What is the probability of an event that is impossible?
What is 0
100
A statement that two ratios are equal is this.
What is a proportion.
100
The ratio of boys to girls in the class is 3 to 4. If there are 12 girls, how many boys are there?
What is 9 boys.
100
Two shapes that are the same shape different shape
What is similar shapes.
200
Find the sum of (-6) + (+2)
What is -4
200
Nathan flips a coin three times. Find the probability of getting heads at least once.
What is 7/8
200
To park for 2 hours, a lot charges $3. To park for 3 hours, the lot charges $4. Is the time parked and the fee charged by the lot a proportional relationship?
What is no because the ratios are not equal.
200
The ratio of the length to width of a rectangular room is 5 to 4. If the room is 20 feet long, how wide is the room?
What is 16 feet wide.
200
Two shapes that are the same size and same shape are this.
What is congruent shapes
300
Name two real life uses of integers.
What is temperature and banking (credit/debit).
300
What is found by analyzing a situation?
What is theoretical probability.
300
24/m = 8/5 What is m?
What is 15.
300
The ratio of the vase of a certain triangle to its height is 3 to 2. If the base of the triangle is 24 inches, what is the height of the triangle?
What is 16 inches.
300
If two triangles have proportional corresponding side lengths, then the triangles are similar. What is this called?
What is Side-Side-Side Triangle Similarity or S-S-S
400
How do you add with different signs?
What is subtract the absolute value of the addends and use the sign with the greater absolute value.
400
What are the odds of rolling a 6 if a number cube is rolled once?
What is 1:5. Remember, odds are favorable to unfavorable, not total.
400
2/8 = 6/x What is x?
What is 24.
400
The student-teacher ratio in the primary grades is 20 to 1. If there are 100 students in primary grades, how many teachers are there?
What is 5 teachers.
400
If the angles of one triangle are congruent to the angles of another triangle, then the triangles are similar and their corresponding side lengths are proportional. This is called what?
What is Angle-Angle-Angle Similarity or A-A-A
500
How do you subtract integers? Show an example.
What is add its opposite. EX. (-2) - (4) = (-2) + (-4) = -6
500
A coin is flipped three times. What is the sample space of this experiment?
What is HHH, HHT, HTH, HTT, THH, THT, TTH, TTT
500
Nora is paid $12 an hour. Is her pay proportional to the number of hours she works?
What is yes.
500
What are three ways to express a ratio?
What is colons, fractions, and the word to.
500
Triangle ABC has side lengths of 5 in., 4 in., and 3 in. Triangle DEF is similar and has side lengths of 15 in., 12 in., and x in. What is x?