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Maths GCSE (fractions/decimals/percentages)
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Terms in this set (48)
>
Greater than
<
Less than
>

Greater than or equal to
<

Less than or equal to
=
Equal to
=/
Not equal to
Place value
Changes the place of the decimal place
What does HCF stand for
Highest common factor
What does LCF Stand for
Lowest common factor
What is a prime factor
A factor that's prime including 2,3,5,7,11,13...
Factor?
A number that divides into another number
Multiple
In the same times tables
Product
Number obtained at the end by multiplying
Index form
Using powers
Prime
Exactly two factors, 1 and itself
Bodmas?
Brackets, indices, division, multiplication, addition,subtraction
Powers
Number with indices
Numerator
The top no. in a fraction
Denominator
The bottom no. in a fraction
Reciprocal
The quantity by dividing 1 by a given number
Adding fractions
Same denominator
Subtracting fractions
Same denominator
Multiplying and dividing fractions
Multiply numerator and denominators
What do you do when calculating mixed numbers (multiplying and dividing)
Convert them to improper fractions
Calculating mixed numbers (add or subtract)
Deal with fractions separately
Product rule for counting
Total number of combinations possible for a given scenario
Index number
Tells you how many times the base number is multiplied
Index law
Multiply, add powers
Divide, subtract powers
Raising power to another, multiply powers
Roots
Square, cube etc
Standard form
Powers of 10
Calculating SF with multiples and division
Deal with powers desperately
Calculating SF with add or subtract
Use ordinary numbers
Surd?
A root which can't be simplified further
1/3
0.3
1/4
0.25
2/5
0.4
3/10
0.3
5/100
0.05
75/100
0.75
3/8
0.375
Terminating decimal to fraction
Digit after the decimal doesn't go on forever
Recurring decimal
A decimal in which they repeat forever
Multiplying a decimal
Ignore decimal and look as whole number than place back into equation
Dividing a decimal
Ignore decimal and look as whole number than place back into equation
Degree of accuracy
Number has been rounded to
Upper bound
The highest possible limit
Lower bound
The lowest possible limit
Estimation
Round it to each number to 1SF
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