Expanded Form - Hundreds
This lesson is about writing numbers to hundreds 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 349, you can draw a chart to show:
Hundreds Tens Ones
Then, you will place the numbers in the right place value.
Hundreds Tens Ones
3 4 9
The value of the 3 is 300. There are 3 hundreds, which equal 300.
The value of the 4 is 40. There are 4 tens, which equal 40.
The value of the 9 is 9. There are 9 ones, which equal 9.
Expanded form of 349 = 300 + 40 + 9
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. 236 =
2. 345 =
3. 495 =
4. 598 =
5. 675 =
6. 790 =
7. 296 =
8. 425 =
9. 833 =
10. 739 =
11. 230 =
12. 354 =
13. 454 =
14. 139 =
15. 543 =
16. 912 =
17. 284 =
18. 342 =
19. 642 =
20. 421 =Answer Sheet
1. 236 = 200 + 30 + 6
2. 345 = 30 + 4 + 5
3. 495 = 40 + 9 + 5
4. 598 = 500 + 90 + 8
5. 675 = 600 + 70 + 5
6. 790 = 700 + 90 + 0
7. 296 = 20 + 9 + 6
8. 425 = 400 + 20 + 5
9. 833 = 800 + 30 + 3
10. 739 = 700 + 30 + 9
11. 230 = 200 + 30 + 0
12. 354 = 300 + 50 + 4
13. 454 = 400 + 50 + 4
14. 139 = 100 + 30 + 9
15. 543 = 500 + 40 + 3
16. 912 = 900 + 10 + 2
17. 284 = 200 + 80 + 4
18. 342 = 300 + 40 + 2
19. 642 = 600 + 40 + 2
20. 421 = 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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