Expanded Form
Standard Form
Place Value
Addition
Subtraction
100

Write 17 in expanded form.

10+7

100

Write 50+4 in standard form.

54

100

In the number 45, what place value is the 4 in ? 

Tens 

100

5 + 8 = 

13

100

10- 3 =

7

200

Write 49 in expanded form.

40+9

200

Write 80+8 in standard form.

88

200

In the number 28, what place value is the 8 in? 

Ones

200

22 + 23 =

45 
200

27 - 8 = 

19

300

Write 159 in expanded form.

100+50+9

300

Write 100+60+8 in standard form.

168

300

In the number 764, what place value is the 6 in? 

Tens 
300

70 + 5 = 

75

300

22 - 12 =

10

400

Write 690 in expanded form.

600+90

400

Write 100+90+6 in standard form.

196

400

In the number 872, what place value is the 8 in? 

Hundreds

400

45 + 62 =

107
400

86 -36 = 

50
500

Write 105 in expanded form.

100+5

500

Write 100+9 in standard form.

109

500

In the number 9,675, what place value is the 9 in? 

Thousands
500

86 + 29 = 

115

500

73 - 28 =

45