Area of Circles
Circumference of Circles
Scale Factory
Unit Rate with complex fractions
Constant of proportionality
How well do you know me?
Percents
100

What does the area of the circle measure?

The amount of space inside the circle.

100

What does the circumference of a circle measure?

The distance around the circle.

100


3

100

Find the unit rate for: 150 miles in 6 gallons

25 miles per gallon

100

What is k mean in y=kx?

Constant of proportionality

100

What is the name of my daughter?

Addison

100

9 is 18% of what number?

x = 50

200

What is the formula of a circle?

a = 3.14 x radius squared

200

What is the formula for the circumference of a circle?

c = pi x dimeter

200

what is the scale factor from the small shape to the large shape?

4

200

Find the unit rate for: 105 students in 3 classes

35 students per class.

200

Drew paints portraits.  Find the constant of proportionality if it is a proportional relationship 

Time (in hours) = x             Number of portraits = y

           1                                          5

           2                                          10

           3                                          15

           4                                          20

5 portraits per hour

200

What is the name of my son?

Tyler

200

Brain Break: What is the hardest substance in your body?

Tooth enamel.

300

If the radius is 3, what is the area of the circle?

28.26

300

If the diameter is 12, what is the circumference of the circle?

37.68

300

If a shape is reduced what has to be true about the scale factor?

The scale factor has to be less than 1.

300

Noah eats 1/3 of an apple in 1/6 of a minute. How many apples can Noah eat in a minute?

2 apples per minute

300

The table shows the amount earned by Harry for selling ice cream.  Find k.


Cups Sold = x              3         5        7         9

Earnings ($)  = y         12        20      28       36

4

300

What type of dog do I have?

golden doodle 

300

46 is what percent of 69?

x = 66.67

400

If the diameter is 12, what is the area of the circle?

113.04

400

If the radius of the circle is 4, what is the circumference of the circle?

25.12

400

The value of the unknown side length x is ...

2.5

400

Samuel used 1/5 of an ounce of butter to make 1/15 of a pound of jelly. How many ounces of butter are needed to make a pound of jelly?

3 ounces per pound

400

Find the constant of proportionality and what does it mean?

46 miles per hour

400

What University did I graduate from?

UK

400

What number is 75% of 44?

x = 33

500

If the circumference is 314, what is the area?

7850

500

If the area of the circle is 28.26, what is the circumference?

18.84

500

The value of the unknown side length x is ...

7

500

Aiden walked 3/4 of a mile in 1/6 of an hour. How far can he walk in an hour?

4 1/2 miles per hour

500

What is the constant of proportionality and what does it mean?

12 miles per hour

500

What is my favorite soft drink

Ale81

500

What percent of 60 is 42?

 x = 70