How much for 1
unit rate
Sean walked 21 kilometers in 3 hours. What was his speed in kilometers per hour?
7 Kilometers per hour
see Powerpoint 2
yes
see powerpoint 7
see powerpoint 12
A) 3:1
B) 16:3
C) 12:4
D) 9:3
B) 16:3
a way to show a relationship or compare two numbers of the same kind
How do they compare
example: compare the number of boys to the number of girls in your class room
ratio
.25/1min
or
1/4 kilometer per minute
See Powerpoint 3
No
see powerpoint 8
see powerpoint 13
A) 10:2
B) 25/5
C) 50 students per 10 tables
D) 3 3/4
D) 3 3/4
the two amounts increase and decrease at the same rate so there is always the same relationship between them
proportional
Leslie ordered a drink at dutch bros for a week. Her total at the end of the week was 33.25. how much was each drink?
4.75:1
see powerpoint 6
no
see powerpoint 9
see powerpoint 14
A) 65 gallons of water per 5 buckets
B) 65 gallons of water per 8 buckets
C)13:1
D) 117:9
B) 65 gallons of water per 8 buckets
something like or equal to something else in number, value, or meaning
the same
equivalent
Jackie is stacking books at the library. She has 400 books to stack. If each shelf holds 20 books, how many shelves does she need to fill?
20 shelves
see powerpoint 5
which lines are proportional
the blue is
see powerpoint 10
see powerpoint 15
A)12:2
B)6:1
C)24:3
D)30:3
C)24:3
AND
D)30:3
In a proportional relationship, the unit rate is called (blank)
constant of proportionality
Edson rode his bike to the library that was 2 miles from home. From the library he went to the grocery store which was a mile from the library. He took the same route back home. This took him in total 30 minutes. To go 1 mile how many minutes did it take him?
1:5
1 mile per 5 minutes
see Powerpoint 4
Which lines are proportional
all of them
see powerpoint 11
see powerpoint 16
A) 24 dogs per 6 bowls of food
B) 36 fries per 9 packets of ketchup
C) 96 books per 24 shelfs
D) 4 video games per console
They all belong