World Book Trivia Quiz For Kids-6/11-Numbers

2.

The popular puzzle game, Sudoku uses what type of process to complete?
- Addition
- Subtraction
- Reasoning
Correct Answer

A. Reasoning

Explanation

Sudoku puzzles do not use arithmetic skills like adding and subtracting. Instead, a player uses reasoning (thinking) to narrow down the possible answers for a square.

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3.

The kind of number that tells a position in a group is referred to as _____________.
- An ordinal number
- A cardinal number
- A nominal number
Correct Answer

A. An ordinal number

Explanation

There are different kinds of numbers. Cardinal numbers are numbers that tell how many things there are, such as “I have five apples.” Ordinal numbers are numbers that tell the position of something in a group, such as “I am sixth in line.”

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1
4.

What is the device used to solve arthimetic problems by the ancient Greeks and Romans? Hint: Some cultures still use this device.
- Compass
- Drafting triangle
- Abacus
Correct Answer

A. Abacus

Explanation

An abacus is a counting board used to do arithmetic problems. It was used by the ancient Greeks and Romans. Abacuses are still used today in China and other countries.

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5.

Carl Friedrich Gauss was an influential German mathematician that is referred to as what nickname?
- King of geometry
- Prince of mathematics
- Founder of arithmetic
Correct Answer

A. Prince of mathematics

Explanation

Carl Friedrich Gauss (1777-1855) was a German mathematician. His ideas had enormous influence in nearly all areas of mathematics. He is sometimes called the “prince of mathematics.”
Gauss proved a rule called the fundamental theorem of arithmetic. This rule has to do with natural numbers (1, 2, 3, 4, and so on). It states that every natural number can be gotten by multiplying a unique set of prime numbers. A prime number is a natural number that can be divided evenly only by itself and 1.

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6.

Which of the following is NOT an example of a prime number?
- 1
- 2
- 3
Correct Answer

A. 1

Explanation

Prime number is a whole number greater than 1 that can be divided without a remainder only by itself and by 1. The sequence of prime numbers begins: 2, 3, 5, 7, 11, 13, 17, and so on. All whole numbers greater than 1 that are not prime numbers are called composite numbers.

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7.

Where was the decimal system developed?
- India
- Greece
- Italy
Correct Answer

A. India

Explanation

The word decimal comes from decem, the Latin word for ten. The decimal system got its name because it is a base-ten system. The value of each place is 10 times greater than the value of the place just to its right. Thus, the symbols on the left of a number have larger values than symbols farther to the right.

The decimal system was developed in India more than 2,000 years ago.

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8.

Which famous mathematician developed the symbols for greater than (>), less than (<), and square root (√)?
- Pierre de Fermat
- Evariste Galois
- Thomas Harriot
Correct Answer

A. Thomas Harriot

Explanation

Thomas Harriot (1560-1621) was an English mathematician. He also studied astronomy, navigation, and mapmaking. Harriot is best known for his book on algebra, Artis analyticae praxis (1631). Harriot introduced the symbols for greater than (>), less than (

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9.

Who developed a number system that used fractions?
- Greeks
- Egyptians
- Chinese
Correct Answer

A. Chinese

Explanation

The Chinese developed a number system that used fractions, zero, and numbers less than zero.

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10.

What is the study of numbers?
- Mathematics
- Numerology
- Arithmetic
Correct Answer

A. Arithmetic

Explanation

Arithmetic is the study of numbers. People use arithmetic to work with whole numbers, fractions such as 1/2 and 1/4, and decimals such as .10 and .25. They add, subtract, multiply, and divide numbers. The skills used in arithmetic are used in many other kinds of mathematics, too.

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World Book Trivia Quiz For Kids-6/11-numbers

A number symbol such as "2" or "5" is called what?

Quiz Preview

The popular puzzle game, Sudoku uses what type of process to complete?

The kind of number that tells a position in a group is referred to as _____________.

What is the device used to solve arthimetic problems by the ancient Greeks and Romans? Hint: Some cultures still use this device.

Carl Friedrich Gauss was an influential German mathematician that is referred to as what nickname?

Which of the following is NOT an example of a prime number?

Where was the decimal system developed?

Which famous mathematician developed the symbols for greater than (>), less than (<), and square root (√)?

Who developed a number system that used fractions?

What is the study of numbers?