Rational Numbers
The rule for adding & subtracting decimals
Line up your decimals
What is an Integer?
A positive or negative number
To solve for x in this equation what operation do I have to do? x+5=10
The area of a square/rectangle
base•height
How do you find the mode?
The number that is repeated the most
How do we divide fractions?
Keep change flip, then multiply across
Numbers to the right of zero are...
Positive
To solve for x in this equation what operation do I have to do? 4x=20
Division
The area of a triangle
base• height divided by 2
How do you find the range?
Subtract the largest and the smallest
The rule for multiplying decimals
Ignore the decimals, multiply like normal and then find your lucky number
Numbers to the left of zero are
Negative
Write an equation: Kimberly babysits for 30 minutes on Saturday. She babysits for x more minutes on Sunday. Enter an equation that represents the total number of minutes, y, Kimberly babysits this weekend.
x+30=y
Area is always...
Squared 2
How do you find the median?
Order the numbers from smallest to greatest, then cross off from both sides to find the middle.
If 862•743=640,466 then what is 8.62•7.43?
64.0466
-3
Write an equation: Emilio sells x amount of video games for $15 each. Write an equation that represents the total amount of money, m, Emilio would make selling any given number of video games.
15x=m
Volume is always...
Cubed 3
How do you find the mean/average?
Add all the values up and then divide by the number of values
The rule for dividing decimals
The divisor (2nd number) cannot be a decimal, move the decimal over until you have a whole number. Do the same to the dividend (1st number).
When graphing points we go _________ first
side to side, left or right
Yahir worked fewer than 20 days last month.
Write an inequality for d, the number of days Yahir worked last month.
d<20
The volume of a rectangular prism
base•width•height
What does skewed right mean?
More data on the left, less on the right