Rates, Ratios, Measurement

Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins.  Are the ratios equivalent?

• yes, equivalent

• no, not equivalent

Kyle measured the length of his truck and it was 534 centimeters long. How many meters long is his truck? (1 meter = 100 centimeters)

• 5.34 meters

• 53.4 meters

• 5,340 meters

• 0.0534 meters

Write the ratio as a fraction in simplest form.
21 wins to 14 losses

• 21/14

• 2/3

• 3/2

• 14/21

Find the unit rate.

18 orders in 3 days = ________ orders per day

• 5

• 6

• 7

• 8

Jill's binder weighs 672 grams. How many kilograms is Jill's binder? (1 kilogram = 1,000 grams)

• 67.2 kg

• 6,720 kg

• 0.672 kg

• 0.0672 kg

What's the better deal? 12 gallons of gas for $33 OR 5 gallons of gas for $14?

• 12 gallons of gas for $33

• 5 gallons of gas for $14

What is a ratio?

• A comparison of two quantities; The ratio of a to b can be written as a : b. Ratios can be part-to-part, part-to-whole, or whole-to-part comparisons.

• A ratio of two quantities using different units You read 3 books every 2 weeks.

• A process used to decide which conversion factor will produce the appropriate units

• A table used to find and organize equivalent ratios

What is a ratio table?

• A system of measurement that contains units for length, capacity, and weight

  inches, feet, quarts, gallons, ounces, pounds

• Rates that have the same unit rate 6 miles in 3 hours and 4 miles in 2 hours

• Two ratios that describe the same relationship

  2 : 3 and 4 : 6

• A table used to find and organize equivalent ratios

What is a conversion factor?

• Rates that have the same unit rate

  6 miles in 3 hours and 4 miles in 2 hours

• Two ratios that describe the same relationship

  2 : 3 and 4 : 6

• A rate that equals 1; A conversion factor is used to convert units.

  1 mile = 5280 feet

• A decimal system of measurement, based on powers of 10, that contains units for length, capacity, and mass

  centimeter, meter, liter, kilogram

What is a Ratio Table?

• A table used to find and organize equivalent ratios

• A rate that compares a quantity to one unit of another quantity

• The number a/b associated with the ratio a:b

• Two numbers whose product is 1