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| Change ____ to an improper fraction |
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| What is an example of a mixed number? |
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| If Joe works from 9 AM to 6 PM, how many hours did he work? |
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Definition
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| What does it mean to simplify? |
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Definition
| To break something (a fraction) down so that it is only divisible by 1 and no other number |
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| What is an equliateral triangle? |
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Definition
All sides are the same.
All angles are the same. |
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| What is the horizontal axis? |
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Definition
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| How many sides does a pentagon have? |
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| How many sides does an octagon have? |
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Definition
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| What does congruent mean? |
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Definition
It means equal.
Example: Congruent angles, congruent sides |
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| What are perpendicular lines? |
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Definition
| Perpendicular lines create 90 degree angles. |
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Scalene means all sides are different lengths.
Obtuse means an angle over 90 degrees. |
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| Change .80 into a fraction |
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Definition
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| What does it mean to half something? |
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Definition
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| What is the difference between the legs of a right triangle and the hypoteneuse? |
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Definition
The legs of a triangle create the 90 degree angle. The hypoteneuse is always the longest side.
a2+b2=c2
a and b are both legs
c is the hypoteneuse |
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| What is an improper fraction? |
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Definition
When the numerator is larger than the denominator
Example: 55/7
ExaE
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What is the numerator?
What is the denominator? |
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Definition
The numerator is the top part of the fraction.
The denominator is the bottom part (or total). |
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Definition
| All sides would be different lengths, and one of the angles would be a right angle. |
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| What are equivalent fractions? |
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Definition
Two fractions that are equal.
An example would be 3/4 and 6/8. Both equal 0.75 |
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Definition
| An answer to a division problem |
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Definition
The order of operations:
Parenthesis, exponents, multiplication, divsion, addition, subtraction |
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| What is the difference between area and perimeter? |
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Definition
Area is inside of an object (The rec. area)
Perimeter is adding up all the lengths on the outside. (Think of the outside perimeter trucks driving around) |
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Definition
(x, y)
x tells you to move left or right
negative x - move to the left
positive x - move to the right
y tells you to move up or down
negative y - move down
positive x - move up
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Term
What is...
-3 + (-4) =
5-8 =
3-(-9) = |
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Definition
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Term
| What is the correct place value following a decimal? |
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Definition
tenths
hundredths
thousandths |
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Term
What is...
positive x positive
postive x negative
negative x negative |
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Definition
positive
negative
positive |
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Term
| Can you add and subtract fractions? Mixed numbers? |
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Definition
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Term
| Do you know how to multiply and dived fractions? Mixed numbers? |
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Definition
| Remember, when dividing fractions you need to flip it and reverse it. |
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What are your rounding rules?
Round 18.87 to the nearest tenth. |
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Definition
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Term
How do you order or compare fractions?
1/3, 3/4, 1/2 |
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Definition
You need to have all the fractions with the same denominator. This means creating equivalent fractions. Then you can put them in order.
4/12, 9/12, 6/12
1/3, 1/2, 3/4 |
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Term
.75 as a fraction and percent
.2 as a fraction and percent |
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Definition
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base x rate = part
Percent of a number
What is 30% of 400?
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Definition
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Term
How to find percent increase/decrease
Initially paid $7.50 per hour, got a raise to $8.10 per hour. What was the percent increase? |
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Definition
Original amount - New amount divided by original amounth
8.10-7.50= 0.6
0.6/7.5-0.08
0.08 x 100= 8% |
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Length
Feet, inches, yards, miles |
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Definition
1 ft = 12 in
1 yd = 3 ft = 36 in
1 mile = 5280 ft |
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Volume
cups, pints, quarts, gallons |
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Definition
1 c = 8 fl. oz.
1 pt = 2 c
1 qt = 2 pt
1 gal = 4 qt |
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Weight
pounds, ounces, tons |
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Definition
1 pound = 16 ounces
1 ton = 2000 lb |
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Time
minutes, seconds, hours, days, weeks, years |
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Definition
1 min = 60 sec
1 hour = 60 min
1 day = 24 hour
1 week = 7 days
1 year = 12 months = 365 days |
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Definition
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Definition
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Definition
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Definition
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Definition
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Definition
Base x Height
or
Length x Width |
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Definition
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Definition
Mean - The average
Median- Put all the numbers in order from least to greatest, it will be the middle number
Mode- The number that occurs the most
Range- The largest number - the smallest |
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| Probability (Pick a card out of a hat) |
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Definition
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Algebraic Equation
vs
Algebraic Expression |
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Definition
3x = 9 is an equation because it has an equal sign
4f is an expression because there is no equal sign |
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Definition
D= rt
Distance = rate x time |
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Definition
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Definition
Rise/Run
Rise (The change up/down)
Run (The change left/right)
y2-y1/x2-x1 |
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Definition
y=mx + b
m is the slope
b is the y-intercept |
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| What is the difference between the x-intercept and the y-intercept? |
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Definition
x-intercept = where a line crosses the x-axis
y-intercept = where a line crosses the y-axis |
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Term
| What is special about the base and height? |
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Definition
The base and height of a triangle, rectangle, or square create a right angle.
You need to know these values to calculate area of a triangle and area of a rectangle/square. |
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Volume
Rectangular Solid
Cube |
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Definition
Rectangular solid:
V=l x w x h
Cube:
V=s3 |
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Definition
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Angles
Right Angle
Acute Angle
Obtuse Angle
Straight |
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Definition
Right = Exactly 90
Acute = 1-89
Obtuse = 91-179
Straight = 180 |
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Definition
| Two lines that will never cross or intersect |
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