basic math concepts
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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| recognize multiples of 3 | show 🗑
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| recognize multiples of 4 | show 🗑
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| recognize multiples of 6 | show 🗑
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| recognize multiples of 9 | show 🗑
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| recognize multiples of 12 | show 🗑
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| show | A prime number can be divided, without a remainder, only by itself and by 1. Examples: 2,3,5,7,11,13,17,etc...(note: 1 and 0 are not considered prime numbers)
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| show | A composite number is defined as any number, greater than 1, that is not prime.
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| how to find the least common multiple | show 🗑
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| how to find percent change | show 🗑
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| show | probability= number of favorable outcomes/total number of possible outcomes
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| show | ((3x^2)+5x)(x-1)=
(3x^2)(x-1)+5x(x-1)=
(3x^3)-(3x^2)+(5x^2)-5x=
(3x^3)+(2x^2)-5x=
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| show | ab+ac=a(b+c)
(a^2)+2ab+(b^2)=(a+b)^2
(a^2)-2ab+(b^2)=(a-b)^2
(a^2)-(b^2)=(a-b)(a+b)
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| show | Multiplication or division by a negative number reverses the sign of the inequality
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Created by:
monilc
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