Regrouping, Addition, Regrouping

Regrouping with Base Ten

100

22+48

70

200

25+25

50

300

33+19

52

400

75+18

93

500

78+13

91

Regrouping with 100s chart

100

11+49

60

200

45+38

83

300

68+15

83

400

44+29

73

500

64+18

82

Regrouping with Expanded form

100

12+8

20

200

13+28

41

300

28+36

64

400

83+29

112

500

58+39

97

Regroup any way you want

100

55+29

84

200

18+4

22

300

28+19

47

400

9+8

17

500

67+15

82

Story problems

100

13 students are working on Dreambox while 8 students are working on Lexia. How many students total are in the classroom?

21 students

200

Farmer Joe's garden has 19 tomato plants. Today, he planted 17 more seeds. How many tomato plants will he have in all?

36 tomato plants

300

Josh got 34 questions on the reading test correct and 26 questions correct o the listening test. How many questions did he answer correctly in total?

60 questions

400

Our school has 44 classrooms. Featherstone Elementary School has 28 classrooms. How many classrooms do both schools have together?

72 classrooms

500

I ate 87 Tootsie Pops last week and 18 Tootsie Pops this week. How many have I eaten in the past two weeks?

105 Tootsie Pops