5 Questions
The number 2 is a ______ number because it only has two factors, 1 and 2.
prime
To find the ______ of a number, you can raise the number to a power of 1/2.
square root
The ______ of operations is a set of rules that dictates the order in which mathematical operations are performed.
order
When a number is multiplied by itself, it is raised to a ______ of 2.
power
The number 4 is a ______ of 12 because 12 can be divided by 4 without leaving a remainder.
factor
Study Notes
Number Concepts Review
- Different types of numbers include: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.
Multiples and Factors
- A multiple is a product of a given number and an integer.
- A factor is a whole number that divides another number exactly without leaving a remainder.
Prime Numbers
- A prime number is a positive integer that is divisible only by itself and 1.
- Examples of prime numbers include 2, 3, 5, and 7.
Working and Directed Numbers
- Working numbers are positive and negative numbers used to represent quantities in different directions.
- Directed numbers are used to solve problems involving directions, such as movement or location.
Powers, Roots, and Law of Indices
- Powers, or exponents, represent repeated multiplication of a base number.
- Roots, such as square roots or cube roots, represent the inverse operation of powers.
- The law of indices states that an exponent can be added or subtracted according to the rules of multiplication and division.
Order of Operations
- The order of operations is a set of rules used to evaluate mathematical expressions in a specific order: parentheses, exponents, multiplication and division, and addition and subtraction.
Rounding and Estimating
- Rounding involves approximating a number to a specific degree of precision, such as to the nearest ten or hundred.
- Estimating involves approximating a quantity or value, often using mental calculations or rough estimates.
Review fundamental concepts in mathematics, including types of numbers, multiples and factors, prime numbers, and more. Test your understanding of powers, roots, and the order of operations.
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