Jed Math Week 1
About this set
Created by:
Pauline23 on June 24, 2012
Subjects:
Description:
Basics, Addition, Subtraction, Multiplication, Division, Prime, Composite, Prime Factorization, Prime Numbers, Integer, Natural, Inverse, Multiplicative Inverse, LCM, GCF, Ordering, Comparing, identifying
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15 terms
Terms | Definitions |
|---|---|
 prime | A ______ number is a positive integer only divisible by 1 and itself E.g.- 47 can ONLY be divided by 1 and by itself (47) 47/1 = 47 47/47 = 1 |
| integer | Any of the natural numbers (positive or negative) or zero E.g.-- -2, -1, 0, 1, 2, 3, etc |
| natural | A _______ number is any positive integer or "number" used for counting E.g.--1, 2, 3, 4, 5, 6, etc |
| composite | A ________ number can be divided evenly by numbers other than 1 or itself E.g.- 48 can be divided by 1, 2, 3, 4, 6, 8, 12, 16, 24, 48 |
| factor | Any number(s) you multiply together to get another number. Any number that is used to divide a composite number by. E.g.--The factors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48 |
| prime | _________ factor is a number that is used to break down a composite number into smaller numbers/divisors E.g.-The ______ factors of 48 are: 2, 2, 2, 2, and 3 because 2 x 2 x 2 x 3 = 48 |
| prime | _______ Factorization is the breaking down of a composite number into smaller non-trivial divisors (aka factors), which when multiplied together equal the original integer E.g.-The ____ factorization of 48 is 2 x 2 x 2 x 3 because 2 x 2 x 2 x 3 = 48 |
| reciprocal | A ______ or inverse number is related to another number in such a way that when multiplied together their product is 1; Basically the opposite, particularly in fractions E.g.-- 3/4 and 4/3 are reciprocals of each other |
| inverse | A multiplicative _______ is one of a pair of numbers whose product is 1 E.g.--The reciprocal of 2/3 is 3/2 because 2/3 multiplied by 3/2 = 1 |
| inverse | An additive _________ is an integer and its opposite whose sum is zero E.g.-- -2 + 2 = 0 |
| LCM | Least Common Multiple is the smallest number that is a multiple of two or more numbers. E.g.-The ___ of 3 and 5 is 15 because 15 is a multiple of 3 and also a multiple of 5. Other common multiples include 30 and 45, etc, but they are not the smallest (least). |
| GCF | Greatest Common Factor is the highest/largest number that divides exactly into two or more numbers. It's the "greatest" thing for simplifying fractions! E.g.-The ____ of both 12 and 30 is 6. 12 and 30 can also both be divided by 1, 2, 3, but 6 is the largest number |
| Fraction | A small part or item forming a piece of a whole E.g.-- 3/4 is a _________ |
| decimal | A _______ number is any number that is related to a fraction amount. It is marked by a decimal point. E.g.--- 0.75 is a ________ number |
| inequalities | Any mathematical sentence(s) involving <, >, or = plus < or > E.g.- 3 is greater than 1 so that the inequality is: 3 > 1 |
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