Percentages
Bayani Gaba-gaba
Percentages are the language money speaks. A discount in a sale, the interest on a loan, a test score, a pay rise, the VAT on a receipt: all of them are percentages, and being quick with them is one of the most useful everyday skills mathematics gives you. A percentage is simply a fraction out of 100, which is exactly what makes comparisons so easy.
In this lesson you will learn to find a percentage of an amount, write one quantity as a percentage of another, and handle percentage increases and decreases with confidence. You will then meet the two ideas examiners love to test: the difference between simple and compound interest, and reverse percentages, where you work backwards from the final amount to the original. Master these and a whole class of exam questions becomes routine.
Manufura
- Calculate a given percentage of a quantity.
- Express one quantity as a percentage of another.
- Calculate percentage increase or decrease.
- Calculate with simple and compound interest.
- Calculate using reverse percentages. (Extended only)
Darasin Sauti
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Taswirar tunani
An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.
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Katunan tunawa
Gwaji mai sauri kan abin da ake jarraba a wannan batu.
Yi atisayen wadannan katuna a cikin manhaja
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Percentages. Yanzu da kuka bincika mahimman ra'ayoyi da ra'ayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- What is 15% of 240? A. 16 B. 36 C. 255 D. 360 Answer: B
- A jacket costing $80 is reduced by 15% in a sale. What is the sale price? A. $12 B. $65 C. $68 D. $92 Answer: C
- A student scored 18 out of 40 in a test. What percentage is this? A. 18% B. 22% C. 40% D. 45% Answer: D
- $2000 is invested at 5% per year compound interest. What is the value after 2 years? A. $2100.00 B. $2200.00 C. $2205.00 D. $2210.00 Answer: C
- After a 20% reduction, a coat costs $96. What was the original price? A. $76.80 B. $115.20 C. $120.00 D. $480.00 Answer: C
Yi aikin wadannan tambayoyi a cikin manhaja
Yi aikin wadannan tambayoyi a cikin manhaja
Littattafan da ake ba da shawarar karantawa
Ƙarin koyo daga tushe na buɗe
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Sashen littafi
Solve Percent Applications
Translate and solve basic percent equations
"Elementary Algebra: Solve Percent Applications" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/elementary-algebra/pages/3-2-solve-percent-applications. Access for free at https://openstax.org/books/elementary-algebra/pages/1-introduction
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Sashen littafi
Exponential Functions
Evaluate exponential functions.
"Algebra and Trigonometry: Exponential Functions" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/algebra-and-trigonometry/pages/6-1-exponential-functions. Access for free at https://openstax.org/books/algebra-and-trigonometry/pages/1-introduction
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Yi Aikin Tambayoyin Gwaji
Kana son yin aikin tambayoyin gwaji kan Percentages? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.
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Duk abin da kake buƙata don yin fice a JAMB, WAEC & NECO.
