The document outlines a series of mathematical activities and computations, including drawing shapes, calculating perimeters, and determining the nature of products. It provides specific tasks for both geometric measurements and arithmetic operations, along with their calculated answers. The activities involve practical skills in mathematics with an emphasis on precision and rationality of numbers.

3. Activity 1
Draw the following
1. A line of length 5 centimetres?
2. A square of area 7 square centimeters?
3. A line of length 11 centimeters?

4. Activity 2
Compute the following
1. Find the perimeter of a square of area 10 square meters?
2. The hypotenuse of right angled triangle is 3.5 meters long and another of its
sides is 2.5 meters long . Calculate its perimeter correct to centimeters?

5. 3. Compute the perimeter of the quadrilateral with measurment as given
below , correct to centimeters
1 m
1
m

6. Activity 3
Find the product of the following and check whether the answer is
rational or irrational.
1. 5 × 8
2. 0.5 × 8
3. 3 × 12
4. 3 × 1.2
5. 0.3 × 1.2
6. √7
1
2
× √3
1
3

7. Activity 4
Find the larger one from each pair below , doing the computation in head
1. 2 3 , 3√2
2. 3 5 , 2 11
3. 0.5 2 , 0.2 5
4.
1
2
2 ,
1
3
3

8. Activity 5
With out using calculating devices , compute the following correct to two
decimal places
1. 18 + 50
2. 2 + 32 + 512
3. 48 − 27
4. 98 + √50

9. Activity 6
Compute the following
1. Compute the length of the diagonal of a square of side 10 meters ,
correct to centimeters?

10. 2. What is the total length of the line shown below
. . .3cm 32cm

11. Activity 7
Compute the following correct to three decimals
1. Using 3 ≈ 1.732,find
3
4
2. Using 10 ≈ 3.162 , compute
1
√10
.

12. 3. Using 6 ≈ 2.449, calculate√
2
3
+√
3
2
4. 12 −
1
3

13. ANSWERS
Activity 2
1. 12.648m
2. 846cm
3. 423cm
Activity 3
1. 40, Irrational
2. 2, Rational
3. 6, Rational
4. 3.6, Irrational
5. 0.6, Rational
6. 5, Rational

14. Activity 4
1. 3 2
2. 2 11
3. 0.2 5
4.
1
2
2
Activity 5
1. 11.28
2. 19.61
3. 1.73
4. 17.28
Activity 6
1. 1400cm
2. 7.05cm
Activity 7
1. 0.866
2. 0.316
3. 5.202
4. 2.89

15. SUBMITTED BY
MUHSINA T K
ROLL NO 27
B Ed MATHEMATICS