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an angle that is less than 90 degrees
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an angle that is more than 90 degrees and less than 180 degrees
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Math Vocabulary RCEM
| Question | Answer |
|---|---|
| an angle that is less than 90 degrees | acute angle |
| an angle that is more than 90 degrees and less than 180 degrees | obtuse angle |
| what we measure angles in | degrees |
| a number that has more than two factors | composite |
| a number found by dividing the sum of two or more addends by the number of addends, often referred to as the average | mean |
| the value of a digit three places to the right of the decimal | thousandths |
| a triangle with all sides the same length | equilateral triangle |
| a triangle that has at least 2 congruent sides | isosceles triangle |
| a triangle whose largest angle measures greater than 90 degrees | obtuse triangle |
| a triangle that has one 90 degree angle | right triangle |
| a triangle that has no congruent sides | scalene triangle |
| the number of cubic units it takes to fill a solid | volume |
| a whole number greater than 1 that has exactly 2 factors, 1 and itself. | prime number |
| Number that cannot be divided by 2. | odd number |
| Number that is divisible by 2. | even Number |
| The chance that a particular outcome will occur. | probability |
| has four sides and four angles | quadrilateral |
| value of a digit one place to the right of the decimal | tenths |
| having a probability less than one half | unlikely |
| To reduce a fraction is to put it in ________ form | simplest |
| Two fractions that are equal in value are: | equivalent |
| To find the average is to also find the what? | mean |
| The number that occurs most often in a set of numbers is the what? | mode |
| A fraction that has a larger number on top (numerator) is called an ________ fraction | improper |
| What is the name of the number above the fraction bar? | numerator |
| What is the name of the number below the fraction bar? | denominator |
| What math tool do you use to measure the degrees in an angle? | protractor |
| On a stem and leaf plot digits in the ones place are known as the what? | leaves |
| What do you call a rectangle with all sides the same length? | square |
| What is another term for average or mean? | fair share |
| The MODE is the number that occurs __________ ________. | most often |
| An event with a no chance of occurring has a probability of | zero |
| The answer to a division problem | quotient |
| Mean, median, and mode are all measures of: | center |
| Range is a measure of ___________ (spread( | variation |
| The distance around a polygon is called the: | perimeter |
| The amount of flat surface inside a polygon (measured in square units) is called the: | area |
| The amount of space a 3-dimentional shape takes up is called the: | volume |
| If an event has a probability between 1/2 and 1, then it is: | likely |
| If an event has a probability of 1, it is: | certain |
| If an event has a probability of 0, it is: | impossible |
| Another word for mean or average: | fair share |
| In the number 1.234 the 1 is in the ________ place | ones, whole number |
| In the number 1.234 the 2 is in the ______ place | tenths |
| In the number 1.234 the 3 is in the ________ place | hundredths |
| In the number 1.234 the 4 is in the __________ place | thousandths |
| How do you find the volume of a shape? | Lenght X Width X Height |
| How do you find the area of a rectangle? | Length x Width |
| How do you find the perimeter of a shape? | Add up all of the outside edges |
| 1/4 = | 0.25 |
| 1/2 = | 0.5 |
| 3/4 = | 0.75 |
| 1/3 | 0.333 |
| 2/3 | 0.666 |
| 1/10 | 0.1 |
| 2/10 | 0.2 |
| 3/10 | 0.3 |
| 1/100 | 0.01 |
| 2/100 | 0.02 |
| 3/100 | 0.03 |
| 1/1000 | 0.001 |
| 2/1000 | 0.002 |
| 3/1000 | 0.003 |
| We divide by ____, ____, _____, and ____ to see if a number is prime | 2, 3, 5, 7 |
| The numbers 0 and 1 are: | neither prime nor composite |
| What comes first in the order of operations | parenthesis ( ) |
| What comes second in order of operations | multiplication and division |
| What comes last in order of operations | addition and subtraction |
| in the metric system, what is the base unit for length | meter |
| In the metric system, what is the base unit for mass (weight) | gram |
| In the metric system, what is the base unit for capacity (volume) | liter |
| What does the prefix Kilo mean | 1,000 |
| What does the prefix milli- mean | 1/1000 |
| How do you find the area of a triangle? | 1/2 (base x height) |
| An angle that measures less than 90 degrees | acute angle |
| An angle that measures more than 90 degrees | obtuse angle |
| An angle that measures exactly 90 degrees | right angle |
| An angle that measures 180 degrees | straight angle |
| Congruent means: | equal |
Created by:
MrLittle5
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