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Information about Ratios And Proportion

Ratios illustrated: dividing in a ratio and calculating the value of one part (or the whole) given the value of another part. GCSE Maths and Level 2 Maths.

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3:2

3:2 3 parts water

3:2 2 parts orange juice 3 parts water

3:2 2 parts orange juice 3 parts water 3 + 2 = 5 equal parts…

Find value of one share if you know the value of the whole amount…

£350 £??

£350 £?? How did you work it out?

£350 £70 350 ÷ 5 = 70

£350 £70 £70 £70

£350 £70 £70 £70 3 70 = 210

£350 £210

£350 £210 £??

Find value of one share if you know the value of the other share…

£20

£20 ??

£20 £30

£20 £30 How did you work it out?

Try these problems, some in pictures and some in words…

Jim’s Jemima’s Write down the ratio using the colon notation…

£800 Jim’s Jemima’s Find the value of Jim and Jemima’s shares…

£?? £280 Find the value of the whole amount and the missing share… £??

Write down the ratio using the smallest whole numbers you can…

How much cous-cous and water do you need for two servings?

Write the ratio of (dry) cous-cous to water in its lowest terms

Algernon wants to make 800g of cooked cous-cous. How much dry cous-cous does he need? And how much water in ml?

Let's try to learn a thing or two about ratios. So ratios are just expressions that compare quantities. So that might just be a fancy way-- let me just ...

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Example: So 1-out-of-3 is equal to 2-out-of-6 . The ratios are the same, so they are in proportion.

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The proportion expressing the equality of the ratios A ... The equality of three or more proportions is called a continued proportion. Ratios ...

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A proportion is a name we give to a statement that two ratios are equal. It can be written in two ways: two equal fractions,

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Proportions are built from ratios. A "ratio" is just a comparison between two different things. For instance, someone can look at a group of people ...

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How are fractions and ratios the same? How are they different? Is 2:5 the same as 2/5?

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Ratio formulas and simplyfying ratios and fractions for addition, subtraction, multiplication and division. ... This ratio calculator will accept decimals.

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They found ratios close to the golden ratio in the overall proportion of the plan and ... the golden ratio is the proportion between the central section ...

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Ratios A ratio compares values. A ratio says how much of one thing there is compared to another thing. There are 3 blue squares to 1 yellow square

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Ratio worksheets have a variety of skills on finding part-to-part, part-to-whole, reducing to lowest terms, dividing quantities, equivalent ratio and more.

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