![]() ![]() For example, × 5 = 100 85 = 17 20 85 and 85% 100 × 5 If the denominator of the fraction is a factor of 100 we can make an equivalent fraction over a hundred. To write a fraction as a percentage, we can find an equivalent fraction with a denominator of 100. What is 37% as a decimal? Divide by 100 Move Decimal to the left 2 times Top Tip 37.37 = For example, 46 100 46% = 46 ÷ 100 = 0.46 7 100 7% = 7 ÷ 100 = 0.07 Explain that to convert a percentage to a decimal we simply divide the percentage by 100. We can write percentages as decimals by dividing by 100. If the percentage is not a whole number, as in the last example, we must find an equivalent fraction with a whole number numerator and denominator. However, if there is a common factor between the numerator and the denominator, we must cancel the fraction down to its lowest terms. For example, 23 46 100 46 100 = 23 50 46% = Cancelling: 50 9 180 100 180 100 = 9 5 = 1 4 5 180% = Cancelling: Explain that we can easily write a whole number percentage as a fraction over 100. To write a percentage as a fraction we write it over a hundred. For example, ‘I’m 100% sure’ or ‘100% extra free’. Discuss the meaning of 100% in different contexts. 100%ġ00 parts per hundred means 100 1 or = Explain that 100% means 1 whole one or ‘all of it’. We can work out 25% of something by dividing it by 4.Ĥ Percentages A percentage is just a special type of fraction. 25%Ģ5 parts per hundred means 100 25 4 1 0.25 or = Explain the meaning of 25% with reference to fractions and decimals. We can work out 1% of something by dividing it by 100.ģ Percentages A percentage is just a special type of fraction. 1%ġ part per hundred means 100 1 0.01 or = Explain the meaning of 1% with reference to fractions and decimals. Could – be able to convert a percentage into a fraction and cancel it down.Ģ Percentages A percentage is just a special type of fraction. Should – be able to convert a fraction into a percentage. To be able to convert fraction to: Decimals and percentages Must – be able to convert a percentage to and from a decimal. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |