Basic Addition
Basic Subtraction
Regrouping Addition
Regrouping Subtraction
?
100

23+13

46

100

46-24

22

100

34+59

93

100

84-26

58

100

400-183

217

200

34+12

46

200

68-34

34

200

56+58

114

200

42-8

34

200

Second grade has 249 pencils.  She gives her students 128 pencils.  One of her students brings her 29 pencils.  How many does she have now? 

150

300

87+3

90

300

85-12

73

300

67+24

91

300

74-26

48

300

400-267

133

400

33+16

49

400

54-24

30

400

56+46

112

400

32-14

18

400

Sam needs 85 pictures to complete the album.  He has 45 pictures.  His mom gives him 18 more pictures.  How many more does he need to complete the album?

22

500

l5+20

35

500

75-24

51

500

48+23

71

500

650-325

325

500

600-284

316