Addition and Subtraction with Regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is the process of carrying over a value from one column to the next when the sum of a column exceeds 9.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next column when the top number is smaller than the bottom number in a column.

Front

Solve: 297 + 468 = ?

Back

764

Front

Solve: 817 - 529 = ?

Back

288

Front

What is the sum of 246 and 553?

Back

799

Front

If Brittany has 9,123 pencils and breaks 7,654, how many does she have left?

Back

1,469 pencils

Front

What is the difference between 873,229 and 672,110?

Back

201,119

Front

Define addition.

Back

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

Front

Define subtraction.

Back

Subtraction is the mathematical operation of taking one number away from another.

Front

What does it mean to carry over in addition?

Back

Carrying over means transferring a value from one column to the next when the sum exceeds 9.