Numbers
What is the sum of 7 and 8?
15
What is the sum of angles in a triangle?
180*
Solve for x: x + 5 = 12
x = 7
Convert 0.75 to a fraction
3/4
Arman has 12 apples. He gives away 5. How many does he have left?
7
What is 12 squared?
144
What is the name of a 5-sided polygon?
Pentagon
If y = 3x and x = 4, what is y?
12
Simplify: 8/12
2/3
A book costs $12.50. If you buy 3, how much do you pay?
$37.50
What is the square root of 81?
9
What do we call a triangle with all sides of different lengths?
Scalene triangle
Expand: (x + 3)(x - 3)
x² - 9
Convert 3/5 to a decimal
0.6
A train travels at 60 km/h for 2.5 hours. How far does it go?
150 km
What is 5 factorial (5!)?
120
What is the Pythagorean Theorem?
a² + b² = c²
Solve: 2x² - 8 = 0
x = ±2
What is 2/3 + 3/4?
17/12
The perimeter of a rectangle is 24 cm. If its width is 5 cm, what is its length?
7 cm
What is the prime factorization of 60?
2 × 2 × 3 × 5
What is the area of a circle with radius 3?
π × 9 = 9π
What is the formula for the quadratic equation?
x = (-b ± √(b² - 4ac)) / 2a or x = -b ± √D / 2a
Convert 2.35 to a fraction
47/20
A bag contains 5 red, 3 blue, and 2 green marbles. What is the probability of picking a blue one?
3/10