Podcast
Questions and Answers
The number 2 is a ______ number because it only has two factors, 1 and 2.
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.
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.
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.
When a number is multiplied by itself, it is raised to a ______ of 2.
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The number 4 is a ______ of 12 because 12 can be divided by 4 without leaving a remainder.
The number 4 is a ______ of 12 because 12 can be divided by 4 without leaving a remainder.
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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.
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Description
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.
