As per NCERT

1. Fractions & Decimals
Class VII
By SELVA POORANI.J
Vatsalya International School
Borsad, Anand, Gujarat
selvajsekar@gmail.com

2. Fraction is the part of a whole.

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

4. TYPESOF FRACTION
Proper
MixedImproper12/7
7/2

6. LIKE & UNLIKE FRACTIONS

7. UNIT FRACTIONS:-

8. EQUIVALENT FRACTIONS:-

9. ADDITION & SUBTRACTION OF LIKE FRACTIONS
• Addition • Subtraction

10. ADDITION & SUBTRACTION OF UNLIKEFRACTIONS
• Addition • Subtraction

11. ADDITION & SUBTRACTION OF MIXED FRACTIONS
• Subtraction

12. MULTIPLICATION & DIVISION OF FRACTIONS
• MULTIPLICATION • DIVISION

13. MULTIPLICATION & DIVISION OF FRACTIONS
• MULTIPLICATION
• DIVISION

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

15. 3 4 8 9 . 5 2 7
Integer /whole number Decimal part

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

18. 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 = ?

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

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

23. Conversion of metric units

24. THANK YOU
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