Add and Subtract with Regrouping Practice

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 18 and 36?

Back

54

Front

What is the difference when you subtract 43 from 76?

Back

33

Front

What is the sum of 21 and 17?

Back

39

Front

What is the sum of 33 and 48?

Back

81

Front

What is the difference when you subtract 15 from 42?

Back

27

Front

How do you add two-digit numbers?

Back

Line up the numbers by place value, add the ones, and if needed, regroup to the tens.

Front

How do you subtract two-digit numbers?

Back

Line up the numbers by place value, subtract the ones, and if needed, regroup from the tens.

Front

What do you do if the ones place in subtraction is smaller than the number you are subtracting?

Back

You need to borrow from the next place value.