# KS3 Mathematics Number quiz

#### Quiz Description

Mathematics, the study of numbers, shapes, and patterns is a very important science subject that provides an effective way of building mental discipline and encourages logical reasoning and mental diligence. In this quiz, we will be looking particularly at Numbers. The study of numbers has always been very important to our society as we make use of numbers almost on daily basis and we might not even realize it. For example, we buy anything with money, and money is in figures(numbers). In the course of this quiz, you will learn multiplication, Addition, subtraction, and manipulation of numbers as well as reading figures.

Now let's look at what a number is; A number is simply a word like one, two, three, ten, etc, or a symbol such as 1,2,3,10, etc used to express how many of a thing(s) we are referring to. So basically, we can define a number as an arithmetic value, expressed in words, symbols or figures to represent a particular quantity and also in counting and making calculations.
Numbers are divided into 5 main type, these are;

• Natural Numbers (N)  for example 1, 2, 3, 4, 5, 6, … ∞
• Whole Numbers (W) for example 0, 1, 2, 3, 4, 5, 6, …
• Integers (Z): which include all whole numbers,  for example -2, -1, 0, 1,2
• Rational numbers (Q) which include all integers and whole numbers, for example1, 4, 22, -40
• Real numbers examples are rational and irrational numbers like √3, 2, -2

We also have Prime numbers, these are numbers that are divisible by only one and themselves. For example, 2, 3, and 5.

Each quiz here is made up of 15-20 MCQ each having 4 options to choose from. For more quizzes in Mathematics, be sure to click here. Take the quiz, and test yourself on how well you know numbers.
Good luck!

What is 76 - 14?

Correct
• 62
• 64
• 66
• 68

What is twice the amount of 345?

Correct
• 690
• 700
• 710
• 720

What number must be subtracted from 1,200 to get 630?

Correct
• 470
• 570
• 620
• 700

What is the biggest number you can divide into both the numerator and denominator of 33/66?

Correct
• 3
• 6
• 11
• 33

How is 75% written as a decimal?

Correct
• 0.5
• 0.7
• 0.72
• 0.75

How is 0.25 written as a fraction?

Correct
• 1/2
• 1/3
• 1/4
• 2/3

A CD case holds 15 CDs. How many cases are needed to store 100 CDs?

Correct
• 5
• 6
• 7
• 8

Sam buys 4 boxes of chocolates. Each box holds 30 chocolates. How many chocolates are there in total?

Correct
• 30
• 60
• 90
• 120

To get 250, what must 50 be multiplied by?

Correct
• 5
• 10
• 15
• 20

What is the remainder of 75 / 4

Correct
• 0
• 1
• 2
• 3

How many hundreds in the number 6,814?

Correct
• 1
• 4
• 6
• 8

What is 277 rounded to 1 significant figure?

Correct
• 20
• 200
• 300
• 30

What is 448 rounded to the nearest 100?

Correct
• 400
• 300
• 500
• 200

How many units are there in the number 9?

Correct
• 1
• 5
• 7
• 9

Divide 240 litres in the ratio 3 : 5.

Correct
• 50 : 150
• 80 : 140
• 90 : 150
• 90 : 170