Elementary Math

Front

What is the result of 212 + 1?

Back

213

Front

How do you represent the sum of 4 blocks and 2 blocks using symbols?

Back

∎∎∎∎ (4) + ∎∎ (2) = ⎕ (6)

Front

What is 657 - 57?

Back

600

Front

What does the sign '-' represent in mathematics?

Back

Subtraction

Front

What is the sum of 9 and 10?

Back

19

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 definition of subtraction?

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 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 the identity property of addition?

Back

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