State Test Vocab

rational number

• A rational number is a number that is irrational.
• A rational number is always a whole number.
• A rational number cannot be expressed as a fraction.
• A rational number is a terminating or repeating decimal, a fraction, or a perfect square

Tags

CCSS.8.NS.A.1

irrational number

• An irrational number is a non-terminating non-repeating decimal, or a non perfect square (not pretty)

• An irrational number is always negative.
• An irrational number can be expressed as a repeating decimal.
• An irrational number is a whole number.

Tags

CCSS.8.NS.A.1

perfect square

• A perfect square is a fraction that results from squaring an integer.
• A perfect square is always a negative integer.
• A perfect square is a number that cannot be expressed as the square of any integer.
• A perfect square is a number whose square root is a whole number (pretty).

terminating decimal

• A terminating decimal is a decimal that ends or stops

• A terminating decimal is a decimal that cannot be expressed as a fraction.
• A terminating decimal is a decimal that has an infinite number of digits.
• A terminating decimal is a decimal that repeats indefinitely.

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

repeating decimal

• A decimal that has a digit or group of digits that repeat infinitely.
• A decimal that terminates after a few digits.
• A decimal that has a fixed number of digits.
• A decimal that has no repeating digits.

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

non-perfect squares

• numbers whose square root is not a whole number (not pretty)

• 11, 13, 17, 19, 21
• 12, 14, 15, 18, 20
• 1, 4, 9, 16, 25

Tags

CCSS.8.NS.A.1

cube root

• The cube root of a number x is denoted as ∛x.
• The cube root of a number x is denoted as x^(1/2).
• The cube root of a number x is the same as x^3.
• The cube root of a number x is represented as x^(1/4).

Tags

CCSS.8.EE.A.2

scientific notation

• Scientific notation is a method of writing numbers with a power of 10.

• Scientific notation involves adding a coefficient to a power of 10.
• Scientific notation is only used for large numbers.
• Scientific notation is a method for writing fractions.

Tags

CCSS.8.EE.A.3

what is the opposite of a square?

• square root

• cube root

• don't click

• don't click

what is the opposite of a cube?

• cube root

• square root

• don't click

• don't click

Tags

CCSS.8.EE.A.2