Addition with Regrouping

Front

What is addition with regrouping?

Back

Addition with regrouping is a method used when the sum of two digits in a column exceeds 9, requiring the 'extra' value to be carried over to the next column.

Front

How do you perform addition with regrouping?

Back

To perform addition with regrouping, align the numbers by place value, add each column starting from the right, carry over any value greater than 9 to the next column.

Front

What is the sum of 207 and 238?

Back

The sum of 207 and 238 is 445.

Front

If a shop sold 145 donuts and has 45 left, how many did it start with?

Back

The shop started with 190 donuts.

Front

What is the sum of 582 and 230?

Back

The sum of 582 and 230 is 812.

Front

How do you find the total distance driven if Mrs. Griffey drove 278 miles on Tuesday and 342 miles on Wednesday?

Back

Add the two distances: 278 + 342 = 620 miles.

Front

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means adjusting a number to the closest multiple of ten.

Front

What is the result of rounding 11 and 16 to the nearest ten and then adding?

Back

Rounding 11 to 10 and 16 to 20 gives 10 + 20 = 30.

Front

What is the importance of place value in addition?

Back

Place value is crucial in addition as it determines the position of each digit and how they contribute to the total sum.

Front

What is a carry in addition?

Back

A carry occurs when the sum of a column exceeds 9, and the extra value is moved to the next left column.