Page 176 - Math Skill - 5

174 Maths

4. Area of the given shape is if each square if of side 1 unit.

(a) 9 unit
2
(b) 12 unit
2
(c) 10 unit
2
5. If area of a rectangle is 72 cm and its breadth is 6 cm, then length is
2
(a) 6 cm (b) 12 cm (c) 12 cm
2
B. Fill in the Blanks

1. Three cubes of 1 cm are joined end to end, volume of the solid so formed is ___________ .
2. 1 cm means a cube whose length, breadth and height are _______________ each.
3
3. A cubical box has a volume of 125 cubic meters, its dimensions could be ______________ .

SKILL BASED QUESTIONS
C. Case Study
Renu and Dhruv go daily on morning walk in the
city park. The city park which has the length 15 cm
and breadth 10 cm. Due to the routine cleaning, the
entry of the park is not available for two days so they
decided to go to another park which is a square park
having the side 5 cm.
Answer the following questions on the basis of the
above data.
1. What is the perimeter of rectangular park?
2. What is the perimeter of square park?
3. Whose area is bigger out of these two parks?

4. How many square parks exist in the rectangular park?

D. Assertion-Reason Based Questions
Directions for Questions 1 to 4: In each of the questions given below, there are two statements
marked as Assertion (A) and Reason (R). Mark your answer as per the codes provided below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.

(d) A is false but R is true.
Q. 1. Assertion (A) : Area of rectangular sheet of dimensions 15 cm × 10 cm is 150 cm .
2
Reason (R) : Area of rectangle is 2 × (length + breadth).
Q. 2. Assertion (A) : The ratio of side and perimeter of a square is 1:4.
Reason (R) : Perimeter of a square is 4 times its side.