Making a ten involves splitting one of the values to be subtracted such that we arrive at a value of 10 first, before subtracting the remainder to obtain the final result.
- (15 - 5) - 3 = 10 - 3 = 7
To solve the subtraction equation by making a 10, we could follow the following steps :
- Decomposing 8 into two Seperate values; such that subtracting one of the values from 15 gives 10
- Decomposed value of 8 = (5 and 3)
- Then, we subtract the second value from 10 to give ; (10 - 3) = 7
Therefore, summarily, we have ;
15 - 8
15 - [5 + 3] ;
15 - 5 = 10 ;
10 - 3 = 7
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