Multiplying With 15
Remember, 15 is 10 + half of 10. So if you tohave to multiply any number with 15. Say you have to find the product of 67 with 15.
1. Write 0 at the end of the number. here we have 670
2. Divide this by 2. So we have 335
3. Add up the 2 numbers i.e. 335+670 = 1005
Try the following
69*15, 50*15
Remember, 15 is 10 + half of 10. So if you tohave to multiply any number with 15. Say you have to find the product of 67 with 15.
1. Write 0 at the end of the number. here we have 670
2. Divide this by 2. So we have 335
3. Add up the 2 numbers i.e. 335+670 = 1005
Try the following
69*15, 50*15
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