8th grade Module 2 Real Numbers

bar notation

• A musical notation
• A method of writing numbers
• A type of coding language
• A way of representing recurring decimals

cube root

• A mathematical operation that finds the number that, when multiplied by itself three times, gives the original number
• A mathematical operation that finds the number that, when multiplied by itself twice, gives the original number
• A mathematical operation that finds the number that, when multiplied by itself four times, gives the original number
• A mathematical operation that finds the number that, when divided by itself three times, gives the original number

integers

• A sequence of numbers
• A type of fruit
• A color
• A whole number, positive or negative, including zero

irrational numbers

• Numbers that can be expressed as a fraction. The decimal repeats.

• Numbers that cannot be expressed as a fraction. The decimal doesn't terminate or repeat.

• Numbers that are always negative
• Numbers that are always positive

natural numbers

• Numbers that include both positive and negative integers
• Numbers that include fractions and decimals
• Numbers that include zero and positive integers
• Numbers that include only positive integers

whole numbers

• Numbers with fractions both positive and negative

• Negative numbers
• Numbers without fractions starting with 0,1,2,3...

• Decimal numbers

perfect cube

• A  number whose cube root is an integer. 27 is a perfect cube because its cube root is 3.

• A number whose square root is a whole number. 25 is a perfect square because its square root is 5.

• A number that is a product of three different integers
• A number that is a product of three same integers

perfect square

• A number that can be expressed as the product of two equal integers
• A number that can be divided by 2
• A number that is always positive
• A number that is always negative

radical sign

• A mathematical symbol used to indicate a square root
• A punctuation mark
• A type of musical notation
• A symbol used in chemistry

rational number

• A number that can be expressed as a fraction
• A number that cannot be expressed as a fraction
• A number that is always positive
• A number that is always negative