2-Digit Addition

2 Addends

100

12+28=

40

200

15+42=

57

300

35+42=

77

400

=32+19

51

500

=42+59

101

3 Addends

100

15+19+22=

56

200

26+11+16=

53

300

=22+34+43

99

400

=44+12+23

79

500

=42+12+19

73

4 Addends

100

13+21+11+42=

87

200

8+16+24+10=

58

300

9+17+15+29=

70

400

=26+7+12+21

66

500

11+22+33+44=

110

Missing Part (2 Addends)

100

14+__=49

35

200

15+__=42

27

300

27+__=82

55

400

31+__=63

32

500

27+__=48

21

Missing Part (3 Addends)

100

10=8+1+__

1

200

15=__+5+5

5

300

20+__+19=55

16

400

40+15+_=80

25

500

100=25+__+40

35