• **number** ⪢⪢

Digits make up numerals and numerals stand for an idea of a _____ just like letters make up words and words stand for ideas. #math

http://qindex.info/i.php?x=9880

Digits make up numerals and numerals stand for an idea of a _____ just like letters make up words and words stand for ideas. #math

http://qindex.info/i.php?x=9880

• **number** ⪢⪢

A _____ is a count or measurement. It is really an idea in our minds. #math

http://qindex.info/i.php?x=20669

A _____ is a count or measurement. It is really an idea in our minds. #math

http://qindex.info/i.php?x=20669

• **number** ⪢⪢

Here are some ways to show the**number** 4. We can even tap the ground 4 times.
#math

http://qindex.info/i.php?x=20670

Here are some ways to show the

http://qindex.info/i.php?x=20670

◎◎◎ troops ⪢⪢

For comparison, this is nearly the same size as the entire Ukrainian military and about the same**number** of troops sent by United States when invading Iraq in 2003.
┆soldiers or armed forces "UN peacekeeping troops"
￫ forces

http://qindex.info/i.php?x=20194

For comparison, this is nearly the same size as the entire Ukrainian military and about the same

http://qindex.info/i.php?x=20194

◎◎◎ frequency ⪢⪢

The _____ of something is the**number** of times that it happens.

http://qindex.info/i.php?x=13434

The _____ of something is the

http://qindex.info/i.php?x=13434

◎◎◎ dimension ⪢⪢

The**number** of _____s is how many values are needed to locate points on a shape. #math

http://qindex.info/i.php?x=10324

The

http://qindex.info/i.php?x=10324

◎◎◎ prime **number** ⪢⪢

A _____ is one that's only divisible by itself and 1. #math

http://qindex.info/i.php?x=7307

A _____ is one that's only divisible by itself and 1. #math

http://qindex.info/i.php?x=7307

○○○ Moon Jae-in ⪢⪢

South Korean President Moon Jae-in says his country has entered a war against the new coronavirus. South Korea has the largest**number** of infections outside of China.
2020-03-03

http://qindex.info/i.php?x=6724

South Korean President Moon Jae-in says his country has entered a war against the new coronavirus. South Korea has the largest

http://qindex.info/i.php?x=6724

○○○ desperate ⪢⪢

Bangladesh says it is struggling to build camps for the huge**number** of Rohingya fleeing violence in Myanmar. An official with the United Nations said the refugees are arriving in Bangladesh in desperate conditions.

http://qindex.info/i.php?x=7100

Bangladesh says it is struggling to build camps for the huge

http://qindex.info/i.php?x=7100

○○○ case ⪢⪢

South Korea now has over 200 reported _____s of the new coronavirus. That is 4 times the**number** on Tuesday.
2020-02-21

http://qindex.info/i.php?x=6278

South Korea now has over 200 reported _____s of the new coronavirus. That is 4 times the

http://qindex.info/i.php?x=6278

○○○ Goldbach conjecture ⪢⪢

Every even**number** is the sum of two primes.
#math

http://qindex.info/i.php?x=3780

Every even

http://qindex.info/i.php?x=3780

○○○ 2022.03.23 ⪢⪢

In Ukraine, firefighters in Kyiv report the highest**number** of emergency calls since the war's start after Russia shelled the western part of the capital.

http://qindex.info/i.php?x=3960

In Ukraine, firefighters in Kyiv report the highest

http://qindex.info/i.php?x=3960

○○○ nominal **number** ⪢⪢

A _____ is a**number** used like a name, not as an actual value or position.
￫ cardinal, ordinal #math

http://qindex.info/i.php?x=10307

A _____ is a

http://qindex.info/i.php?x=10307

○○○ cardinal **number** ⪢⪢

A _____ says how many of something there are. ￫ nominal, ordinal #math

http://qindex.info/i.php?x=7070

A _____ says how many of something there are. ￫ nominal, ordinal #math

http://qindex.info/i.php?x=7070

○○○ cosmology ⪢⪢

And part of this belief was that everything from _____ and metaphysics to music and morals followed eternal rules describable as ratios of**number**s. #bookmark

http://qindex.info/i.php?x=17322

And part of this belief was that everything from _____ and metaphysics to music and morals followed eternal rules describable as ratios of

http://qindex.info/i.php?x=17322

○○○ Φ ≈ 1.618 ⪢⪢

Keplar observed that the relationship between a**number** in the Fibonacci sequence and the previous **number** more and more closely approaches the irrational **number** Φ, the longer the sequence is continued. #math

http://qindex.info/i.php?x=9464

Keplar observed that the relationship between a

http://qindex.info/i.php?x=9464

○○○ composite **number** ⪢⪢

It is a _____ when it can be divided evenly by**number**s other than 1 or itself. #math

http://qindex.info/i.php?x=9580

It is a _____ when it can be divided evenly by

http://qindex.info/i.php?x=9580

○○○ prime **number** ⪢⪢

It is a _____ when it can't be divided evenly by any**number** except 1 or itself. #math

http://qindex.info/i.php?x=9581

It is a _____ when it can't be divided evenly by any

http://qindex.info/i.php?x=9581

○○○ complex **number** ⪢⪢

A _____ is a**number** that can be expressed in the form a + bi where a and b are real **number**s and i is the square root of -1.
#math

http://qindex.info/i.php?x=9607

A _____ is a

http://qindex.info/i.php?x=9607

○○○ reverence ⪢⪢

Hippasus belonged to a group called the Pythagorean mathematicians who had a religious _____ for**number**s.

http://qindex.info/i.php?x=9864

Hippasus belonged to a group called the Pythagorean mathematicians who had a religious _____ for

http://qindex.info/i.php?x=9864

○○○ transgression ⪢⪢

Hippasus's _____ was a mathematical proof: the discovery of irrational**number**s.

http://qindex.info/i.php?x=9927

Hippasus's _____ was a mathematical proof: the discovery of irrational

http://qindex.info/i.php?x=9927

○○○ dictum ⪢⪢

Their _____ of "all is**number**" suggested that **number**s were the building blocks of the universe.
#bookmark

http://qindex.info/i.php?x=10028

Their _____ of "all is

http://qindex.info/i.php?x=10028

○○○ denote ⪢⪢

The distance along the horizontal axis also called the real axis denotes the real part of a complex**number**.

http://qindex.info/i.php?x=10088

The distance along the horizontal axis also called the real axis denotes the real part of a complex

http://qindex.info/i.php?x=10088

○○○ bullet point ⪢⪢

Ordered list will use the OL tag to add**number**s at the beginning of each line while unordered list will use the UL tag to add a bullet point to each line.
#bookmark #it

http://qindex.info/i.php?x=15379

Ordered list will use the OL tag to add

http://qindex.info/i.php?x=15379

○○○ casualty ⪢⪢

The explosion at the Abbey Gate was the result of a complex attack that resulted in a**number** of US & civilian casualties. We can also confirm at least one other explosion at or near the Baron Hotel, a short distance from the Abbey Gate.

http://qindex.info/i.php?x=16547

The explosion at the Abbey Gate was the result of a complex attack that resulted in a

http://qindex.info/i.php?x=16547

○○○ guard ⪢⪢

If you're cutting hair for the first time, I would recommend starting off with a**number** 4 guard.

http://qindex.info/i.php?x=19240

If you're cutting hair for the first time, I would recommend starting off with a

http://qindex.info/i.php?x=19240

○○○ Bonaparte ⪢⪢

Inside the midnight councils, the lamps are burning low on you sit and talk all through the night but there's just no place to go. And Bonaparte is coming with his army from the south. Marat, your days are**number**ed and we live hand to mouth. #song #lyric

http://qindex.info/i.php?x=19653

Inside the midnight councils, the lamps are burning low on you sit and talk all through the night but there's just no place to go. And Bonaparte is coming with his army from the south. Marat, your days are

http://qindex.info/i.php?x=19653

○○○ place ⪢⪢

China places heavy COVID-19 restrictions on Shanghai, including testing requirements and travel bans, as case**number**s there rise. 2022-03-28

http://qindex.info/i.php?x=15450

China places heavy COVID-19 restrictions on Shanghai, including testing requirements and travel bans, as case

http://qindex.info/i.php?x=15450

○○○ classify ⪢⪢

Another way topologists classify things are in terms of the**number** of distinct loops you can draw around the surface of a shape.

http://qindex.info/i.php?x=5172

Another way topologists classify things are in terms of the

http://qindex.info/i.php?x=5172

○○○ each ⪢⪢

In this example, we're asked to estimate the**number** of degrees each of the shaded figures has been rotated and state the direction of the rotation.
#math

http://qindex.info/i.php?x=20619

In this example, we're asked to estimate the

http://qindex.info/i.php?x=20619

○○○ numeral ⪢⪢

A _____ is a symbol or name that stands for a**number**.
#math

http://qindex.info/i.php?x=20672

A _____ is a symbol or name that stands for a

http://qindex.info/i.php?x=20672

○○○ logarithm ⪢⪢

With logs, the base of the log raised to the power of what's on the other side of the equal sign will equal the**number** that the log is operating on. ┆ x⍻b = y ➔ b˄y = x
#math

http://qindex.info/i.php?x=28240

With logs, the base of the log raised to the power of what's on the other side of the equal sign will equal the

http://qindex.info/i.php?x=28240

○○○ #TOEIC ⪢⪢

Then find the**number** of the question on your answer sheet and mark your answer.

http://qindex.info/i.php?x=28480

Then find the

http://qindex.info/i.php?x=28480

○○○ #TOEIC ⪢⪢

Look at the picture marked**number** 1 in your test book.

http://qindex.info/i.php?x=28484

Look at the picture marked

http://qindex.info/i.php?x=28484

○○○ #TOEIC 41 ~ 43 ⪢⪢

Oh, for some reason, we have this seat**number** 24a, down for a special meal request.

http://qindex.info/i.php?x=28735

Oh, for some reason, we have this seat

http://qindex.info/i.php?x=28735

• 12 Division of Large **Number**s

Division of Large**Number**s: Long Division

http://qindex.info/i.php?x=4828

Division of Large

http://qindex.info/i.php?x=4828

• 09 Addition and Subtraction of Large **Number**s

Addition and Subtraction of Large**Number**s

http://qindex.info/i.php?x=4825

Addition and Subtraction of Large

http://qindex.info/i.php?x=4825

◌◌◌ dimension

The**number** of dimensions is how many values are needed to locate points on a shape.

http://qindex.info/i.php?x=5044

The

http://qindex.info/i.php?x=5044

• BC 0800? Roman Numerals

The Romans showed**number**s into the thousands using these 7 symbols: I for 1, V for 5, X for 10, L for 50, C for 100, D for 500 and M for 1000.

http://qindex.info/i.php?x=5164

The Romans showed

http://qindex.info/i.php?x=5164

• 07 How to organize, add and multiply matrices

By now, I'm sure that in just anything you do in your life, you need**number**s. In particular, though some fields don't just need a few **number**s, they need lots of them. How do you keep track of those **number**s?

http://qindex.info/i.php?x=5195

By now, I'm sure that in just anything you do in your life, you need

http://qindex.info/i.php?x=5195

• prime **number** theorem

○ Around 300 BC Euclid proved there were infinite**number** of prime **number**s.
○ The **number** of prime **number**s less than a certain natural **number** is asymptotically equivalent to x/(x⍻e).

http://qindex.info/i.php?x=3779

○ Around 300 BC Euclid proved there were infinite

http://qindex.info/i.php?x=3779

• least common denominator

The denominator is the bottom**number** in a fraction. It shows how many equal parts the item is divided into.

http://qindex.info/i.php?x=8951

The denominator is the bottom

http://qindex.info/i.php?x=8951

• 05 Large Whole **Number**s: Place Values and Estimating

Large Whole**Number**s: Place Values and Estimating

http://qindex.info/i.php?x=4821

Large Whole

http://qindex.info/i.php?x=4821

• 02 Basic **Number** Properties for Algebra

Basic**Number** Properties for Algebra

http://qindex.info/i.php?x=4987

Basic

http://qindex.info/i.php?x=4987

• Roman numeral

The Romans showed**number**s into the thousands using these 7 symbols: I for 1, V for 5, X for 10, L for 50, C for 100, D for 500 and M for 1000.

http://qindex.info/i.php?x=5045

The Romans showed

http://qindex.info/i.php?x=5045

• 11 Multiplication of Large **Number**s

Multiplication of Large**Number**s

http://qindex.info/i.php?x=4827

Multiplication of Large

http://qindex.info/i.php?x=4827

• 1571 - 1630 Johannes Kepler

Keplar observed that the relationship between a**number** in Fibonacci sequence and the previous **number** more and more closely approaches the irrational **number** Φ the longer the sequence is continued and Φ describes nothing other than the golden section.

http://qindex.info/i.php?x=5056

Keplar observed that the relationship between a

http://qindex.info/i.php?x=5056

◌◌◌ Line

From here, we can construct a one- dimensional object by stringing an infinite**number** of points along a particular dimension. This object is called a line.

http://qindex.info/i.php?x=5177

From here, we can construct a one- dimensional object by stringing an infinite

http://qindex.info/i.php?x=5177

◌◌◌ Space

By stringing an infinite**number** of lines along a dimension perpendicular to the line, a two-dimensional object called a plane can be obtained. And then if we string an infinite **number** of planes in either direction, we get three dimensional space.

http://qindex.info/i.php?x=5178

By stringing an infinite

http://qindex.info/i.php?x=5178

• 41 Logarithms Part 1

When we say log base b of x equals y, we are saying b to the y equals x. With logs, the base of the log raised to the power of what's on the other side of the equal sign will equal the**number** that the log is operating on.

http://qindex.info/i.php?x=3638

When we say log base b of x equals y, we are saying b to the y equals x. With logs, the base of the log raised to the power of what's on the other side of the equal sign will equal the

http://qindex.info/i.php?x=3638

• 16 Divisibility, Prime **Number**s, and Prime Factorization

The fundamental theorem of arithmetic: there is only one unique set of prime factors for any**number**.

http://qindex.info/i.php?x=4832

The fundamental theorem of arithmetic: there is only one unique set of prime factors for any

http://qindex.info/i.php?x=4832

◌◌◌ Plane

By stringing an infinite**number** of lines along a dimension perpendicular to the line, a two-dimensional object called a plane can be obtained. And then if we string an infinite **number** of planes in either direction, we get three dimensional space.

http://qindex.info/i.php?x=5031

By stringing an infinite

http://qindex.info/i.php?x=5031

• 25 What are the Types of **Number**s?

Real vs. Imaginary, Rational vs. Irrational

http://qindex.info/i.php?x=5262

Real vs. Imaginary, Rational vs. Irrational

http://qindex.info/i.php?x=5262

• 02 Division Algorithm

O.K. So here we're gonna look at a classic result in elementary**number** theory known as the division algorithm.

http://qindex.info/i.php?x=1974

O.K. So here we're gonna look at a classic result in elementary

http://qindex.info/i.php?x=1974

• Types of **Number**s

a divine perfection, all hell broke loose, survey, taxonomy

http://qindex.info/i.php?x=9547

a divine perfection, all hell broke loose, survey, taxonomy

http://qindex.info/i.php?x=9547

• **number**

A**number** is a count or measurement. It is really an idea in our minds.
○ count: the total determined by counting
○ measurement: the size, length or amount of something, as established by measuring

http://qindex.info/i.php?x=9577

A

http://qindex.info/i.php?x=9577

◌◌◌ dimension

The**number** of dimensions is how many values are needed to locate points on a shape.

http://qindex.info/i.php?x=9579

The

http://qindex.info/i.php?x=9579

• prime **number** theorem

○ π(n) is asymptotically equivalent to x/log x. ○ Of the first n integers, roughly 1/log n of them would be prime. #math

http://qindex.info/i.php?x=9583

○ π(n) is asymptotically equivalent to x/log x. ○ Of the first n integers, roughly 1/log n of them would be prime. #math

http://qindex.info/i.php?x=9583

• irrational **number**

Irrational**number**s can't be expressed as the ratio of two integers. #math

http://qindex.info/i.php?x=9591

Irrational

http://qindex.info/i.php?x=9591

• Logarithms Explained

What is the power that I should raise this base to in order to get this**number**?

http://qindex.info/i.php?x=9635

What is the power that I should raise this base to in order to get this

http://qindex.info/i.php?x=9635

• Logarithms Explained

Anytime you see log base b of some**number** n, you can think about it as asking the question "What power do I need to put in my exponent to get b to that power equal to this **number** n?"

http://qindex.info/i.php?x=9637

Anytime you see log base b of some

http://qindex.info/i.php?x=9637

• Mathematical Induction

Let P(n) be a statement for each natural**number** n. If
(a) P(1) is true, and
(b) P(k) true ⇒ P(k+1) true for every natural **number** k∈ℕ
then P(n) is true for all n∈ℕ.

http://qindex.info/i.php?x=9716

Let P(n) be a statement for each natural

http://qindex.info/i.php?x=9716