Addition with Regrouping

Front

What is Addition with Regrouping?

Back

Addition with regrouping is a method used to add numbers that require carrying over a value to the next column when the sum exceeds 9.

Front

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

Back

You regroup by carrying over the extra value to the next column on the left.

Front

394 + 97 = ?

Back

491

Front

207 + 238 = ?

Back

445

Front

524 + 191 = ?

Back

715

Front

What is rounding?

Back

Rounding is the process of adjusting a number to the nearest specified place value.

Front

How do you round to the nearest hundred?

Back

Look at the tens digit. If it is 5 or more, round up. If it is less than 5, round down.

Front

Round 1,872 to the nearest hundred.

Back

1,900

Front

How do you round to the nearest ten?

Back

Look at the ones digit. If it is 5 or more, round up. If it is less than 5, round down.

Front

Round 35 to the nearest ten.

Back

40