Math Flashcards
math i guess
What is the value of ‘x’ in the equation 2x + 3 = 11?
x = 4
True or False: The sum of two even numbers is always odd.
False
Fill in the blank: The perimeter of a rectangle is calculated by adding the lengths of all _____ sides.
four
What is the area of a triangle with a base of 10 units and a height of 5 units?
25 square units
Which of the following is a prime number: 2, 4, 6, 8?
2
True or False: A negative number multiplied by a positive number results in a negative number.
True
What is the greatest common factor (GCF) of 12 and 18?
6
Fill in the blank: The _____ of a number is the result of multiplying that number by itself.
square
What is the value of 7 squared?
49
What is the formula for the area of a circle?
A = πr²
True or False: The sum of the angles in a triangle is always 180 degrees.
True
What is the mode of the following set of numbers: 3, 7, 3, 2, 9?
3
What is the probability of rolling a 3 on a standard six-sided die?
1/6
Fill in the blank: A _____ is a number that can be divided by 1 and itself without leaving a remainder.
prime number
What is 15% of 200?
30
Which of the following is an integer: -3, 2.5, 0, 3.14?
-3 and 0
What is the least common multiple (LCM) of 4 and 5?
20
True or False: A right triangle has one angle that measures 90 degrees.
True
What is the slope of a line that rises 3 units over 4 units run?
3/4
Fill in the blank: The _____ is the middle value in a set of numbers when they are arranged in order.
median
What is the value of the expression 5(3 + 2)?
25
What is a complementary angle?
Two angles that add up to 90 degrees
True or False: The distance formula is derived from the Pythagorean theorem.
True
What is the volume of a cube with a side length of 3 units?
27 cubic units
What is the distributive property?
a(b + c) = ab + ac
Fill in the blank: The _____ of a number is how far it is from zero on a number line.
absolute value
What is 3/4 + 1/4?
1
What is the formula for finding the circumference of a circle?
C = 2πr
