Maths Flashcards
(27 cards)
What is the value of π (pi) to two decimal places?
3.14
True or False: The sum of the angles in a triangle is always 180 degrees.
True
What is the formula for the area of a circle?
A = πr²
Fill in the blank: The median is the _____ value in a set of numbers.
middle
What is 15% of 200?
30
Solve for x: 2x + 5 = 15.
x = 5
What is the Pythagorean theorem?
a² + b² = c²
True or False: A square is a type of rectangle.
True
What is the mode of the following set of numbers: 4, 1, 2, 4, 3?
4
What is the next number in the sequence: 2, 4, 8, 16, …?
32
What is the probability of rolling a 3 on a standard six-sided die?
1/6
Fill in the blank: A triangle with all sides of different lengths is called a _____ triangle.
scalene
What is the equation of a straight line in slope-intercept form?
y = mx + b
What is 7 squared?
49
True or False: The circumference of a circle is calculated using the formula C = 2πr.
True
What is the least common multiple (LCM) of 4 and 6?
12
What is 25% of 80?
20
Which is larger, 0.75 or 3/4?
They are equal.
What is the formula for the volume of a cylinder?
V = πr²h
Fill in the blank: An angle greater than 90 degrees is called an _____ angle.
obtuse
What is the first prime number?
2
What is 5 factorial (5!)?
120
True or False: A right angle measures 90 degrees.
True
What is the sum of the interior angles of a quadrilateral?
360 degrees
