Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

GCSE OCR MATHS > Section One > Flashcards

Section One Flashcards

Number

You may prefer our related Brainscape-certified flashcards:
GCSE Religious Studies - Edexcel Route A flashcards GCSE Religious Studies - Eduqas Route A flashcards GCSE Geography - AQA flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route B flashcards
1
Q

What is an integer

A

A whole number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are rational numbers

A

They are either integers, fractions or terminating or recurring decimals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is an irrational number

A

They are never ending, non repeating decimals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is BODMAS

A 
B-Brackets
O-Other things
D-Divison
M-Multiplication
A-Addition 
S-Subtraction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are Multiples

A

The Factors of a number are all the numbers that divide into it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a prime number

A

A prime number is a number which doesn’t divide by anything, apart from itself and 1 ( however 1 is not a prime number)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How to find prime factors

A

Using a factor tree

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is LCM and how to find it

A

It is the smallest number that will divide by all numbers in question.

First list all the prime factors that appear in both numbers. If a factor appears more than once in one of the numbers list it the same amount of times and multiply together to give the LCM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the HCF and how to find it

A

It is the Biggest number that will divide by all numbers in question.

First list all the prime factors that appear in both numbers. Multiply together to find the HCF.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Fractions- what is cancelling down

A

Simplifying a fraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Fractions- what are mixed numbers

A

Mixed numbers are numbers with an integer and a fraction part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Fractions- How to multiply fractions

A

Multiply top and bottom separately

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Fractions- How to divide fractions

A

Turn the 2nd fraction upside down and then multiply

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Fractions- How to get a common denominator

A

Find the lowest common multiple of the denominators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Fractions- How to add or subtract fractions

A

First make sure the denominators are the same then add/subtract the numerator only. Convert to improper fractions first

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How to get a fraction to a decimal to a percentage

A

From a fraction divide to get a decimal and times by 100 to get a percentage

17
Q

How to get a percentage to a decimal to a fraction

A

From a percentage divide by 100 to get a decimal then either use the X method for recurring decimals or for terminating decimals its easy

GCSE OCR MATHS (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions