Addition and Subtraction 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 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 21 and 47?

Back

68

Front

What is the difference when you subtract 31 from 74?

Back

43

Front

What do you get when you add 75 and 19?

Back

94

Front

What is 92 minus 89?

Back

3

Front

What is the result of adding 91 and 33?

Back

124

Front

How do you check your addition?

Back

You can check your addition by adding the numbers in a different order or by using subtraction.

Front

How do you check your subtraction?

Back

You can check your subtraction by adding the difference to the smaller number to see if you get the larger number.

Front

What is a place value?

Back

Place value is the value of where a digit is in a number, such as ones, tens, hundreds.