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100

How many tens in 32?

3 tens

100

How many ones in 12?

2

100

42 + 35

77

100

63 + 14

77

100

55 + 34

89

200

How many tens in 18? 

1

200

How many ones in 43? 

3

200

57+22

79

200

81 + 16

97

200

64 + 23

87

300

How many tens in 79?

7

300

How many ones in 37?

7

300

48+37

85

300

52 + 31

83

300

74 + 12

86

400

how many tens in 94?

9

400

How many ones in 68?

8

400

59+27

86

400

64 + 18

82

400

45 + 29

74

500
How many tens in 99?
9
500

How many ones in 90?

0

500

74 +19

93

500

57 + 38

95

500

68 +19

87