Adding with regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is when you combine numbers that are more than 10 and carry over to the next place value.

Front

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

Back

You regroup by carrying over 1 to the next column.

Front

What is the sum of 21 and 47?

Back

68

Front

What is the sum of 39 and 93?

Back

132

Front

What is the sum of 64 and 29?

Back

93

Front

What is the sum of 54 and 28?

Back

82

Front

If you add 8 and 5, what do you do?

Back

You regroup because 8 + 5 = 13, so you write down 3 and carry over 1.

Front

What is the first step in adding two-digit numbers?

Back

Line up the numbers by place value (ones under ones, tens under tens).

Front

What is the place value of the digit 4 in the number 54?

Back

The place value of 4 in 54 is the tens place.

Front

What is the place value of the digit 7 in the number 87?

Back

The place value of 7 in 87 is the ones place.