#### Study sets matching "percentages maths"

#### Study sets matching "percentages maths"

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: Mult…

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

how to convert a percentage to decimal

how to convert decimals to percentages

how to convert fractions to decimals

how to convert fractions to percentages

multiply the percentage by 0.01

multiply by 100

divide the numerator by denominator

divide the numerator by the denominator and multiply by 100

how to convert a percentage to decimal

multiply the percentage by 0.01

how to convert decimals to percentages

multiply by 100

How do you change a fraction to a perc…

How do you change a decimal to a perce…

How do you change a percentage to a fr…

How do you change a percentage to a de…

You times it by 100

You times it by 100

You divid it by 100

You divid it by 100

How do you change a fraction to a perc…

You times it by 100

How do you change a decimal to a perce…

You times it by 100

Common factor

Compound interest

Decimal

Denominator

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

This arises when interest on an investment is calculated and…

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

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

Common factor

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

Compound interest

This arises when interest on an investment is calculated and…

part/whole = n/100

part= whole x percent

original number to changed number, div…

store price(1 + markup)=selling price

how do you do proportions

how do you do equations

how do you find percent change (ex. 10 to 15= 5/10= .5=50%)

how do you find selling price

part/whole = n/100

how do you do proportions

part= whole x percent

how do you do equations

If Sammy wanted to buy a new shirt for…

Lyla was out to eat with her friends a…

Sydney is out shopping she finds a rea…

Louane was shopping in Paris and found…

14.00

10.38

Yes she will because the grand total is 11.17 and she has 16.…

20.04

If Sammy wanted to buy a new shirt for…

14.00

Lyla was out to eat with her friends a…

10.38

Mrs. Romeo bought a book from Chris' n…

Talbot is selling the new "do all" too…

Arjun walks in smiling because he just…

Shane sells antique shoelaces. He is o…

Find out the answer!!!

Find out the answer!!!

Find out the answer!!!

Find out the answer!!!

Mrs. Romeo bought a book from Chris' n…

Find out the answer!!!

Talbot is selling the new "do all" too…

Find out the answer!!!

How do you find a percentage of a numb…

What is 8% of 40?

What is 160% of 18?

How do you increase a number by a perc…

Divide percentage by 100. Multiply number by the divided perc…

8% / 100 = 0.08... 40 x 0.08 = 3.2

160% / 100 = 1.6... 18 x 1.6 = 28.8

Find new percentage by adding percentage increase to 100%. Di…

How do you find a percentage of a numb…

Divide percentage by 100. Multiply number by the divided perc…

What is 8% of 40?

8% / 100 = 0.08... 40 x 0.08 = 3.2

How do you increase a number by R%?

How do you decrease a number by R%?

If £5000 is in a savings account at an…

How do you express y as a percentage o…

1+(R÷100)

1-(R÷100)

£5000×(1.15)⁵ = £10,100

(y÷z)x100

How do you increase a number by R%?

1+(R÷100)

How do you decrease a number by R%?

1-(R÷100)

A rate, number, or amount in each hund…

Sometimes, rather than rounding off to…

A fraction represents a part of a whol…

Answers;... 20, 42, 15, 100, 35

What is a percentage?

What is a decimal place?

What is a fraction?

Work out 50% of:... 40, 84, 30, 200, 70

A rate, number, or amount in each hund…

What is a percentage?

Sometimes, rather than rounding off to…

What is a decimal place?

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

What is a Percent?

How do you change a decimal into a per…

How do you change a percent into a dec…

Percent Proportion (setup):

-A ratio comparing a number to 100... -A number divided by 100

Multiply by 100

Divide by 100

part/whole = %/100 = TOTAL

What is a Percent?

-A ratio comparing a number to 100... -A number divided by 100

How do you change a decimal into a per…

Multiply by 100

Percentage to Fractions

Fractional Percentage to Fractions

Fraction to Percentage

Percentage to Decimal

Put percentage value over 100, and simplify the fraction. Eg…

Convert to an improper fraction, and multiply fraction denomi…

Multiply the fraction by 100/1, then simplify.

Write decimal as a fraction over 100, and then convert to a d…

Percentage to Fractions

Put percentage value over 100, and simplify the fraction. Eg…

Fractional Percentage to Fractions

Convert to an improper fraction, and multiply fraction denomi…

Working with Percents (is of) HOW

What is 22% of 350 EXAMPLE

% Increase and Decrease

How to set up Increase and Decrease

%/100 equals is/of

22/100 equals x/350

1 )Figure out if it's In. or De. 2) Find amount of change by…

x/100 equals subtracted amount/original amount

Working with Percents (is of) HOW

%/100 equals is/of

What is 22% of 350 EXAMPLE

22/100 equals x/350

PERCENTAGE

converting fractions and decimal to pe…

converting percentage into fractions a…

one quantity as a percentage of another

per hundred/in every 100

FRACTION x 100%... e.g.... 2/5 x 100%

25% = 25/100 -> 1/4 (simplified)... = 0.25

Anna -> 7/20 x 100% = 35%... Emma -> 9/24 x 100% = 37.5%... Emma sa…

PERCENTAGE

per hundred/in every 100

converting fractions and decimal to pe…

FRACTION x 100%... e.g.... 2/5 x 100%

Percentage

Decimal

Fraction

Conversion

A number out of 100

The number that goes in between two whole numbers

A number out of a great per number

To transform something into a different type of that same thing

Percentage

A number out of 100

Decimal

The number that goes in between two whole numbers

How do you increase a number by R%?

How do you decrease a number by R%?

If £5000 is in a savings account at an…

How do you express y as a percentage o…

1+(R÷100)

1-(R÷100)

£5000×(1.15)⁵ = £10,100

(y÷z)x100

How do you increase a number by R%?

1+(R÷100)

How do you decrease a number by R%?

1-(R÷100)

How do you convert a fraction to a per…

How do you convert a percentage to a f…

How do you convert decimals to percent…

How do you convert percentages to deci…

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

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

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

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

How do you convert a fraction to a per…

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

How do you convert a percentage to a f…

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

Associative property

Communitive property

Fraction

Numerator

Changing the grouping of numbers will NOT change the value.…

No matter what order the digits are multiplied or added, in t…

part of a whole

the top number in a fraction

Associative property

Changing the grouping of numbers will NOT change the value.…

Communitive property

No matter what order the digits are multiplied or added, in t…

Changing Percentages to a Fraction:

To Write a number as a percentage you:

Percentages of Quantities

300g of 1000g?

Put it over 100 eg. 30% = 30/100= 3/10

Multiply by 100/1 or 11

To make two quantities into a percentage we make a fraction o…

300/1000 X 100/1 = 30%

Changing Percentages to a Fraction:

Put it over 100 eg. 30% = 30/100= 3/10

To Write a number as a percentage you:

Multiply by 100/1 or 11

Percent proportion

Percent of change

Percent of decrease

Percent increase

One ratio that compares part of a quantity to the whole quant…

The amount stated as a percent that a number increases or dec…

A percent change describing a decrease in quantity

A percent change describing an increase in quantity

Percent proportion

One ratio that compares part of a quantity to the whole quant…

Percent of change

The amount stated as a percent that a number increases or dec…

Find a percentage of an amount

Increasing a number by a percentage

Decreasing a number by a percentage

Find a percentage of a fraction

You have to X the <amount> by the <% as a decimal>

You have to X the <number> by the <% +100 then / that by 100>

You have to X the <number> by the <% - 100 the / that by 100>

You have to / the <numerator> by the <denominator> then X 100

Find a percentage of an amount

You have to X the <amount> by the <% as a decimal>

Increasing a number by a percentage

You have to X the <number> by the <% +100 then / that by 100>

Find the simple interest eg: earn $800…

Increase $5 by 15%

15% discount and has a marked price of…

A car is BOUGHT for $8000, sold for $8…

= 800 x 0.12 x 3... = answer

100-15=85... 85/100 x 5 ... = answer

100-15=85... 85 x 8 = 680... 680/100 =6.8=$6.80

8500-8000=500... 500/8000 x 100 = 6.25%

Find the simple interest eg: earn $800…

= 800 x 0.12 x 3... = answer

Increase $5 by 15%

100-15=85... 85/100 x 5 ... = answer

Percentage change (profit/loss)

Percentage 'out of'

Compound Interest

Percentages of

actual change/ original amount (x100 for percentages)

two scores over each other x 100

amount x (multiplier) where n is the number of years

Divide number by 100 then x by the percentage you want

Percentage change (profit/loss)

actual change/ original amount (x100 for percentages)

Percentage 'out of'

two scores over each other x 100