A | B |
Product | answer to multiplication |
quotient | answer to division |
difference | answer to subtraction |
sum | answer to addition |
area | length times width; count squares inside shape; 2D |
perimeter | add up all the sides; outside lines |
area of a triangle | 180 degrees |
area of a quadrilateral | 360 degrees |
symmetry | splitting in half so they can be folded over |
factors | numbers that will equal up to something; factors of 18 are 1x18, 2x9, 3x6 |
multiples | number that is multiplied by 1,2, 3, 4... |
divisible | can be divided by without a remainder; 2 is even; 3 is add all numbers together; 5 is a 0 or 5 at the end; and, 10 is a zero on the end |
> | greater than |
< | less than |
equivalent | equal |
700/70 | 70/7 removing one zero from the top and bottom |
8000/800 | 80/8 removing 2 zeroes from top and bottom |
divisor | number you are dividing by |
dividend | number being divided or shared |
denominator | bottom number |
numerator | top number |
2/2, 4/4, 6/6 | a whole |
milli | 1/1000; very small; .001m |
centi | 1/100; small; .01m |
kilo | times 1000; very big |
acute | less than 90 degrees or a right angle |
obtuse | more than 90 degree or a right angle |
right | an L |
straight | a half circle; 180 degrees |
reflex | more than 180 but less than 360; butt angle |
line segment | a beginning and endpoint connected; every side is a line segment |
endpoint | a dot |
ray | a beginning point but no end point |
perpendicular | two lines that cross to make a right angle |
parallel | lines that will never meet |
intersecting | lines that crossed |
right triangle | one right angle |
obtuse triangle | one obtuse angle |
acute triangle | all acute angles |
vertex | middle point in an angle |
<abc | the middle letter is always the vertice |
tenths | .6 |
hundredths | .67 |
expanded form | 3,000+400+20+1 |
equivalent fractions | two fractions that are the same |
simplest form | Both the numerator and denominator aren't divisible by the same number |
mixed number | 2 and 3/4 |
improper fraction | 45/8 |
16 ounces | pound |
ton | 2000 pounds |
12 inches | foot |
.4 | 40 cents or 40% |
volume | lengthxwidthxheight; 3D |
milliliter | one drop from an eye dropper |
10^2 | 100 |
10^3 | 1000 |
base ten system | our place value system is based on this; each place value is 10 times different than the one below it; 10x1= ten's place; 10x10 =hundred's place |
Prime | numbers that you can only get by multiplying X 1. For example, 2, 7, 13. |
Composite | can get the number more than one way. For instance, 6= 2x3 and 6x1 |
scalene tiangle | no equal sides or angles |
isosceles | 2 equal sides and angles |
equilateral triangle | all sides and angles the same |
one tenth | first number to the right of decimal |
one hundredth | second number to the right of decimal |
one thousandth | third number to right of decimal |
quadrilateral | four sides |
parallelogram | four sides and 2 sets of parallel lines |
trapezoid | four sides and one set of parallel lines |
pentagon | 5 sides |
hexagon | 6 sides |
regular polygon | all sides equal |
irregular polygon | all sides not equal |
tenths | first number to right of decimal .1 |
hundredths | second number to right of decimal .01 |
thousandths | third number to right of decimal .001 |
1.23 | one AND twenty three hundredths |
14.034 | fourteen AND thirty-four thousandths |
561.009 | five hundred sixty-one AND nine thousandths |
symmetry | split in half |
triangle | all angles together = 180 |
quadrilateral | all angles together = 360 |
10^1 | 10 |
10^2 | 100 |
10^3 | 1000 |
1/2 x 1/3 | just multiply straight across = 1/6 |
3 x 1/2 | just put a 3/1 x 1/2= 3/2 |
2/4, 3/6, 4/8, 5/10 | equal 1/2 |
1/2 +1/3 | find a common denominator =6 |
20x400= How many zeroes in answer | 3 |
divide by 100 | lose two place values or move to left |
multiply by 1000 | gain three place values or move to the right |
if there isn't a decimal in a number | then it goes on the end like a period |
5/5= | one whole |