RRRRRR-Ratios are GRRRRReat
What are the three ways to write a ratio? Use the values 7 and 5 in your example.
7:5 or 5:7
7 to 5 or 5 to 7
7/5 or 5/7
How should you set up a proportion to solve a problem involving percents?
Part / Whole = % / 100%
In a rate, you compare two different units. (For example, dollars and pounds, miles per hour.)
To be a unit rate, one of the values has to be...?
1
Per pound, per hour, etc.
How many feet are in 1 mile? (hint: use the tool you would get on STAAR)
5,280 feet
Explain how you change a decimal to a fraction AND to a percentage.
Fraction -- You use place value, which becomes your denominator. (0.23 ends in the 100ths place; so 23/100)
Percentage -- Move the decimal 2 times to the RIGHT
Each class at Lomax has a ratio of 12 boys to 15 girls.
Express this ratio in simplest form.
4 boys to 5 girls
A rectangle is split into 5 pieces. Two of the pieces were colored red. What percent of the rectangle's pieces were colored red?
40%
Mike traveled for 5 days. He went 350 miles. How far did Mike travel per day?
70 miles per day
Jonathan had a goal of eating 45 grams of protein for each meal. How many kilograms of protein is that?
.045 kg
During the month of April, Houston had 0.85 inches of rain.
What are equivalent percent and fraction for this amount? Remember to simplify your fraction...
17 / 20
85%
Jenna bought some pens. Each pack contained 8 black pens and 3 blue pens. If she purchased 5 packs how many pens of each color would she have?
40 black pens & 15 blue pens
The school musical lasts a total of 90 minutes. The main character is on stage for 80% of the show.
How many minutes is the main character on stage?
72 minutes
Mrs. Nichols has to split the 480 6th-grade students into the 15 available classrooms during MAX Time.
How many students per classroom would that be?
32 students per classroom
Jason had been measuring the vine that grew on his fence. On his last measurement, he measured it to be 6.75 feet.
How long would that be in inches?
81 inches
Seven of the fifty Astros baseball cards Kyle has are of Jose Altuve.
Provide the fraction, decimal, and percent for this amount.
7 / 50
0.14
14%
A dog groomer typically grooms a ratio of 5 small dogs to 3 large dogs each day. Last month, they were able to groom 72 large dogs.
How many total dogs did they groom last month?
192 total dogs
Fifteen students in the 6th grade had blue eyes. This represented 3% of the total number of 6th graders.
How many total students are in the 6th grade?
500 students
Over the course of a week, the average person yawns 875 times.
What would this be per day?
125 yawns per day.
For the party on Friday, Jesse planned on making 6 gallons of punch. Unfortunately, the mix he had only came in pint-sized packages.
How many packs would he need to have enough punch?
48 pint-sized packages
Only 3 of the 8 students on the A+Academic team were boys.
What are the percent and decimal equivalents to the fraction of boys on the team?
37.5%
0.375
Mark is putting new tile in his kitchen. He plans on building a pattern that uses 7 blue tiles and 13 white tiles. If he needs 8,000 tiles to cover his kitchen, how many blue tiles will be used?
2,800 blue tiles
During his last two games, 36 of Kevin Duant's 48 baskets (excluding free-throws) were 2-pointers.
What percent of his baskets were 3-pointers?
25%
Maria charges $26 to babysit for 4 hours. Selene $21.75 for 3 hours of babysitting.
Which girl offers the better for the person hiring her?
Maria does ($6.50 per hour)
(Selene would be $7.25)
During the long jump competition, Mack was able to jump 2.8 yards. Don was able to jump 9.6 feet. To determine the winner, both measurements need to be in inches.
Who would have won the competition?
Don wins (115.2 inches)
(Mack got 100.8 inches)
Sixteen of the forty vehicles parked on Big Bob's Cars lot were trucks.
What are the simpified fraction, percent, and decimal for the vehicles that were NOT trucks?
3 / 5
0.6
60%