7th Maths : Term 3 Unit 2 : Percentage and Simple Interest : Summary

**Summary**

● Percentage is a fraction with denominator
hundred

● To convert a fraction as percentage,
multiply the numerator and denominator of the fraction by 100.

● To convert a percentage as fraction,
write it is as fraction with denominator 100.

● To convert decimals into percentage,
multiply the given decimals by 100%

● Principal is the money borrowed or
lent.

● Interest is the additional money given
by the borrower to use the principal for a certain period of time

● Rate of interest is the percentage
of the principal paid every year.

● Time is the period for which the money
is borrowed or lent.

● Amount is the total money returned
by the borrower to the lender after a certain period of time. It is
found by using Amount = Principal + Interest.

● Simple interest can be calculated by
using [P × *n* × *r*]/100 , where P – Principal, *r* – Rate of Interest, *n*
– Time.

** **

__ICT Corner__

**Percentage and Simple interest**

**Expected outcome**

**Step – 1**

Open the Browser and type the URL Link
given below (or) Scan the QR Code. GeoGebra work sheet named “Fraction to Percent”
will open. Enter the numerator and denominator upto 10 and check the fraction and
percentage.

**Step - 2**

Click on “Simple interest problem” in
the left side and enter P, N and R values in the box given. Find the Simple Interest
and Amount and check your answer.

**Browse in the link**

Fraction
to percent: https://www.geogebra.org/m/ f4w7csup#material/frbmnsrw or Scan the QR
Code.

Tags : Percentage and Simple Interest | Term 3 Chapter 2 | 7th Maths , 7th Maths : Term 3 Unit 2 : Percentage and Simple Interest

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7th Maths : Term 3 Unit 2 : Percentage and Simple Interest : Summary | Percentage and Simple Interest | Term 3 Chapter 2 | 7th Maths

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