Show:
2 Addends
3 Addends
4 Addends
Missing Part (2 Addends)
Missing Part (3 Addends)
100

12+28=

40

100

15+19+22=

56

100

13+21+11+42=

87

100

14+__=49

35

100

10=8+1+__

1

200

15+42=

57

200

26+11+16=

53

200

8+16+24+10=

58

200

15+__=42

27

200

15=__+5+5

5

300

35+42=

77

300

=22+34+43

99

300

9+17+15+29=

70

300

27+__=82

55

300

20+__+19=55

16

400

=32+19

51

400

=44+12+23

79

400

=26+7+12+21

66

400

31+__=63

32

400

40+15+_=80

25

500

=42+59

101

500

=42+12+19

73

500

11+22+33+44=

110

500

27+__=48

21

500

100=25+__+40

35