maths Flashcards
(26 cards)
What is the value of 7 + 5?
12
What is the product of 8 and 6?
48
True or False: A triangle has four sides.
False
Fill in the blank: The sum of the angles in a triangle is ___ degrees.
180
What is the formula for the area of a triangle?
Area = 1/2 × base × height
What is the first step in solving the equation 2x + 3 = 11?
Subtract 3 from both sides.
Multiple choice: What is 15% of 200? A) 25 B) 30 C) 35 D) 40
B) 30
What do you call a number that is not a whole number?
A decimal or a fraction.
True or False: The median is the middle value in a set of numbers.
True
What is the mode in the set of numbers: 3, 5, 3, 8, 9?
3
Fill in the blank: In algebra, ‘x’ is commonly used to represent a ___.
variable
What is the equation of a straight line in slope-intercept form?
y = mx + b
Multiple choice: Which of the following is a prime number? A) 4 B) 6 C) 7 D) 9
C) 7
What is the least common multiple (LCM) of 4 and 5?
20
True or False: An equilateral triangle has all sides of equal length.
True
What is the circumference of a circle with a radius of 7 units? (Use π ≈ 3.14)
43.96 units
What is the difference between the highest and lowest numbers in a data set called?
Range
Fill in the blank: The formula for the area of a rectangle is ___ times ___.
length times width
What is an expression that represents the total cost of x apples at $2 each?
2x
Multiple choice: What is the value of 9 squared? A) 18 B) 27 C) 81 D) 72
C) 81
What do you call a triangle with one angle greater than 90 degrees?
Obtuse triangle
True or False: The intersection of two sets is the elements that are in both sets.
True
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 2 without a remainder.
even number
