Addition
Subtraction
Skip counting
Place value
Expanded form
100

10+10=

20

100

20-5=

15

100

10,20,30,___

40

100

Which number is in the 1's place: 

35

5

100

37

30+7

200

23+32=

55

200

49-16=

33

200

5,10,15,____

20

200

Which number is in the 10's place:

60

6

200

346

300+40+6

300

58+31=

89

300

67-15

52

300

50,60,70,___

80

300

Which number is in the 100's place:

173

1

300

702

700+00+2

400

49+27=

76

400

82-49=

33

400

100,110,120,130,___

140

400

Please write the following number:

Two hundred and seventy - five

275

400

200+50+9

259

500

359+127=

486

500

193-65=

128

500

100,105,110,115,120,____

125

500

Please write the following number:

Nine hundred and four

904

500

600+30+0

630