Ratios
Proportions
Is this proportional?
Scale factors
Random Questions
100
This says how much of one thing there is compared to another thing.
Ratio
100
How would you determine if this proportional?
Y/x must have the equivalent.
100
Is this proportional ?
No
100
What is scale factor?
The number that we use to multiply to create a reduction or enlargement.
100
What is unit rate of this story:
Johnny is making cookies. He uses 9 cups of flour and 6 cups of chocolate chips. What is the unit rate.
3 cups of flour to 2 cups of chocolate chips
200
We can write this as A:B or A to B or A/B
Ratio
200
What is another way to say this
fraction 3/2 and 3 to 2
200
Yes
200
What is the scale factor of these rectangles?
2/3 or 3/2
200
Triangle ABC is the scale drawing and the other triangle is the actual object. What is the ratio of the area of the actual drawing to scale drawing?
384 /96 = 4
300
If a class has 30 students and has 10 boys, what is the ratio of girls to students?
20:30
300
Johnny thinks that a proportion of 1 to 3 is not the same as 3 to 9. Is he correct?
no
300
Yes
300
if triangle ABC is the scale drawing, is this an enlargement or a reduction?
Reduction
300
Are these triangles similar?
Yes
9/12 =15/20=12/16
400
Eliyah drove 26 miles in 30 mins. What would her unit rate be when comparing miles per hour?
52 miles for 1 hour
400
Which is equivalent to 2/3.
a. 5/6 b.20/30
B
400
NO
400
What is d?
d= 27/4
400
C = 7 hours to build 8 birdhouses
500
What another name for unit rate?
Constant of proportionality
500
What are 2 equivalent fractions to 7/8
Varies what ever you multiply the top by you multiply the bottom by.
500
NO
500
What are real life ways that we use scale factor
Blue prints and recipe
500
What is the ratio of the areas of these rectangles?
160/360 or 360/160 or 2.25