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 is 10 or more, requiring you to carry over to the next column.

Front

What does it mean to round to the nearest hundred?

Back

Rounding to the nearest hundred means adjusting a number to the closest multiple of 100.

Front

What is the sum of 432 and 468?

Back

900

Front

How do you round 126 to the nearest hundred?

Back

126 rounds to 100 because it is closer to 100 than to 200.

Front

What is the sum of 126 and 171 after rounding to the nearest hundred?

Back

300

Front

What is the sum of 207 and 238?

Back

445

Front

How do you round 11 to the nearest ten?

Back

11 rounds to 10 because it is closer to 10 than to 20.

Front

What is the sum of 11 and 16 after rounding to the nearest ten?

Back

30 (10 + 20 = 30).

Front

What is the sum of 494 and 313?

Back

807

Front

What does it mean to carry over in addition?

Back

Carrying over is when you move a value from one column to the next in addition when the sum exceeds the base value (like 10 in base 10).