Fractions & decimals class vii

As per NCERT

1. Fractions & Decimals Class VII By SELVA POORANI.J Vatsalya International School Borsad , Anand, Gujarat [email protected]

2. Fraction is the part of a whole.

3. 1 2 3 4 5 6 7 8 9 Representing fraction:-

4. TYPESOF FRACTION 12/7 7/2

5. LIKE & UNLIKE FRACTIONS

6. UNIT FRACTIONS:-

7. EQUIVALENT FRACTIONS:-

8. ADDITION & SUBTRACTION OF LIKE FRACTIONS Addition Subtraction

9. ADDITION & SUBTRACTION OF UNLIKEFRACTIONS Addition Subtraction

10. ADDITION & SUBTRACTION OF MIXED FRACTIONS Subtraction

11. MULTIPLICATION & DIVISION OF FRACTIONS MULTIPLICATION DIVISION

12. MULTIPLICATION & DIVISION OF FRACTIONS MULTIPLICATION DIVISION

13. Decimals or Decimal Numbers A  decimal number  can be  defined  as a  number  whose whole  number  part and the fractional part is separated by a  decimal point . The dot in a  decimal number  is called a  decimal point . The digits following the  decimal point  show a  value  smaller than one. Examples:

14. 3 4 8 9 . 5 2 7 Integer /whole number Decimal part

15. Comparing Decimals When  comparing decimals , Start with the integer part. The number with greater integer is greater. If the integers are same, check the tenths place. The number with greater decimal in Tenths place is greater. And move on…………. Ex.    

16. Operations of Decimals Addition Add: a) 22.3 + 34.1 =? b) 1.234 + 4.1 =? Subtraction Subtract: a) 76.3 – 34.1 = ? b) 4.321 – 4.1 = ?

17. Operations of Decimals Multiplication: 5.67 × 1.2 = ? Multiplication: 39.8 × 12 = ?

18. Operations of Decimals Division: 68.5 ÷ 5 = ?

19. Conversion of metric units

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