Show:
Ratios and Rates
Writing and Solving Proportions Word Problems
Similar Figures and Indirect Measurement
Scale Drawings and Maps
Percents, Decimals, and Fractions
100
Write the ratio 3 boys to 7 girls in three different ways.
What is 3:7, 3 to 7, and 3/7?
100
John made trail mix using 2 cups of nuts and 6 cups of dried fruit. Marcy used 3 cups of nuts and 9 cups of dried fruit. Are the two mixes the same?
What is the trail mix is the same because the ratios form a proportion?
100
Refer to page 389 in your textbook, #6
What is w = 7 in. and a = 27 in.?
100
Refer to page 392 #1.
What is an actual length of 15 feet and an actual width of 10 feet?
100
Write 34/100 as a percent.
What is 34%
200
Write the ratio 8:60 in simplest form.
What is 2:15?
200
If rent for 2 weeks is $750, how much rent is paid for 6 weeks?
What is $2250?
200
Refer to page 388 in your textbook, #4
What is 10/12 = 20/24 = 15/18 = 5/6?
200
Refer to page 393 #4 -- use a proportion.
What is n = 30 km?
200
Write 234% as a decimal.
What is 2.34?
300
Find the unit rate or price of 5 envelopes for $1.50.
What is 1 envelope for $0.30?
300
Peter delivers 4 newspapers in 5 minutes. At this rate, how many newspapers can he deliver in one hour?
What is 48 newspapers?
300
A triangular sail has sides of 10 feet, 24 feet, and 26 feet. If the shortest side of a similar sail measures 6 feet, what is the measure of its longest side?
What is 15.6 feet?
300
The scale 1 in = 32 feet is on a drawing of a tennis court. Find the length of the actual tennis court if the length on the drawing is 2 7/16 in. Write and solve a proportion.
What is 78 feet?
300
Write 1/8 as a percent.
What is 12.5%?
400
You can fit 72 books on three shelves of a bookcase. How many books can you fit on one shelf?
What is 24 books?
400
An electronic car traveled a record of 321.8 mi in one hour. At this rate, how far would it travel in 15 minutes?
What is 80.45 miles?
400
Danielle draws two triangles. The first triangle has sides that are 7, 10, and 13 inches long. The second triangle has sides that are 10.5, 15, and 19.5 inches long. Are the triangles similar, show proof?
What is yes?
400
Refer to page 393 #8
What is 3 cm?
400
Write 1/7 as a fractional percent.
What is 14 2/7%
500
Lola has a collection of old magazines, comic books, and paperback novels. The ratio of magazines to comic books is 2:5, and the ratio of paperback novels to comic books is 1:3. If Lola has 6 magazines, how many paperback novels does she have?
What are 5 paperback novels?
500
A cake recipe calls for 1.5 cups of milk and 3 cups flour. Ann made a mistake and used 5 cups of flour. How many cups of milk should she use to keep the proportion correct?
What is 2.5 cups of milk?
500
A lamppost is 6.5 meters high. Next to it, a 1.2-meter-high mailbox casts a shadow 4.8 meters long. How long is the shadow of the lamppost?
What is 26 m long?
500
Refer to page 393 #10
What is 2 cm?
500
A total of 500 students enter the Science Fair. Of those students, 4 are awarded a trip to Science Camp. What percent of the group is awarded a trip to Science Camp?
What is 0.8%?