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# Math Bianca

by

## ACOTOPAXI QUITO

on 20 November 2014

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#### Transcript of Math Bianca

math
Definitions
Divisor: The number that divides the dividend.
Dividend: The number that is being divided by.
Prime Number: A number that has only 2 factors, 1 and the number itself
Composite Number: A number that has more than 2 factors.
Prime Factorization
Ex.
24
Any Number
2 lines coming out of top number (branches)
4
6
This is called a Factor Tree.
2
2
2
3
If its composite don't do anything
Partial quotient
Factors of 48
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
First 6 multiples of 14
14, 28, 42, 56, 70, 84
Divisibility Rules
2: If the last digit is even (0, 2, 4, 6 or 8)
3: If the sum of the digits is divisible by 3
4: If the last 2 digits form a number divisible by 4
5: If the last digit is 5 or 0
6: If the number is divisible by both 2 and 3
9: If the sum of the digits is divisible by 9
10: If the last digit is 0
72
7
The end
Thanks for watching!
- 70
10
2
10 r2
1. Choose the biggest multiple of the divisor that is close to the dividend.
2. Subtract the dividend by the multiple of the divisor.
3. If the answer is smaller then the divisor then you are done.
4. Add the numbers on the far right if you need to. That is your final answer.
#4
Remainder
Full transcript