Creating Fractions
Predictions
Identifying Scale Factor
Area
Perimeter
100
7 out of 12 students chose red for math.
7/12
100
5 out of 10 species of reptiles in the zoo are types of snakes. If there were 20 species of reptiles in the zoo, how many would be snakes?
10 species
100
18/45
20/50
16/40
100
What is the formula for area?
length x width = Area
100
What is a formula that you can use to solve for perimeter?
l + w + l + w = p
2l + 2w = p
2(l + w) = p
200
You picked a green block 13 times out of 43.
13/43
200
29 children out of 56 in daycare prefer graham crackers for snack instead of Goldfish. If the daycare had 142 children, how many can we predict would prefer graham crackers for snack?
74 children
200
The scale factor of a model rocket compared to a real rocket is 7 inches to 164 feet. How tall would a model rocket be if the actual rocket was 220 feet?
9 inches
200
When solving for area, what do you include in your answer?
units2
200
Using the scale factor 1 unit : 4 yards, what is the perimeter of the new object in yards?
64 yards
300
Out of 40 books, 17 of them were nonfiction.
17/40
300
Last year, 213 flowers blossomed in the city's garden. 38 of them were daisies. If 300 flowers blossom next year, how many of them would be daisies?
54 daisies
300
A scale model is 1/10 the size of the ship. The length of the scale model is 14 inches. What is the length of the ship?
140 inches
300
The living room on a blueprint has the following dimensions 1.5 inches and 1 inch. The scale factor is
2/11
where 2 inches is equal to 11 feet. What is the area of the living room in real life?
8.25 x 5.5 = 45.375 in.2
300
Find the perimeter of the drawing of the house using the scale factor 6 ft = 8 cm
101 ⅓ cm.
400
25% of the population voted no for the new bill.
25/100
400
12 out of 622 students in 9th grade speak three languages. If there were 3,000 students, how many would you predict to speak three languages?
58 students
400
m = 3.6
400
The scale factor is 2.5 feet : 1 unit
What is the area of the bedroom in real life?
93.75 ft.2
400
1 cm to 23 feet. Each gridline equals 1 cm. Find the perimeter of the actual football field.
966 feet
500
62% of 12,409 people own a car in the suburbs.
62/100
7,694/12,409
500
Out of 45 state parks, 30 of them charge for parking. How many would you predict charge for parking out of 104 parks total?
70 parks
500
A map of the mall is 1/300 of the original size of the mall. The mall is 15 inches wide on the map. How wide is the original size of the mall?
4,500 inches
500
Find the missing side of the smaller rectangle and solve for area.
900 units2
500
Determine the scale factor to find the perimeter of the smaller rectangle.
130 units