Ratio & Rates
What is a ratio comparing 3 red marbles to 5 blue marbles?
3:5
.75 as a fraction
3/4
5+3x2
11
What is the area formula for a rectangle?
A=bh
What is the mean of 2,4,6,8.5,10.5
6.2
If 20 notebooks costs $55, what us the unit rate?
$2.75
1/3+1/6
1/2
solve: x+7=15
8
Find the volume: l=3, w=2, h=5
30
What are the steps to finding IQR
2. Split data in half
3. Find Median of first half Q1
4. Find Median of last half Q2
5. Subtract Q3-Q1= IQR
40 mph
2/5 x 3/4
6/20 or 3/10
3 more than twice a number
2x+3
What is the formula for area of a triangle?
A=1/2bh or A=bh/2
What is range??
Highest number-lowest number
Simplify the ratio 12:18
2:3
3/4 Divided by 1/2
3/2 0r 1 1/2
4x=28
7
What is the formula for volume of a rectangular prism?
V=Bh or V=lwh
what is 20+20+20+5+2=
67
If 5 pencils cost $2.50, how much do 8 pencils cost?
$4
Order from least to greatest: .6, 2/3, .58, 8/5
.58, .6, 2/3, 8/5
2(3+5)-4
12
Formula for area of a trapezoid:
A=1/2(b1+b2)h or A=(b1+b2)h/2
What is the graph that shows IQR, Minimum, Maximum, and Median?
Box and whiskers