subtraction is the mathematical operation of taking one number away from another.

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

What is the identity property of addition?

Back

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