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

76 - 39 = ?

Back

37

Front

93 - 27 = ?

Back

66

Front

40 + 62 = ?

Back

102

Front

21 + 47 = ?

Back

68

Front

91 + 33 = ?

Back

124

Front

What does it mean to add?

Back

Adding means putting together two or more numbers to find a total.

Front

What does it mean to subtract?

Back

Subtracting means taking one number away from another to find the difference.

Front

What is the sum of 10 and 5?

Back

15