![Page 1: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/1.jpg)
Subtraction Of Whole Numbers Using An Expanded Method
(the last step towards using a standard written method for subtraction)
For more maths help & free games related to this, visit: www.makemymathsbetter.com
Part 2 of 5: Subtraction with adjustment from the hundreds.
![Page 2: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/2.jpg)
Subtraction Of Whole Numbers Using An Expanded Method
(the last step towards using a standard written method for subtraction)
For more maths help & free games related to this, visit: www.makemymathsbetter.com
Part 2 of 5: Subtraction with adjustment from the hundreds.It is important that you have already viewed and understood part 1
before you go any further.
![Page 3: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/3.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285
400
200
30
80
6
5_
![Page 4: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/4.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens.
400
200
30
80
6
5_
![Page 5: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/5.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.
400
200
30
80
6
5_
300
![Page 6: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/6.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
400
200
130
80
6
5_
300
![Page 7: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/7.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
400
200
130
80
6
5_
1
300The units should then be subtracted.
![Page 8: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/8.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
400
200
130
80
6
5_
150
300
Followed by the tens
![Page 9: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/9.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
400
200
130
80
6
5_
150100
300
Then the hundreds
![Page 10: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/10.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
400
200
130
80
6
5_
150100 + + = 151
300
Finally, add the numbers together to find the total
![Page 11: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/11.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
![Page 12: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/12.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
1 Start with the units
![Page 13: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/13.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
1 Start with the units
![Page 14: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/14.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
1 Then make an adjustment from the hundreds
![Page 15: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/15.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
1
3
Then make an adjustment from the hundreds
![Page 16: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/16.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
1
3
Then make an adjustment from the hundreds to the tens
![Page 17: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/17.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
1
3 13
Then make an adjustment from the hundreds to the tens
![Page 18: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/18.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
5 1
3 13
Then, subtract the tens
![Page 19: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/19.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
5 1
3 13
Then, subtract the tens
![Page 20: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/20.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
1 5 1
3 13
And, finally subtract the hundreds
![Page 21: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/21.jpg)
When subtracting, the tens in the bigger number is sometimes smaller than the tens in the smaller number, e.g. 436 – 285When this happens, an adjustment is made from the hundreds to the tens. A hundred is effectively taken from the hundreds column.And added to the tens column.
When this can be performed confidently, it can be simplified to a standard written method:
400
200
130
80
6
5_
150100 + + = 151
300
4 3 6
2 8 5_
1 5 1
3 13
And, finally subtract the hundreds
![Page 22: Subtraction Using An Expanded Method (part 2 of 5)](https://reader036.vdocuments.mx/reader036/viewer/2022062419/55895c86d8b42a693f8b45b5/html5/thumbnails/22.jpg)
That’s it for now......
For more help with your maths, try my book:
mastering multiplication tableson amazon.com