Expanded Form
Standard Form
Rounding
Addition/Subtraction
1

Write the following number in expanded form:

   3,489

3,000 + 400 + 80 + 9 = 3,489

1

Use commas to write the following number in standard form:

   2356

2,356

1

Round to the nearest ten:

           82

80

1

8,456 + 3,261 = 

11,717


2

Write the following number in expanded form:

   572

500 + 70 + 2 = 572


2

Use commas to write the following number in standard form:

   53467

53,467

2

Round to the nearest ten:

           176

180

2

42,846 - 11,672 = 

31,174

3

Write the following number in expanded form:

   32,723

30,000 + 2,000 + 700+ 20 + 3 = 32,723

3

Use commas to write the following number in standard form:

   234908

234,908

3

Round to the nearest hundred:

           723

700

3

7,892 + 3,451 = 

11,343

4

Write the following number in expanded form:

   9,345

9,000 + 300 + 40 + 5 = 9,345

4

1234567

1,234,567

4

Round to the nearest hundred:

           2,593

2,600

4

23,618 - 12,862 = 

10,756

5

Write the following number in expanded form:

   87,953

80,000 + 7,000 + 900 + 50 + 3 = 87,953

5

Use commas to write the following number in standard form:

   4356

4,356

5

Round to the nearest hundred:

           23,121

23,100

5

55,617 + 12,132 = 

67,749

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