Whole numbers Flashcards Preview

G8 Maths > Whole numbers > Flashcards

Flashcards in Whole numbers Deck (22)
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1
Q

What is a natural number

A

whole number that are greater than or equal to1 e.g. 1234

2
Q

What are whole numbers

A

the counting numbers, positive number including 0 e.g. 01234

3
Q

What is expanded form -

A

a number written as the sum of its digits

4
Q

What is approximation -

A

a rough value that is not exact

5
Q

What is sum

A

the result of addition

6
Q

What is difference

A

the result of multiplication

7
Q

What is inverse operation

A

two mathematical operations that have an opposite effect ex. addition an subtraction

8
Q

What is identity element

A

the number that, when added or multiplied by another number, doesn’t change the answer

9
Q

What is long multiplication

A

a method of multiplying large numbers by writing them out in columns

10
Q

What is long division

A

a method of dividing numbers that are too big to divide using short division

11
Q

What is a factor

A

a number that divides exactly into a whole number with no remainder

12
Q

What is prime numbers

A

numbers that have only two factors: the number itself and 1

13
Q

What is composite numbers

A

numbers with more than two factors

14
Q

What does highest common factor (HCF) means?

A

the highest factor that is common to two or more numbers

15
Q

What is multiple

A

the product of two natural numbers

16
Q

What is lowest common multiple (LCM)

A

the lowest multiple that is common to two or more numbers

17
Q

What is ratio

A

a comparison of two or more quantities of the same type

18
Q

What is rate

A

comparison of two different types of measurements

19
Q

What is VAT

A

short for value-added tax, this is tax that is included in the price of goods in a shop

20
Q

What is hire purchase

A

a method of buying goods by making instalments (payments) over time

21
Q

What is profit

A

the difference between the selling price price and the cost price of an item

22
Q

What is exchange rate

A

how much it costs to exchange the currency of one country for the currency of another