one more
ten more
one less
ten less
more and less
100

14+1=__

15

100

50+10=__

60

100

23-1=__

22

100

82-10=__

72

100

one more than 64

65

200

22+1= __

23

200

82+10=__

92

200

56-1=__

55

200

55-10=__

45

200

one less than 27

26

300

one more than 55

56

300

ten more than 12

22

300

one less than 78

77

300

ten less than 23

13

300

ten more than 33

43

400

99+1=__

100

400

ten more than 55

65

400

one less than 26

25

400

ten less than 56

46

400

ten less than 87

77

500

one more than 83

84

500

ten more than 89

99

500

one less than 100

99

500

ten less than 12

2

500

28-10=__

18