Adding Numbers

Front

What is the sum of 170 and 343?

Back

513

Front

What is the sum of 1965 and 1172?

Back

3137

Front

What is the sum of 348 and 279?

Back

627

Front

What is the sum of 212 and 489?

Back

701

Front

What is the sum of 335 and 806?

Back

1141

Front

What is the definition of addition in mathematics?

Back

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

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 (e.g., a + b = b + a).

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 (e.g., (a + b) + c = a + (b + c)).

Front

What is a carry in addition?

Back

A carry is a value that is transferred to the next higher place value when the sum of a column exceeds 9.

Front

How do you add multi-digit numbers?

Back

To add multi-digit numbers, align the numbers by their place values, add each column starting from the rightmost column, and carry over if necessary.