Flashcards
Ratios, rates and proportions: definitions and examples
Flashcards do conjunto (15)
- 1What Is A Ratio?A ratio is a comparison of two or more quantities
measured in the same units - 2TWO-TERM RATIOA comparison of two quantities
- 3THREE-TERM RATIOA Comparison of three quantities
- 43:2Ratio form
- 53 to 2Word form
- 66:3:2Three term ratio form
- 76 to 3 to 2three term word form
( a three term ratio only has two forms) - 8In a class of 32 students, there are 24 girls. What is the boys to total students ratio?fraction. decimal. precent
8 over 32. 0.25 25% - 9What is the girls to boys ratio? use the ratio notation to express the ratio?24:8
- 10What is a Rate?A rate is a comparison of two quantities measured in
the different units - 11What is a Unit Rate?A rate where the 2nd term is one.
- 12Find the unit rate of 108cm of growth in 9 days. What is the rate?Word Form: 12 cm per day
Fraction Form: Take the numerator and divide by the denominator - 13What Is A Proportion?A proportion is a relationship that says that two
ratios or rates are equalA rate and a unit rate are a proportion. - 14x over 48 = 7 over 3 what is the value of x?cross multiply to find the value of x
48 x 7= 336
336 divded by 3= 112
x= 112 - 15—
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