Converting rates and measurements
Convert 8 inches to centimeters
20.32
18/m = 27/36
Solve this proportion
24
A model truck is 7 and 1/4 inches long.
The actual car is 14 and 1/2 feet long.
What’s the scale?
1 inch =2.54 centimeters 2 feet
5/x = 12/8
Find the value of x
3 and 1/3
What is a comparison of 2 quantities by division
What is ratio
Order each group of rates to least to greatest
100/min, 7 /min, 6 /sec
6 sec, 7 min, 1000 min
6/8 = z/48
Solve this proportion
36
A flag is 255 feet wide. A model of the flag is 4 inches.
What is the scale of the flag?
1 in = 63.75 ft
Use the scale factor of 2/3
6 cm = c9 cm = d
C = 4 cm
D = 6 cm
What is an equation stating that two ratios or rates are equal?
8/16 = 1/2 (example)What is proportion
90000 aluminum cans were recycled in one year. How many cans per week is this?
What is 1875 aluminum cans?
16/x + 5 = 4/5
Solve this proportion
15
Find the scale factor
6 in = 10 ft
1/20
All rectangles are similar
True, false, or sometimes
sometimes
Is a transformation that enlarge or reduce a figure by a scale factor
What is Dilation?
Covert 2 km to yards
Round to nearest tenth
What is 2187.2 yards?
A boat traveled 250 feet in 9.7 seconds. How far will it travel in 1 minute and 30 seconds?
1391.4 feet
4 cm = 2.5 mm
Find scale factor
16/1
Which is correct?
1. 16/18 = 12/x 2. 16/12 = 18/x 1. x = 13.5 ft. 2. X = 24 ft
None are correct
A system for units of length, capacity, and mass or weight
What is Metric or Customary systems?
Convert 5 gal to mL
Round to nearest tenth18927.1
a:b = 2/4
b:c = 4.9 If a equals 10, find the value of c45
A model of an insect has a scale of 0.25 cm = 1 mm
Is the model larger than the actual insect?Yes. It is larger
Two triangles are similar. Triangle A’s measurements are less than triangle b. The scale factor is 0.25. Which is the original triangle?
Triangle B because it was bigger before it was multiplied by 0.25
The process of including units of measurement as factors when you compute
What is dimensional analysis?