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G6: Unit 2
The Number System
| Question | Answer |
|---|---|
| least common multiple (LCM) | The smallest number that is a common multiple of a given set of numbers. Ex: LCM of 6 and 8 = 24. The smallest number they both divide into is 24. |
| greatest common factor (GCF) | The largest factor that two or more numbers have in common. |
| reciprocal number | Is the multiplicative inverse of the number. i.e. the reciprocal of 1/2 is 2/1, or just 2. |
| interpret | to explain the meaning of something |
| visual fraction model | a model showing a fraction or fractions. |
| Algorithm | a step-by-step procedure for solving a problem |
| factors | Numbers that are multiplied together to get a product |
| multiples | numbers you say when you skip count. Multiples of 2 are: 2,4,6,8,... (Multiples can go on forever) |
| Distributive Property | a property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses a(b + c) = ab + ac |
| factor pair | Two numbers being multiplied to give you a certain number |
| whole numbers | Natural numbers ( counting numbers) and zero; 0, 1, 2, 3... |
| opposite number | on a number line, a number that is the same distance away from zero in the other direction |
| rational number | Any number that can be expressed as a ratio (fraction) of two integers |
| axes | The two perpendicular lines of a coordinate plane that intersect at the origin |
| ordered pair | a pair of numbers used to locate a point on the coordinate plane |
| first quadrant | upper right section of a coordinate plane (+ , +) |
| second quadrant | upper left section of the coordinate plane (- , +) |
| third quadrant | bottom left section of the coordinate plane (- , -) |
| fourth quadrant | bottom right section of a coordinate plane (+ , -) |
| integer | All whole numbers (both positive and negative) and zero. |
| horizontal | Going straight across from side to side |
| vertical | straight up and down |
| absolute value | The distance a number is from zero on a number line. It is always positive! |
| zero pair | a number and its opposite, which add to 0 |
| coordinate | a number that determines the position of a point in one direction on a grid. Ex: In the ordered pair (3 , 5), 3 is the x-coordinate and 5 is the y-coordinate. |
Created by:
Mr. Shaun
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