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Study these flashcards

- Switzerland
- Ecole Hôtelière De Lausanne
- Fractions, Decimals, Percents

Luyanda A.

• 61

cards
Analyse the end of the preceding number: 0.8347

If x is the decimal 8.1*d*5, with *d* as an unknown digit, and *x* rounded to the nearest tenth is equal to 8.1, which digits could not be the value of *d*?

In order for *x* to be 8.1 when rounded to the nearest tenth, the right-digit neighbour *d*, must be less than 5. Therefore, *d* cannot be 5, 6, 7, 8 or 9

How do you add/subtract decimals?

How do you multiply decimals?

0.0003 x 40,000

How do you divide decimals, if there is a decimal point in the dividend?

12.42 / 3

How to divide a decimal, if there is a decimal point in the divisor?

12.42 / 0.3 =

(0.5)^{4}

How to rewrite decimals using powers of 10?

If the numerator goes up (denominator constant), the fraction _____?

As the denominator goes up (numerator constant), the fraction _____?

Adding the same number to both the numerator and the denominator does what?

Convert the following to decimals:

525% =

52.5% =

5.25% =

0.525% =

Percent =

Of =

Is =

What =

What is 70 percent of 120?

Equation for a change in percent

Percent table

75% of what number is 21?

90 is what percent of 40?

How to find 10% of any number

The price of a cup of coffee increased from 80c to 84c. By what percent did the price change?

If the price of a $30 shirt decreased by 20%, what was the final price of the shirt?

What number is 150% greater than 60?

What is a great way to solve successive percent problems?

Compound interest formula

What are the three ways that ratios can be expressed?

The ratio of men to women in the office is 3:4. This is a ____-_____ relationship.

There are 3 men for every 7 employees. This is a ____-_____ relationship

In order to avoid accidentally reversing the order of a ratio, you should:

When should you use the unknown multiplier?

What is the best FDP for doing multiplication or division?

What is Step 1 of the DS Process?

What is Step 2 of the DS process?

What is Step 3 of the DS process?

What is Step 4 of the DS process?

How to work through the grid?

What are the two types of information presented in FDPR word problems?

Why is the difference between concrete and relative value important?

Smart Numbers: Multiples of the Denominators

Smart Numbers: Pick 100

How to estimate with fractions using Benchmark Values?

If the denominator is 9, 99, 999 or another number equal to a power of 1 minus 1, then?

The four principles to help solve "brainteasers"

How can you tell if two numbers are reciprocals?

How can you estimate the decimal equivalent of a fraction?

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