# Study sets matching "percentages maths"

Study sets

Diagrams

Classes

Users

Percentage Increases

Percentage Decreases

Percentage Change

Successive percentage changes

(Percentage increase (as decimal ) + 1.0) x Original price

(100 - Percentage decrease as decimal) x Original price

New Price / Old Price = Multiplier... If it's an increase: Multi…

Example... A £100 airfare will increase by 15% next week and 10%…

Percentage Increases

(Percentage increase (as decimal ) + 1.0) x Original price

Percentage Decreases

(100 - Percentage decrease as decimal) x Original price

Percentage Increases

Percentage Decreases

Percentage Change

Successive percentage changes

(Percentage increase (as decimal ) + 1.0) x Original price

(100 - Percentage decrease as decimal) x Original price

New Price / Old Price = Multiplier... If it's an increase: Multi…

Example... A £100 airfare will increase by 15% next week and 10%…

Percentage Increases

(Percentage increase (as decimal ) + 1.0) x Original price

Percentage Decreases

(100 - Percentage decrease as decimal) x Original price

Common factor

Compound interest

Decimal

Denominator

A whole number that divides into two (or more) other numbers e…

This arises when interest on an investment is calculated and a…

A proportion that uses powers of 10 as place value. In the exa…

The bottom part of a fraction. For ⅝, the denominator is 8, wh…

Common factor

A whole number that divides into two (or more) other numbers e…

Compound interest

This arises when interest on an investment is calculated and a…

Decimal Point

Decimal Places

Rounding off

Powers of ten

a period (dot) separating the ones and the tenths in a decimal…

places to the right of a decimal point

Removing decimals to simplify a number

Ten raised to different powers

Decimal Point

a period (dot) separating the ones and the tenths in a decimal…

Decimal Places

places to the right of a decimal point

Price with VAT

Price without/before VAT

Price with mark up

Price before mark up

Original price x 114/100

Price with VAT x 100/114

Original price x 100+% mark up/100

Price with mark up x 100/100 + % mark up

Price with VAT

Original price x 114/100

Price without/before VAT

Price with VAT x 100/114

How do you convert a fraction to a perc…

How do you convert a percentage to a fr…

How do you convert decimals to percenta…

How do you convert percentages to decim…

You multiply the fraction by 100 over 1, but make sure you sim…

You put the percentage over 100 and then simplify it.... (eg. 54%…

You times the decimal by 100 or move the decimal point 2 place…

You divide the percentage by 100 or move the decimal point 2 p…

How do you convert a fraction to a perc…

You multiply the fraction by 100 over 1, but make sure you sim…

How do you convert a percentage to a fr…

You put the percentage over 100 and then simplify it.... (eg. 54%…

Decimal to fraction

Fraction to decimal

Percentage to fraction

Fraction to percentage

Put decimal as a whole number over 100/1000 & cancel

Divide numerator by denominator

Put percentage over 100 and cancel down

X 100

Decimal to fraction

Put decimal as a whole number over 100/1000 & cancel

Fraction to decimal

Divide numerator by denominator

fraction

decimal

percentage

how to add and subtract decimals.

Is a part of a whole... eg: 1/4, 1/2.

is also a part of a whole but it is written differently. eg; 0…

also a part of a whole but also written differently. eg; 50%,3…

Write down the numbers vertically just like you would normally…

fraction

Is a part of a whole... eg: 1/4, 1/2.

decimal

is also a part of a whole but it is written differently. eg; 0…

How to find out percentage increase: In…

How to find out percentage decrease: De…

Compound interest: Invest £300 against…

Profit percentage: Bought dress for £35…

100 + 6 = 106, 106 / 100 = 1.06, 1.06 x 80 = £84.80

100 - 6 = 94, 94 / 100 = 0.94, 0.94 x 80 = £75.20

300 (1+3/100)4 = 300 x 16034

55 - 35 = £20, 20/35 = 20/35 x 100 = 57%

How to find out percentage increase: In…

100 + 6 = 106, 106 / 100 = 1.06, 1.06 x 80 = £84.80

How to find out percentage decrease: De…

100 - 6 = 94, 94 / 100 = 0.94, 0.94 x 80 = £75.20

ADDING AND SUBTRACTING FRACTIONS

MULTIPLYING FRACTIONS

DIVIDING FRACTIONS

MULTIPLYING AND DIVIDING DECIMALS

Only add or subract the numerator, as the denominator stays th…

Multiply the numerator and the denominator of each fraction by…

Use reciprocal (flip the numerator and the denominator) then t…

This is the same as multiplying and dividing normal/whole numb…

ADDING AND SUBTRACTING FRACTIONS

Only add or subract the numerator, as the denominator stays th…

MULTIPLYING FRACTIONS

Multiply the numerator and the denominator of each fraction by…