Sampling
Area
Angles
Ratios
Random
100
Tracy wants to know if seventh-grade students prefer to do their math homework in silence or with background music. She polled the 21 students in her science class. Seven students preferred to do their math homework in silence, and fourteen students preferred to do their math homework with background music. Identify the sample size in the situation above.
21
100
A square has one side measuring 5 feet. What is its area?
25 square feet
100
A triangle has angles measuring 30 degrees and 40 degrees. What is the measure of the third angle?
110 degrees
100
If there are 6 boys and 3 girls, what is the ratio of girls to boys in lowest form?
1:2
100
m + 3m
4m
200
Rita wants to know if seventh-grade students prefer to do their social studies homework in silence or with background music. She polled the 24 students in her music class. Eight students preferred to do their social studies homework in silence, and sixteen students preferred to do their social studies homework with background music. Identify the sample in the situation above.
Students in Rita's music class
200
A triangle has a base of 6 inches and a height of 9 inches. What is its area?
27 square inches
200
An angle greater than 0 degrees but less than 90 degrees
Acute
200
Simplify:
16:4
4:1
300
Keenan works for Shake City. The company wants to know what milkshake flavor is the most popular. Today, he surveyed every third male customer. Seventeen customers (out of 54 total) were surveyed. Six customers prefer cherry, 4 customers prefer blueberry, and 7 customers prefer banana. Identify the sample size in the situation above.
17
300
What is the area of a rectangle whose given side lengths are 8 cm and 12 cm?
96 square cm
300
I have 1 right angle, 2 other equal angles always of 45°, and 2 equal sides
Isosceles triangle
300
Solve for x to make these proportional:
5/6 = x/36
x = 30
300
The rectangular prism below is intersected by a plane that is parallel to face BCGF, as shown.
400
A city council conducted a survey on speed bumps to see what residents preferred. The council asked every resident in one particular neighborhood what his or her preferences were. Were the results of the city council's survey valid?
No, because the sample was not random.
400
What is the area of a cube with faces equal to 3cm by 3cm?
54 square cm
400
A 180 degree angle is called a ________ angle.
Straight
400
Simplify:
144:60
12:5
400
Sandy works at a clothing store. She makes $9 per hour plus earns 15% commission on her sales. She worked 77 hours over the last two weeks and had a total of $1,997 in sales before taxes. how much she will earn in hourly wages and commission for those two weeks?
$993
500
Josh works for MooMoo Milkshakes. The company wants to know what milkshake flavor is the most popular. Today, he surveyed every third female customer on their favorite milkshake flavor. Sixteen customers (out of 54 total) were surveyed, and 8 customers prefer MooChooChocolate, 4 customers prefer VeryStrawberry, and 4 customers prefer BananaBoBanna. Is there a sampling bias in the situation above?
Yes. Josh only asked female customers.
500
What is the area of a circle whose diameter is 12cm?
113.04 cm squared
500
Angles that adding up to a total of 90°
Complementary Angles
500
Last week Bill earned $210 for a 30-hour week. What was his pay rate?
What would he have earned for a 40-hour week?
Pay rate = $7/hour
In a 40-hour week Bill would have earned $280.