Comparing Numbers/ Addition and Subtraction with Regrouping

Front

50-18=

Back

32

Front

Leah planted a tree that was 13 inches tall. After a few months it grew to 60 inches tall. How much did it grow?

Back

47 inches

Front

102-23=

Back

79

Front

63-25=

Back

38

Front

20-14=

Back

6

Front

604 + 207 =

Back

811

Front

509 + 372 =

Back

881

Front

83 + 19

Back

102

Front

What is borrowing in addition?

Back

Taking from the lower place value. Example) taking from the ones to give to the tens

Front

What is borrowing in subtraction?

Back

Taking from higher place value. Example) taking from the tens to give to the ones.