Question 1

Find the missing number.

$\begin{array}{lr}
\mathrm{ } & 34\
\mathrm{+} & 5\
\hline
\end{array}$

Accepted Answer

39

Answer

49

Answer

48

Answer

38

Question 2

Find the missing number.

$\begin{array}{lr}
\mathrm{ } & 56\
\mathrm{+} & 3\
\hline
\end{array}$

Accepted Answer

59

Answer

68

Answer

69

Answer

58

Question 3

Find the missing number.

$\begin{array}{lr}
\mathrm{ } & 56\
\mathrm{+} & 3\
\hline
\end{array}$

Accepted Answer

67

Answer

76

Answer

77

Answer

64

Question 4

$40 + 50 = \boxed{\phantom{0}}$

The correct answer is

Accepted Answer

90

Answer

54

Answer

9

Answer

45

Question 5

$40 + 50 = \boxed{\phantom{0}}$

The correct answer is

Accepted Answer

88

Answer

78

Answer

80

Answer

70

Question 6

$40 + 50 = \boxed{\phantom{0}}$

The correct answer is

Accepted Answer

38

Answer

28

Answer

48

Answer

11

Question 7

Find the missing number.

$\begin{array}{lr}
\mathrm{ } & 34\
\mathrm{+} & 5\
\hline
\end{array}$

Accepted Answer

79

Answer

97

Answer

16

Answer

89

Question 8

$40 + 50 = \boxed{\phantom{0}}$

The answer is

Accepted Answer

78

Answer

88

Answer

68

Answer

87

Question 9

Find the missing number.

$\begin{array}{lr}
\mathrm{ } & 56\
\mathrm{+} & 3\
\hline
\end{array}$

Accepted Answer

83

Answer

73

Answer

88

Answer

93

Question 10

Find the missing number.

$\begin{array}{lr}
\mathrm{ } & 56\
\mathrm{+} & 3\
\hline
\end{array}$

Accepted Answer

72

Answer

68

Answer

64

Answer

62

Question 11

$40 + 50 = \boxed{\phantom{0}}$

The answer is

Accepted Answer

20

Answer

2

Answer

12

Answer

10

Question 12

$40 + 50 = \boxed{\phantom{0}}$

The answer is

Accepted Answer

16

Answer

20

Answer

18

Answer

12

Question 13

Find the missing number.

$\begin{array}{lr}
\mathrm{ } & 56\
\mathrm{+} & 3\
\hline
\end{array}$

Accepted Answer

5

Answer

7

Answer

4

Answer

3

Question 14

Find the missing numbers.

$\begin{array}{lr}
\mathrm{ } & 56\
\mathrm{+} & 3\
\hline
\end{array}$

Accepted Answer

A=9&#44; B=2

Answer

A=3&#44; B=3

Answer

A=8&#44; B=2

Answer

A=9&#44; B=3

Question 15

Find the missing numbers.

$\begin{array}{lr}
\mathrm{ } & 34\
\mathrm{+} & 5\
\hline
\end{array}$

Accepted Answer

A=5&#44; B=7

Answer

A=4&#44; B=7

Answer

A=5&#44; B=6

Answer

A=6&#44; B=7

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