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1. NCERT Solutions - Mathematics, Class 7

CHAPTERS

1. Integers

2. Fractions and Decimals

3. Data Handling

4. Simple Equations

5. Lines and Angles

6. The Triangle and its properties

7. Congruence of Triangles

8. Comparing Quantities

9. Rational Numbers

10. Perimeter and Area

11. Algebraic Expressions

12. Exponents and Powers

13. Symmetry

14. Visualising Solid Shapes

EXERCISES

1. Exercise 2.1

2. Exercise 2.2

3. Exercise 2.3

4. Exercise 2.4

5. Exercise 2.5

6. Exercise 2.6

7. Exercise 2.7

Q1) Solve:

\left(i\right)\ 2-\frac{3}{5}\ \left(ii\right)\ 4+\frac{7}{8}\ \left(iii\right)\ \frac{3}{5}+\frac{2}{7}\ \left(iv\right)\ \frac{9}{11}-\frac{4}{5}\ \left(v\right)\ \frac{7}{10}+\frac{2}{5}+\frac{3}{2}\ \left(vi\right)\ 2\frac{2}{3}+3\frac{1}{2}\ \left(vii\right)8\frac{1}{2}-3\frac{5}{8}

Q3) In a "magic square", the sum of the number in each row, in each column and along the diagonals is the same. Is this a magic square?

Q4) A rectangular sheet of paper is 12\frac{1}{2}cm long and 10\frac{2}{3}cm wide. Find its perimeter.

Q5) Find the perimeters of i) \Delta ABE ii) the rectangle BCDE in this figure. Whos perimeter is greater?

Q6) Salil wants to put a picture in a frame. The picture is 7\frac{3}{5}\ cm\ wide. To fit in the frame the picture cannot be more than 7\frac{3}{10}cm wide. How much should the picture be trimmed?

Q7) Ritu ate \frac{3}{5} part of an apple and the remaining apple was eaten by her brother Somu.

How much part of the apple did Somu eat? Who had the larger share? By how

much?

Q8) Michael finished colouring a picture in \frac{7}{12} hour. Vaibhav finished colouring the same

picture in \frac{3}{4}hour. Who worked longer? By what fraction was it longer?

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NCERT Solutions - Mathematics, Class 7

Integers

Fractions and Decimals

Data Handling

Simple Equations

Lines and Angles

The Triangle and its properties

Congruence of Triangles

Comparing Quantities

Rational Numbers

Perimeter and Area

Algebraic Expressions

Exponents and Powers

Symmetry

Visualising Solid Shapes

Exercise 2.1

Exercise 2.2

Exercise 2.3

Exercise 2.4

Exercise 2.5

Exercise 2.6

Exercise 2.7

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