Author: admin
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Converting a Fraction to a Terminating Decimal – Basic
Definition A terminating decimal is a decimal that ends. In other words, a terminating decimal doesn’t keep going. It has a finite number of digits after the decimal point. 25=0.4;24=0.75;2516=1.562525=0.4;24=0.75;2516=1.5625 In the examples shown above, we have few fractions expressed as decimals. Notice that these decimals have a finite number of digits after the decimal point. So,…
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Converting a Mixed Number With a Denominator of 2, 4, or 5 to a Decimal
Definition A mixed number is a whole number and a proper fraction combined. So, a mixed number consists of two parts, the whole number part and the fractional part. For example, in mixed number 225225 , the whole number part is 2 and the fractional part is 2525. In this lesson, we convert given mixed number with a denominator…
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Converting a Proper Fraction With a Denominator of 2, 4, or 5 to a Decimal
Definition Proper fractions, are fractions where the numerator is smaller than the denominator. For example: 23,49,1113…23,49,1113… are some proper fractions. Some proper fractions have 2, 4 or 5 as their denominators. There are certain shortcut methods for converting proper fractions with 2, 4 or 5 as denominators into decimals. Rules for converting proper fractions with 2, 4…
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Converting a Fraction With a Denominator of 100 or 1000 to a Decimal
Introduction We should recall decimal place value charts here. We know that, to the right of a decimal point, the places values are the tenths, hundredths, thousandths and so on. In this lesson, we are considering fractions with denominators of 100 or 1000. Rules to convert a fraction with a denominator of 100 to a…
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Converting a Fraction With a Denominator of 10 or 100 to a Decimal
Introduction We should recall decimal place value charts. We know that, to the right of a decimal, the places values are the tenths, hundredths, thousandths and so on. The rule says that the decimal point in the numerator shifts to the left as many places as the number of zeros after 1 in the denominator.…
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Writing a Decimal and a Fraction for a Shaded Region
Introduction Here a figure is given in the form of a circle or a rectangular strip or some other shape. It is then divided into certain number of equal parts. Some of these equal parts are shaded with colors. Considering the figure as a one unit, it is required to find the fraction that represents…
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Converting a Fraction to a Percentage in a Real-World Situation
Introduction In this lesson, we solve real world problems involving conversion of fractions into percentages.Example 1 In a survey one in five people said they preferred a certain brand of fast food. Write this figure as a percentage. Solution Step 1: The fraction of people preferring a certain brand of fast food = 1515 Step 2:…
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Converting a Fraction to a Percentage Denominator of 20, 25, or 50
Introduction Consider any fraction with a denominator of 20, 25 or 50. Such fractions can be converted to fractions with a denominator of 100. Then it would be easy to write those fractions as percentages as shown below in examples. Rules to convert a fraction into a percentage with 20, 25 or 50 as denominator…
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Finding Benchmark Fractions and Percentages for a Figure
Introduction Sr.No Fraction Benchmark Percentage 1 110110 10% 2 1515 20% 3 1414 25% 4 1212 50% 5 3434 75% 6 1 100% Example 1 What percent of the grid is shaded? Choose the closest benchmark percent and fraction. Solution Step 1: We are given a 10 × 10 grid with 100 squares. The number…
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Converting a Fraction to a Percentage Denominator of 4, 5, or 10
Introduction Consider any fraction with a denominator of 4, 5 or 10. Such fractions can be converted to fractions with a denominator of 100. Then it would be easy to write those fractions as percentages as shown below in examples Rules to convert a fraction into a percentage with 4, 5 or 10 as denominator…