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 does regrouping mean in addition?

Back

Regrouping in addition means to carry over a value from one column to the next when the sum exceeds 10.

Front

What does regrouping mean in subtraction?

Back

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

Front

Solve: 456 + 389 = ?

Back

845

Front

Solve: 732 - 489 = ?

Back

243

Front

What is the sum of 25 and 37?

Back

62

Front

What is the difference between 100 and 47?

Back

53

Front

If you have 15 apples and you give away 7, how many do you have left?

Back

8 apples

Front

What is the first step in solving 58 + 27?

Back

Add the ones place: 8 + 7 = 15, write down 5 and carry over 1.