Addition and subtraction with regrouping

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What do we call the answer to an addition problem?

Back

The answer to an addition problem is called the sum.

Front

What do we call the answer to a subtraction problem?

Back

The answer to a subtraction problem is called the difference.

Front

If you have 120 miles to travel and you have gone 51 miles, how do you find out how many miles are left?

Back

You subtract the miles traveled (51) from the total miles (120): 120 - 51 = 69 miles left.

Front

What is regrouping in addition?

Back

Regrouping in addition is when you carry over a value to the next column when the sum exceeds 10.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next column when the top number is smaller than the bottom number.

Front

Calculate: 32 + 59 = ?

Back

32 + 59 = 91.

Front

Calculate: 282 + 239 = ?

Back

282 + 239 = 521.

Front

Randy Rabbit had 347 carrots and ate 19. How do you find out how many he has left?

Back

You subtract the number of carrots eaten (19) from the total (347): 347 - 19 = 328.