Circles
Ratios
Fractions/Decimals
Proportional Relationships
100
Approximate the circumference of a circle with diameter 15 inches. Use 3.14 for
pi
47.1 inches
100
If the ratio for one pizza of dough to flour to pepperoni is 2:5:6, what would an equivalent ratio for 3 pizzas?
6:15:18
100
Find the quotient of 5 divided by 0.4
12.5
200
Approximate the circumference for a circle with radius 7 meters. Use 22/7 for pi.
44 meters
200
Write three equivalent ratios for the following image.
9:4.5
10:5
8:4
200
Find the sum of
2/3 + -5/6
-1/6
200
What the constant of proportionality if every 5 minutes, 8 gallons of water flow from the faucet (and time is our input)?
8/5
300
Find the approximate diameter of a circle with circumference 28.27 yards
9 yards
300
Find the missing part of the ratio if you want the recipe to taste the same.
6/4 or 1.5
300
Find the product of 8 and .22
1.76
300
Is there a proportional relationship between apples and cost? If so, how do you know? If not, why not?
yes, times 3 every apple to get the cost