Geometry and probability
Simplifying Expressions
Math
Percents
Math Vocabulary
Random
100
True or false
a coin is equally likely to land on heads or tales.
True
100
Simplify the following expression: 2(x + 7)
2x + 14
100
Write an inequality that represents the following:
No more than 40 kids can fit on a bus.
x ≤ 40
100
What is 75% of 200?
150
100
What does inverse mean?
reciprocal or opposite
100
How many kids does Mrs. Aquino have?
2
200
You have a circle with a radius of 5cm. What is the circumfrence of the circle?
C= 2(pi)r
31.4
200
Simplify the following expression: -4x - 7x + 9
-11x + 9
200
At the start of the month, the value of an investment was $48.45. By the end of the month the value of the investment changed by a loss of $13.80
What is the value, in dollars, of the investment at the end of the month?
200
What is 20% of 18?
3.6
200
What is the formula to find the constant of proportionality?
k = y/x
200
A graph is proportional when
The straight line passes through the origin
300
The scale on a map shows that 5 centimeters = 2 kilometers.
What number of centimeters on a map represents an actual distance of 5 kilometers?
12.5
300
8y + 2 = 50
y=6
300
re-write the following equation as an expression using the distributive property
14x - 16
2(7x - 8)
300
What is 150% of 300?
450
300
what is the the sum of the interior angles in a triangle?
180 degrees
300
What is the constant of proportionality?
15
400
A circular mirror has a diameter of 12 inches. What is the circumference of the mirror?
12(3.14) = 37.68
400
Simplify: 5 + 3(7x - 2)
21x - 1
400
Keke throws a diving ring into the pool from 3 feet above the surface of the water. From where she throws it, the ring falls 11 feet to land at the bottom of the pool. Write an addition equation to model the problem.
3 + (-11)= -8
400
30 is 50% of what number?
60
400
What does it mean when angles are supplementary?
The sum of the angles is 180 degrees.
400
Who was the first president of the United States?
George Washington
500
Esteban bought 15 bananas for $11.25. Find the unit rate. (Cost per 1 banana)
$0.75 per banana
500
6 -2n> -14
n < 10
500
Write the equation that represents the situation below:
Tom works 40 hours and earns $800.
*Hint - find k first
y = 20x
500
18 is 45% of what number?
40
500
How do you calculate surface area?
Show me your answer - I'll decide.
500
How many dogs does Mrs. Aquino have?
2