In a class of 28 students, there are 12 boys. What is the boy-girl ration?
12/16 or 12:16 reduces to 3/4 or 3:4
100
What is the base and height of a triangle?
Base - one of the sides of the triangle
Height - the perpendicular distance between the base and the opposite vertex of the triangle
100
What is a proportion?
A statement that two ratios are equal
100
What are adjacent angles?
Angles that share a common side
100
Five kilometers is how many meters?
5000 meters
(one kilometer is 1000 meters)
200
The team won 4/7 of its games and lost the rest. What was the team’s win-loss ratio?
4 to 3 or
4:3 or
4/3
200
What is the formula for the area of a triangle?
1/2 bh or bh/2
200
How do we find a cross product?
Multiply the upper term of one ration by the lower term of the other ratio.
200
What are supplementary angles?
Two angles whose measurements when added together equal 180 degrees
200
3/4 divided by 2/5
1 7/8
(multiply 3/4 by the reciprocal of 2/5)
300
There are red marbles and green marbles in the bag. If the ratio of red marbles to green marbles is 4 to 5, what fraction of the total number of marbles is red?
4/9
300
Find the area of a triangle that has a base of 5 cm and a height of 4 cm.
10 cm square
300
Using proportions and cross products solve:
Mia can read 12 pages in 20 minutes. At that rate, how many pages can she read in 30 minutes?
n = 18
300
What are complementary angles?
Two angles whose measurements when added together equal 90 degrees
300
Simplify: 4 to the second power - 2 to the third power
8
400
What is the sample space for flipping a coin and rolling a number cube?
{H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6}
400
A 4 in. by 4 in. square was cut from a 10 in. by 12 in. sheet of construction paper. What is the area of the hexagon that remains?