mark symmonds – chatsworth international school, singapore
TRANSCRIPT
![Page 1: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/1.jpg)
Mark Symmonds – Chatsworth International School, Singapore
![Page 2: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/2.jpg)
![Page 3: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/3.jpg)
Just like when we count, start from the left.
1, 2, 3, 4, 5, 6…
![Page 4: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/4.jpg)
As we are looking for 3 multiplied by 9 we count across to our 3rd finger and move it down.
1
23
![Page 5: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/5.jpg)
![Page 6: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/6.jpg)
Marker Finger
3 x 9 =3 x 9 =1 x 9 = 92 x 9 = 183 x 9 = 274 x 9 = 365 x 9 = 45
![Page 7: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/7.jpg)
Marker Finger
7 x 9 =7 x 9 =1 x 9 = 92 x 9 = 183 x 9 = 274 x 9 = 365 x 9 = 456 x 9 = 547 x 9 = 638 x 9 = 729 x 9 = 8110 x 9 = 90
![Page 8: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/8.jpg)
Marker Finger
9 x 9 =9 x 9 =1 x 9 = 92 x 9 = 183 x 9 = 274 x 9 = 365 x 9 = 456 x 9 = 547 x 9 = 638 x 9 = 729 x 9 = 8110 x 9 = 90
![Page 9: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/9.jpg)
1 x 9 = 92 x 9 = 183 x 9 = 274 x 9 = 365 x 9 = 456 x 9 = 547 x 9 = 638 x 9 = 729 x 9 = 8110 x 9 = 9011 x 9 = 9912 x 9 = 108
![Page 10: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/10.jpg)
Remember there are no tens digit in 1 x 9 as the answer is 0 tens and 9 units!
The tens digit is always one less than the number you are dividing!
This pattern only works up until 10 x 9
![Page 11: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/11.jpg)
1 x 9 = 92 x 9 = 183 x 9 = 274 x 9 = 365 x 9 = 456 x 9 = 547 x 9 = 638 x 9 = 729 x 9 = 8110 x 9 = 9011 x 9 = 9912 x 9 = 108
9 added to nothing equals 9
![Page 12: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/12.jpg)
If you add both the digits of the answer together they will always equal 9.
The tens column in the answer is always one less than the one you are multiplying.
So if we take 7 x 9…
We know the answer will start with?
So we know that the answer is 63.
And the two digits added together make nine so 6 and what make 9?
3
6
![Page 13: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/13.jpg)
![Page 14: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/14.jpg)
![Page 15: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/15.jpg)
![Page 16: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/16.jpg)
![Page 17: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/17.jpg)
so…so…
19801980
so…so…
![Page 18: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/18.jpg)
so…so…
54455445
so…so…
![Page 19: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/19.jpg)
so…so…
1217712177
so…so…
![Page 20: Mark Symmonds – Chatsworth International School, Singapore](https://reader035.vdocument.in/reader035/viewer/2022062219/5515f1ff550346dd6f8b548d/html5/thumbnails/20.jpg)