Show:
Base-ten Addition
Base-ten Subtraction
Open number line Addition
Open number line Subtraction
100

34 + 22

56

100

88-67

21

100

13+86

99

100

46-22

24

200

19+21

40

200

79-25

54

200

45+35

80

200

55-26

19

300

47+38

85

300

46-28

18

300

66+27

93

300

72-35

37