Place Value
Old School Algorithm or hundreds chart
Break apart or partial differences
Regrouping/ place value models
Random
100

29-19

what is 10

100

26-13

what is 

13

100

32-11

what is

21

100

19-10

what is 

9

100

Gabby has 42 toys. She gets rid of 20 toys. How many toys does Gabby have left over?

What is 

22

200

43-34

what is 9

200

42-29

what is

13

200

49-18

what is

31

200

48-26

what is 

22

200

Onika buys 55 pieces of candy on Monday. She eats 29 pieces of candy on Tuesday. How many pieces of candy does Onika have left?

What is

26

300

62-20

what is 42

300

79-28

what is 

51

300

67-13

what is

54

300

59-28

what is

31

300

Austin buys 78 books. He buys some on Saturday. He  buys 13 on Sunday. How many books did Austin buy on Saturday?

What is

65

400

75-41

what is 

34

400

91-17

what is

74

400

77-33

what is

44

400

99-14

what is 

85

400

Ms. E gets 25 balloons on Friday. She gets 42 balloons on Saturday. On Sunday 38 balloons fly away. How many balloons does Ms. E have left?

What is

29

500

99-83

what is

16

500

100-25

what is

75

500

100-68

what is

32

500

101-81

what is 

20

500

Ms. Readous has 26 students. Ms. E take some students on a trip. Ms. Janelle stays behind with 4 students. How many students went on the trip?

What is

22