Show:
Vocab
Ratios and Proportions
Geometry:Scale Drawings
Percent - Decimal - Fraction
Percents of a Number
100
A _____________________ compares two numbers by division
What is a cross product
100
Write the ratio: 9 goldfish out of 36 fish
What is 1/4
100
Write as a decimal AND a fraction: 42%
What is .42 and 21/50
100
Find 60% of 35
What is 21
200
25 miles in 2 hours is an example of a _____________
What is a rate
200
Write the unit rate: 3 inches of rain in 6 hours
What is .5 inch / hour
200
Write as a decimal AND a fraction: 4%
What is .04 and 1/25
200
What is 2% of 50
What is 1
300
In order for two ratios to form a proportion, their _______________________ must be equal.
What is cross products
300
Write the ratio: 24 chips out of 144
What is 1/6
300
Write 2/5 as a percent and a decimal
What is .4 and 40%
300
ESTIMATE: 9.5% of 51
What is 5
400
This tells the quantity per unit measure
What is unit rate
400
Solve the proportion: 4/6 = x/15
What is x = 10
400
Write the decimal as a percent .3
What is 30%
400
ESTIMATE: 49% of 26
What is 13
500
A ____________________ gives the ratio that compares the measurements on a scale drawing of an object the measurements of the real object
What is scale
500
Solve the proportion: 10/p = 2.5/8
What is 32
500
On a map, the scale is 1 inch = 25 miles. Find the distance between two cities that are 7 inches apart.
What is 175 miles
500
Write as a decimal and a fraction: 60%
What is .6 and 3/5
500
ESTIMATE: 25% of 122
What is 30