# Expanded Form - Ten Thousands

This lesson is about writing numbers to ten thousands in expanded form.

First, you will copy the worksheet so that each student will have a copy.

Then, you will write draw a chart on the board to show the students what they will do on their worksheet.

For the number 31,457, you can draw a chart to show:

Ten Thousands Thousands Hundreds Tens Ones

Then, you will place the numbers in the right place value.

3 1 4 5 7

The value of the 3 is 30,000. There are 3 ten thousands, which equals 30,000

The value of the 1 is 1,000. There are 1 thousand, which equals 1,000.

The value of the 4 is 400. There are 4 hundreds, which equals 400.

The value of the 5 is 50. There are 5 tens, which equals 50.

The value of the 7 is 7. There are 7 ones, which equals 7.

Expanded form of 31,457 = 30,000 + 1,000 + 400 + 50 + 7

After that, you will pass out the worksheet so they can work on them independently.

Worksheet - Writing Numbers in Expanded Form

Directions: Write the following numbers in expanded form.

1. 43,236 =

2. 32,345 =

3. 66,495 =

4. 85,398 =

5. 76,275 =

6. 67,190 =

7. 22,496 =

8. 14,325 =

9. 78,833 =

10. 67,439 =

11. 52,530 =

12. 34,254 =

13. 43,947 =

14. 13,393 =

15. 27,543 =

16. 94,212 =

17. 28,384 =

18. 35,642 =

19. 91,423 =

20. 18,421 =
Answer Sheet

1. 43,236 = 40,000 + 3,000 + 200 + 30 + 6

2. 32,345 = 30,000 + 2,000 + 300 + 40 + 5

3. 66,495 = 66,000 + 6,000 + 400 + 90 + 5

4. 85,398 = 80,000 + 5,000 + 300 + 90 + 8

5. 76,275 = 70,000 + 6,000 + 200 + 70 + 5

6. 67,190 = 60,000 + 7,000 + 100 + 90 + 0

7. 22,496 = 20,000 + 2,000 + 400 + 90 + 6

8. 14,325 = 10,000 + 4,000 + 300 + 20 + 5

9. 78,833 = 70,000 + 8,000 + 800 + 30 + 3

10. 67,439 = 60,000 + 7,000 + 400 + 30 + 9

11. 52,530 = 50,000 + 2,000 + 500 + 30 + 0

12. 34,254 = 30, 000 + 4,000 + 200 + 50 + 4

13. 43,947 = 40,000 + 3,000 + 900 + 40 + 7

14. 13,393 = 1,000 + 3,000 + 300 + 90 + 3

15. 27,543 = 20,000 + 7,000 + 500 + 40 + 3

16. 94,212 = 90,000 + 4,000 + 200 + 10 + 2

17. 28,384 = 20,000 + 8,000 + 300 + 80 + 4

18. 35,642 = 30,000 + 5,000 + 600 + 40 + 2

19. 91,423 = 90,000 + 1,000 + 400 + 20 + 3

20. 18,421 = 10,000 + 8,000 + 400 + 20 + 1

Each one is worth five points for a total of 100 points.

100 to 90 = A

89 to 80 = B

79 to 70 = C

69 to 60 = D

Below 60 = F

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