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# 6th grade math km

### 6th grade math knowledge map info

Question | Answer |
---|---|

_______ one of two numbers that when multiplied together equal a given number. | Factor |

The largest number that two or more numbers can be divided by is the ______. | Greatest Common Factor |

When you raise a number to a power it is called _____. | Repeated Multiplication |

The number of times the base number is multiplied is called an _____. | Exponent |

A number that is divisible by only 1 and itself is called a _____. | Prime Number |

A number that is divisible by more than 1 and itself is called a _____. | Composite Number |

Line graphs represent how data _____ | changes over time |

Circle graphs are best for _____ | comparing parts to a whole |

The type of graph compares two sets of data to see relationships is called _____. | scatter diagram |

The graph that is an arrangement of numbers that seperates the digits into columns is a _____. | stem and leaf graph |

A pictograph represents data using _____. | symbols |

The graph that uses a table to organize data is called a _____. | frequency table |

The the number of times each observation occurs is called _____. | Frequency distribution |

Data is | information gathered |

The number of times something occurs in a set of data is called _____. | Frequency |

The mean or average is found by taking the sum of the data divided by the ______. | number of data |

The most occurring piece of data is called the _____. | mode |

The middle piece of the data is called the _____. | median |

The difference between the greatest value and the smallest value in the data set is called the _____. | range |

To show the digits that repeat in a repeating decimal you do this to the digits(s) that repeat_____. | draw a line over them |

Decimals that terminate are called _____. | Non-repeating decimals |

_____ decimals you first line up the decimals vertically. | To add or subtract |

To multiply decimals line these up vertically from the right and multiply _____. | numbers |

When multiplying decimals count the number of digits to the right in the two numbers multiplied and place the decimal that many places from this direction in the answer _____. | right |

When dividing a decimal by a whole number move the decimal this direction then divide _____. | straight up |

This is a number into which another number may be divided with a remainder of zero _____. | multiple |

The smallest number that can be divided by two or more other numbers is called the _____. | least common multiple |

A ratio of two numbers where the denominator is not zero is called a _____. | fraction |

The top number in a fraction is called the _____. | numerator |

This is what we call the bottom number of a fraction _____. | denominator |

_____ can be found by finding the least common multiple of the denominators. | the common denominators |

When the numerator of a fraction is one we call it a _____. | unit fraction |

____ are numbers that can be expressed as fractions where the denominator does not equal zero. | Rational numbers |

When the both the numerator and the denominator are the same number it is a _____. | whole |

_____ are part of a whole. | fractions |

Fractions that name the same number are called _____. | equivalent fractions |

To add fractions you need to have a _____denominator. | common |

When fractions have the same denominator we say they have a _____. | common denominator |

When adding fractions with common denominators we add the numerators and do this to the denominator _____. | keep it the same |

To find the common denominators we find this for the denominators _____. | LCM |

When the numerator and the denominator are both integers we call them _____. | simple fractions |

When you divide the numerator and denominator of a fraction with their GCF you are doing this _____. | Simplifying |

When multiplying or dividing mixed numbers first you need to change the mixed numbers to this multiply the numerators and denominators then simplify. | improper fraction |

An improper fraction is where the numerator is ______. | larger than the denominator |

We must invert the fraction on the right side and multiply to _____. | divide simple fractions |

The inverted form of the fraction is called its _____. | reciprocal |

______ means to switch the position of the numerator and the denominator. | Invert |

When the numerator is less than the denominator it is called a _____. | proper fraction |

This has an integer and a fraction _____. | mixed number |

Decimals, percents, and fractions are different ways to write the _____. | same value. |

______ are parts per hundred. | Percents |

To change a decimal to a percent you move the decimal ______. | two places to the right |

To change a percent to a decimal you move the decimal _____. | two places to the left |

To multiply with percents first you need to change the percent to a ______ . | decimal |

To change a fraction to a decimal you do this function to the numerator by the denominator ______. | divide |

To change a percent to a fraction write the percent as the numerator with a denominator of ______ then simplify. | one hundred |

_____ compare two numbers. | ratios |

An equation that shows that two ratios are equal is called a _____. | proportion |

A mathematical sentence showing two expressions are equal is called an _____. | equation |

These are equal in a proportion _____. | cross products |

_____ is the ratio of favorable outcomes to possible outcomes. | Probability |

An outcome is a _____ result. | possible |

______ probability is what should happen. | Theoretical |

______ probability is what does happen. | Experimental |

_____ is a list of all the possible outcomes. | sample space |

One minus the probability an event will happen is called the _____. | complement |

The probability of an event and its complement ____. | add up to one |

______ are all the natural numbers and their opposites. (1,-1; 2, -2 etc) | Integers |

Positive and negative numbers are ______. | opposites |

The sum of opposites is always _____. | zero |

______ are units used to measure angles. | Degrees |

The measurement tool used to measure angles is a _____. | protractor |

A part of a line that has only one end point is called a _____. | ray |

This is the point in an angle where two rays' end points meet _____. | vertex |

_____ is an angle that measures less than 90 degrees. | acute |

_____ is an angle that measures more than 90 degrees. | obtuse |

This is a 180 degree angle _____. | straight |

This angle is exactly 90 degrees _____. | right |

We use the numberical value of approximately 3.14 for _____. | Pi |

The distance around the outside of a circle is called the _____. | circumference |

The distance from the center of the circle to the outside is the _____. | radius |

_____ is the plural of radius. | Radii |

_____ is the distance across the circle going through the center. | diameter |

The distance across a circle not going through the center is called a _____ . | chord |

A closed plane figure formed by three line segments is a _____ . | triangle |

______ means the sides are the same length. | Equilateral |

______ means that the angles are the same size. | Equiangular |

This triangle has two equal sides and two equal angles _____. | isosceles |

_____ triangles have all sides and all angles equal. | equilateral |

_____ triangles have no sides or angles equal. | scalene |

______ triangles have one 90 degree angle. | right |

_____ is a three sided 2 dimentional shape that has one angle greater than 90 degrees. | obtuse triangle |

All three angles are less than 90 degrees in an _____ . | acute triangle |

The sum of the angles in a triangle equal _____ . | one hundred eighty degrees |

The distance around the outside of a polygon is the _____ . | perimeter |

Perimeter is always given in _____. | length units |

The formula for finding the perimeter of this shape is P=4s _____. | square |

P=2l + 2w is the formula for finding the perimeter of a ______ . | rectangle |

Add all sides together to find the perimeter of a _____ . | triangle |

P=ns (where n is the number of sides) is the formula for finding the perimeter of a ______ . | regular polygon |

A=s squared is the formula to find the area of a ______ . | square |

The formula A=lw or A=bh is used to find the area of a ______. | rectangle |

The formula A=1/2 bh is used to find the area of a _____. | triangle |

A=1/2 (b1+b2)h is the formula to find the area of a _____ . | trapezoid |

_____ is how much something can hold. | Volume |

Volume is measured in what kind of units _____? | cubic |

The formula V=s cubed is used to find the volume of this 3D figure. | cube |

V=lwh (l is length, w is width, and h is height) is the formula to find the volume of a ______ . | rectangular prism |