Show:
Without Regrouping
With regrouping
Adding 3 numbers
Place Value
100

23+50

73

100

45+25

70

100

12 + 38 + 21

71

100

How many ones are in this number?

19

200
45+43=
88
200

23+37=

60

200

50 + 19 + 15

84

200

How many tens are in this number?

86

300

12+63=

75

300

38+55=

93

300

25 + 25 + 18

68

300
Draw the number of tens in this number. 

63

400

55 + 24

79

400

48+47=

95

400

75 + 8 + 15

98

400

Draw the number of ones in this number

45

500
77+12=
89
500

48+52=

100

500

47 + 16 + 19

82

500

Draw the number of tens and ones in this number. 

99