Fichas
Percentages
Fichas del conjunto (7)
- 1Percentage Change Formulachange/original x 100%
- 2Important noteAlways make sure the topic of the question is percentage change
- 3Reverse Percentage SynopsisWhen a value is given after it has been increased or decreased and you have to find the original value
- 4How to work out the decimal multiplier if the value has been decreasedMinus the percentage decreased by 100 an then divide by 100
eg 100-15=85
100 divided by 85 is 0.85 - 5How to work out the decimal multiplier if the value has been increasedAdd the percentage increased to 100 an then divide by 100
eg 100+15=115
100 divided by 115=1.15 - 6Basic systemnew price divided by the decimal multiplier equals the original price which multiplied by original price gives the newprice
- 7A good thing to do after when you have the answerMake sure it sounds sensible and fits the question
Información
- Descripción
- GCSE Maths Fichas sobre Percentages, creado por Rayan Rashid el 10/09/2016.
- Creado por
- Rayan Rashid
- Visitas
- 3
- Valoración