place value
expanded form
two digit addition
two digit subtraction
skip counting
100

What place value is the 2 in?

27

tens place

100

23

20+3

100

12+6=?

18

100

14-5=?

9

100

what is the next number?

2, 4, 6, ?

8

200

what place value is the 8 in?

18

the ones place

200

86

80+6

200

34+10=?

44

200

28-6=?

22

200

what is the next number?

5, 10, 15, 20, 25, ?

30

300

what place value is the 2 in?

129

the tens place

300

30

30+0

300

22+19=?

41

300

45-10=?

35

300
what is the next number?


30, 40, 50, 60, 70, ?

80

400

what place value is the 4 in?

456

the hundreds place

400

125

100+20+5

400

56+31=?

87

400

66-6=?

60

400

whats the next number?

120, 220, 320, 420, ?

520

500

what place value is the 1 in?

1,267

the thousands place

500

989

900+80+9

500

79+15=?

94

500

53-28=?

25

500

whats the next number?

85, 80, 75, 70, 65, ?

60