Factors, Fractions, Exponents
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Rules For Divisibility | 2: even number
3: sum of digits = 0
4: last 2 digits are divisible by 4
5: ends in 5 or 0
6: if it is divisible by 2 and 3
8: last 3 digits are divisible by 8
9: sum is divisible by 9
10: ends in 0
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| Factors | numbers that are multiplied to get a number
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| Order of Operations | PEMDAS (parenthesis, exponents, multiply/divide, add/subtract
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| Exponent | small number by a bigger number that shows how many times to multiply the number by itself
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| Base | the bigger number next to the exponent
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| Power | how many times you multiply the base by itself (example: second power= b*b
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| Prime Numbers | numbers that have no more than 2 factors
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| Composite Numbers | numbers that have more than 2 fators
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| GCF | greatest common factor: the biggest factor between a group of numbers (example: 2 and 4 GCF=2
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| -3 squared means | -3*3
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| (-3) squared means | (-3)(-3)
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| rational numbers | examples: 1/2, 2, -1/16
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| 23 |
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| prime factorization 120 | 2^3*3*5
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| prime factorization using GCF 78 and 124 | 2
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| 12x^2y^5/8x^4y^2 | 3y^3/2x^2
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| negative rational numbers | write with - sign on the top (example -2/1
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| 4x^3y^5*3x^2yz^2 | 12x^5y^6z^2 rule for multiplying exponents: add the exponents that have the common variable
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| (x^3y^5)^4 | x^12y^20 rule for the power of a power: multiply the exponent by the exponent outside of the parenthesis
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| x^0 | 1 rule for zero power: always = 1
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| write without negatives x^-3y^2/a^2b^-3 | y^2b^3/a^2x^3
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| without fraction bar x^3y^2/a^2b^3 | x^3y^2a^-2b^-3
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| without zero or negative exponents and simplify x^-3y^2z^0/x^-2y^-3 | y^5/x
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| Will Torborg | Period 2
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Created by:
torborgwilliam
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