3-digit addition/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: 353 + 918 = ?

Back

1271

Front

Solve: 967 - 899 = ?

Back

68

Front

Solve: 918 - 871 = ?

Back

47

Front

Solve: 985 + 606 = ?

Back

1591

Front

Solve: 188 + 924 = ?

Back

1112

Front

What do you do when the sum of a column is greater than 9?

Back

You regroup by carrying over 1 to the next column.

Front

What do you do when you need to subtract a larger number from a smaller number in a column?

Back

You regroup by borrowing 1 from the next column.

Front

What is the sum of 200 + 300 + 400?

Back

900