10MAT Numbers Revision Flashcards
True or False: The number 0 is a whole number.
True
What is the term for a number that can be expressed as a fraction?
Rational number
What is the value of 10% of 50?
5
What is the value of 7 squared?
49
What is the least common multiple (LCM) of 6 and 8?
24
Fill in the blank: The factorial of 5 (5!) is ____.
120
What is the term for the middle value in a set of numbers?
Median
What is the value of π (pi) approximately?
3.14
What is the result of 15 divided by 3?
5
True or False: -5 is an integer.
True
What is the absolute value of -10?
10
What is the formula for the Pythagorean theorem?
a² + b² = c²
What is the term for the number of square units that cover a shape?
Area
What is the term for the number that is multiplied by itself in an exponent?
Base
What is the value of 5 + 6 × 2?
17
What is the formula for the circumference of a circle?
Circumference = 2πr
What is the median of the numbers: 1, 3, 3, 6, 7, 8, 9?
6
What is 15% of 200?
30
What is a prime number?
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.
What is the definition of an integer?
An integer is a whole number that can be positive, negative, or zero.
True or False: The number 9 is a perfect square.
True
What is the term for a number that is not divisible by 2?
Odd number
What is the next number in the sequence: 2, 4, 6, 8, ____?
10
What is the formula for converting Celsius to Fahrenheit?
F = (C × 9/5) + 32