Adding 3 digit numbers

Front

What is the sum of 422 and 309?

Back

731

Front

Calculate the sum of 367 and 155.

Back

522

Front

What do you get when you add 123 and 785?

Back

908

Front

Find the sum of 256 and 456.

Back

712

Front

If there are 189 animals at one zoo and 158 at another, how many animals are there in total?

Back

347

Front

What is the definition of addition in mathematics?

Back

Addition is the process of calculating the total of two or more numbers or amounts.

Front

What is a three-digit number?

Back

A three-digit number is a number that has three digits, ranging from 100 to 999.

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

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

Front

How do you carry over in addition when the sum exceeds 9?

Back

When the sum of a column exceeds 9, you write down the last digit and carry over the first digit to the next column.