Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
139 Cards in this Set
- Front
- Back
|
whole numbers
|
numbers like 1,2,3,4.....100,101,102....1,000,1,001,1,002
|
|
|
one sixteenth
|
1/16
|
|
|
one eighth
|
1/8
|
|
|
one fourth
|
1/4
|
|
|
one half
|
1/2
|
|
|
fraction
|
a part of a whole....1/2, 1/4, 1/5...
|
|
|
mixed numbers
|
a whole and a fraction
one and two thirds = 1 2/3 |
|
|
decimals
|
a part of a whole 0.1,0.02, 0.50
one tenth, one hundredth.... |
|
|
one tenth
|
0.10
|
|
|
one hundredth
|
0.01
|
|
|
one thousandth
|
0.001
|
|
|
comparison
|
to see how two things are similar (alike) or different
|
|
|
order
|
when something happens (occurs) first, second, third...
|
|
|
equivalent
|
equal (same) in value
|
|
|
representation
|
to be (or stand for) something else
|
|
|
monetary amount
|
the amount of money that you have in coins and bills
|
|
|
greater than
|
bigger than
|
|
|
less than
|
smaller than
|
|
|
place value
|
the order (or place) that a number is in tells how many it is worth. 102 = one hundred, zero tens, 2 ones
|
|
|
numerals
|
numbers
|
|
|
expanded notation
|
354 = 300 +50+ 4
|
|
|
standard notation
|
354 = 354
|
|
|
digits
|
numbers
6 is a digit |
|
|
classify subsets
|
to group and then name that group
|
|
|
number systems
|
a method of counting numbers and knowing what they are worth
|
|
|
properties
|
to show the rules of certain things that are true in math
2+3 = 3+2 |
|
|
commutative property
of + and x |
"to commute" means to travel, or move. The order of the addends does not affect the answer 3x4=4x3
|
|
|
associative property
|
associate = to be friends with
It does not matter how you group the same numbers, you will get the sam answer (3+6)+9 = 3 + (6 +9) |
|
|
distributive property
|
distribute = to divide & deal out
The rule is that when the sum of 2 or more addends is multiplied by another number, each addend must be x alone & then the answers + together 3x(4+6+9) = (3x4)+(3x6)+(3x9) |
|
|
0 property of addition
|
the sum of a number + zero = that number
7+0=7, 1,000 + 0 = 1,000 |
|
|
a property
|
a rule in math
|
|
|
0 property of multiplication
|
zero x any number always = 0
|
|
|
property of 1 for multiplication
|
any number x 1 = that number
5 x 1 = 5 101 x 1 = 101 |
|
|
symmetric property
|
for any two numbers, if a = b, then b = a
|
|
|
odd
|
a whole number that belongs to a set of numbers = to (nx2)+1 like 3,5,7,9,.......
|
|
|
even
|
one of the sets of whole numbers. Each number can be divided by 2 with no remainder.
|
|
|
estimation
|
a logical guess or logical opinion of about the size, amount......of something.
102 is about 100 |
|
|
front-end estimate
|
add the whole number part most to the left $1.32 + 3.25 = about $4.00
|
|
|
logical
|
something that could be in real life
|
|
|
nice numbers
|
any numbers that add (total)
10 or 100 3+7=10 60+20+20 = 100 |
|
|
compatible numbers
|
compatible = to go together well
numbers that add almost to 10 or 100 8+3 is almost 10 |
|
|
rounding
|
to take away the digits in a number & change the digit in a certain place. Round to the nearest 100 = 163 drop the 6 & 3. 6 is closer to 10, so 163 rounds to 200
|
|
|
exact
|
absolutely accurate
|
|
|
approximate
|
nearly exact, to be almost the same
|
|
|
overestimate
|
to guess or estimate too big or high a number
|
|
|
underestimate
|
to guess or estimate too little or small a number
|
|
|
computation method
|
to compute = +,-,x,divide
So, a method is which of these that you choose to use to solve a problem |
|
|
compute
|
to add, subtract, multiply, or divide
|
|
|
basic facts
|
all the combinations of add, subtract, multiply & divide
|
|
|
fact families
|
a group of + & -, or x & divide facts that use the same set of numbers 1,3,&4 is a family because; 1 + 3=4
4 - 3 = 1 |
|
|
ellipse
|
a plane curve that the distance of two opposite sides stays the same. Often called an "oval"
|
|
|
rhombi, rhombus
|
a parallelogram with all four sides equal = in length
|
|
|
pentagon
|
penta = 5
a polygon that has 5 sides |
|
|
polygon
|
a simple closed plane that has line segments as sides
|
|
|
hexagon
|
hex = 6
a polygon that has 6 sides |
|
|
cylinder
|
a 3-D figure with 2 parallel and congruent(equal size) circles as bases.
|
|
|
cubes
|
a regular solid having 6 congruent(equal size) square faces
|
|
|
sphere
|
a figure that looks like a ball
|
|
|
triangular prisms
|
tri = 3
a solid figure made of triangular faces |
|
|
faces
|
a plane shape that is the side of a space figure
|
|
|
edges
|
the line segment where 2 faces of a solid figure meet
|
|
|
vertices, vertex
|
an endpoint shared by two rays making an angle, or making the sides of a polygon
|
|
|
parallelogram
|
a quad(=4) rilateral whose opposite sides are parallel
|
|
|
trapezoids
|
a quadrilateral (4sides) having only 2 parallel sides
|
|
|
similar
|
alike
|
|
|
congruent
|
of equal size
|
|
|
intersect
|
to cross over one another
|
|
|
parallel
|
lines that do not intersect (cross over one another)
|
|
|
perpendicular
|
two lines in the same plane that intersect (cross over) one another at right (90degrees) angles
|
|
|
line segment
|
a part of a line that has 2 endpoints
|
|
|
ray
|
a part of a line starting from one endpoint and going on and on in one direction
|
|
|
symmetrical
|
a figure that is the exact mirror of another. A line drawn down the middle makes two identical parts
|
|
|
special quadrilaterals
|
those with special names = trapezoid, parallelogram, rectangle, rhombus, square
|
|
|
estimation
|
a guess or opinion of how many, what size.....approximate
|
|
|
whole number approximations
|
guessing using whole numbers only
|
|
|
perimeter
|
the distance around a closed figure
|
|
|
area
|
the measure of the region inside a closed plane figure. Area = square units
|
|
|
convert
|
to change or transform
|
|
|
volume
|
the measure of how much (capacity) is inside(enclosed) by a space figure
|
|
|
dozen
|
12
|
|
|
reasonable
|
it makes sense, logical
|
|
|
units of measure
|
the same (standard) amount every time
|
|
|
customary system or
the standard system |
the system of measurement used in the USA
|
|
|
non-standard
|
using something to measure with that is different, like a paperclip or a penny
|
|
|
metric system
|
a system of measurement based on the decimal system (10's)
|
|
|
two-dimensional figures
|
figures that have only
LENGTH & WIDTH |
|
|
elapsed time
|
time that has passed by
|
|
|
millimeters
|
a metric unit that is equal to 1/1000 of a meter.(very small)
|
|
|
centimeter
|
the 1/100 part of a meter
|
|
|
meter
|
a metric system unit of line (linear) measurement. Looks like a yard stick.
|
|
|
kilometer
|
a metric unit of measurement of length = to 1000 meters. We compare it to miles.
|
|
|
kilogram
|
a metric unit of mass (weight) that is equal to 1000 grams
|
|
|
liter
|
a metric unit of measurement for liquid. In the USA, our soda pop comes in 2 liter bottles.
|
|
|
ounces (oz.)
pounds (lbs) |
a measurement of weight in the USA
16 0z. = 1 lbs. |
|
|
cups
pints quarts gallons |
liquid of dry measures used in the USA
cup = 8oz quart = 2 pts pint = 16 oz gallon = 4qts |
|
|
transformation
|
to change one thing into another= rotation,reflection,translation,reduction, & enlargement
|
|
|
rotation
|
to turn a figure around a point
|
|
|
reflection
|
to flip a figure ( as in a mirror)
|
|
|
translation
|
to SLIDE a figure along a straight path
|
|
|
cardinal points
|
the 4 directions = North, South, East, West
|
|
|
positional directions
|
to put a figure somewhere by comparing it to another object ( put the square beside the triangle)
|
|
|
3-D figures
|
figures that have;
LENGTH WIDTH HEIGHT |
|
|
rectangular prisms
|
3-D figure (like a box) that has 6 faces and 8 corners
|
|
|
visual perspective
|
how you look at a figure
|
|
|
vertical number line
|
a number line that is up and down ( vertical)
|
|
|
horizontal number line
|
the usual line that is numbered
|
|
|
corresponding facts
|
refers to fact families
|
|
|
quandrant
|
one of the 4 regions (parts) of the coordinate plane (line graph) There is an X axis and a Y axis
|
|
|
coordinate grid
|
a 2-D system where there are usually letters given to tell where a point is from 2 lines that cross, called axis
|
|
|
ordered pair
|
a pair of numbers in a certain order.
|
|
|
plot
|
to place points on a coordinate grid
|
|
|
probability
|
probable = "likely" so, the study of how likely something will happen. Also called "CHANCE"
|
|
|
prediction
|
"pre"=before, "diction"=speak
so, to say something about what you THINK will happen |
|
|
possibilities
|
all the answers that may or may not happen
|
|
|
outcome
|
the end result; the goal
|
|
|
simple event
|
it has to do with probability. An event is something that happens and you figure out the chance of it happening
|
|
|
experiment
|
a test that should show a fact
|
|
|
sampling
|
a number of people, objects or events that are chosen to represent the whole group
|
|
|
range
|
the difference between the greatest number and the least number in a set of numbers
6,7,8,9 range = 3 |
|
|
minimum value
|
the smallest quantity, amount, degree possible
|
|
|
maximum value
|
the greatest quantity, amount, degree possible
|
|
|
mean
|
the average
(6,8,9,19,38) = 80/5 = 16 |
|
|
median
|
the middle number in a set of numbers
(3,8,12,17,20,23,27) = 17 |
|
|
mode
|
the number that is most frequently found in a set of numbers. (2,4,2,5,6,2,7,2) mode = 2
|
|
|
data
|
information
|
|
|
data display
|
data (information) that is shown in a graph
|
|
|
statistical measures
|
classifying(put in groups), collecting, & using facts to show how they are important
|
|
|
labels
|
a word written by or on something to give it a name(identify it)
|
|
|
interval
scale |
the difference between numbers from one grid line to another on a graph.
scales = the numbers running along a side of a graph |
|
|
pictographs
|
a picture that shows/represents and idea
|
|
|
frequency tables
|
a way to organize and picture data on a grid. Can also be a chart or a graph
|
|
|
tally marks
|
a mark that means a number
used for counting 3 = III |
|
|
bar graphs
|
graphs that use the length of solid bars to represent numbers and compare data
|
|
|
glyph
|
a simple(easy) pictorial(picture) way of writing (shorhand) used to show data
|
|
|
line plots
|
a diagram showing the frequency(how often) of data on a number line
|
|
|
tabular charts and tables
|
table or chart form used to describe a strategy of problem solving or graphing
|
|
|
maximum
|
most, greatest
|
|
|
minimum
|
least,
|
|
|
value
|
numerical worth or amount
|
