A ratio is a comparison of two quantities with units
TRUE or FALSE ???
FALSE (no units!)
George read 126 pages of a book in 18 minutes. How many pages did he read in 1 minute?
7 pages per minute
5 shovels of sand are mixed with 4 shovels of gravel to make cement. What is the number of shovels of gravel needed for 45 shovels of sand.
(Hint: set up a proportion!)
36 shovels of gravel
Are the two ratios below equivalent?
5/13 & 15/26
NO
Give your best definition of "Area"
Example: The space inside a 2-D shape.
What are the 3 ways to write a ratio?
fraction, colon, "to"
Science materials cost $65.70 to do an experiment. If 9 students participated in the experiment, what was the unit cost per student?
$7.30 per student
Ari can walk 2 miles in 40 min. What is the amount of time it will take him to walk 4 miles?
80 min.
Ricky made $600 in two weeks. Find the unit rate.
$300/week
Find the area of this shape.
A=200 m2
In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes in simplest form.
What is 2/5
The McCallister Family has 5 kids. They wanted to buy them each a toy and the total came to $69.72. How much did they spend on each child?
$13.94 per child
Solve the proportion:
3/8=15/x
x = 40
Name the 3-dimensional shape this net represents
Triangular Prism
Find the area of the shape below.
A = 16.38 ft2
Kelly has 10 green shirts and 16 red shirts.
What is the ratio of red shirts to green shirts in simplest form?
8/5 (NOT 1 & 3/5)
A factory can produce phone chargers at a rate of 1500 chargers in 3 hours. What is the unit rate per hour?
500 phone chargers per hour
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses.
250 people
Name the 3-dimensional shape given by the net below:
Rectangular Pyramid
OR Square Pyramid
Find the volume of a rectangular prism if
h = 2 1/8 cm , w = 8 3/4 cm , l = 4 2/5 cm
V = 81 13/16 cm^3
There are 7 triangles and 14 stars.
What is the ratio of stars to triangles in simplest form?
2:1 2 to 1 2/1
Joe & Nic went out to dinner. They had fish for $28.99, chicken for $19.99 and dessert for $5.99. If they want to split the bill evenly, what will be the total cost per person (before tax & tip!)
$27.49 each
Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates that 8 trucks can carry.
320 crates
Larry can type 225 words in 3 minutes. Terry can type 420 words in 7 minutes.
Who can type faster? Prove it!
Larry can type faster.
Larry types at 75 words / min
Terry types at 60 words / min
Find the area of the shape below.
A = 19 ft2