subtracting and adding 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 is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next place value to subtract a larger number from a smaller number.

Front

What is the sum of 49 and 28?

Back

77

Front

What is the difference when you subtract 39 from 76?

Back

37

Front

What is 47 plus 16?

Back

63

Front

What is 23 plus 48?

Back

71

Front

What is 62 minus 23?

Back

39

Front

How do you add two-digit numbers?

Back

Add the ones place first, then the tens place, and regroup if necessary.

Front

How do you subtract two-digit numbers?

Back

Subtract the ones place first, then the tens place, and regroup if necessary.

Front

What does it mean to carry over in addition?

Back

Carrying over means moving a value from one column to the next when the sum exceeds 10.