2 digit addition with multiples of 10

Front

38 + 20 = ?

Back

58

Front

45 + 40 = ?

Back

85

Front

27 + 30 = ?

Back

57

Front

15 + 10 = ?

Back

25

Front

44 + 20 = ?

Back

64

Front

What is 10 more than 30?

Back

40

Front

What is 20 more than 50?

Back

70

Front

What is 30 more than 20?

Back

50

Front

What is 40 more than 10?

Back

50

Front

What is 50 more than 30?

Back

80