NCERT Solutions for Class 5 Maths (Math Magic) Chapter 9 Boxes and Sketches

NCERT
SOLUTIONS
CLASS - 5th

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Class : 5th
Subject : Maths
Chapter : 9
Chapter Name : Boxes And Sketches

Q1 Will both these shapes fold into a cube?

Page : 127 , Block Name : Shapes That Fold Into A Cube

Q2 Draw at least one more shape which can fold into a cube.

Page : 127 , Block Name : Shapes That Fold Into A Cube

Q3 What will be the area of each face of the cube?

Page : 127 , Block Name : Shapes That Fold Into A Cube

Q4 Draw one shape which will not fold into a cube.

Page : 127 , Block Name : Shapes That Fold Into A Cube

Q5 Look around and discuss which things around you look like a cube.

Answer. Dice, chalk box etc.

Page : 127 , Block Name : Shapes That Fold Into A Cube

Q1 All boxes are not cubes. Here are some different kinds of boxes. Match the shape below with a
box into which it will fold.

Answer. (a)-(ii), (b)-(iv), (c)-(i),(d)-(iii)

Page : 128 , Block Name : Boxes And Boxes

Q2 Which is the front side of her house? How many windows are there on the front side?

Answer. The side which contains the door is the front side. There are two windows on the front
side.

Page : 129 , Block Name : Boxes And Boxes

Q3 Which one is Vibha’s house?

Answer. Deep drawing (c) is Vilbha’s house.

Page : 129 , Block Name : Boxes And Boxes

Q4 Why do the other three deep drawings not match the oor map? Discuss.

Answer. Drawing (a) shows a straight back wall. So it does not match the oor map.
Drawing (b) shows a window on the right side. So it does not match the oor map.
Drawing (d) shows windows on centre of left wall. So it does not match the oor map.

Page : 129 , Block Name : Boxes And Boxes

Q1 Look at this oor map of a house. Make doors and windows on the deep drawing of this house.

Page : 130 , Block Name : Practice Time

Q2 Are there any windows you couldn’t show on the deep drawing? Circle them on the oor map.

Page : 130 , Block Name : Practice Time

Q3 Try to make a oor map of your own house.

Page : 130 , Block Name : Practice Time

Q1 Which of the drawings look correct to you? Discuss.

Answer. Drawings (d) and (e) are correct.

Page : 130 , Block Name : A Deep Drawing Of A Cube

Q2 Can you add some lines to make drawing f) into a deep drawing of the cube?

Answer. Yes, drawing (f) can be made into a deep drawing of cube by adding some lines.

Page : 130 , Block Name : A Deep Drawing Of A Cube

Q1 This cut-out is folded to make a cube. Which of these are the correct deep drawings of that
cube?

Answer. (a), (d) and (e) are the correct deep drawings.

Page : 131 , Block Name : Puzzle

Q1 If you look at the bridge from the top, how will it look? Choose the right drawing below:

Answer. Drawing (b) will look like a bridge from the top.

Page : 132 , Block Name : Matchbox Play

Q1 Make drawings to show how this bridge will look this.

From the top
From the front
From the side

Page : 133 , Block Name : Practice Time

Q2 Make a matchbox model which looks like this.

Also make a deep drawing of the model in your notebook.

Page : 133 , Block Name : Practice Time

Q3 How many cubes are needed to make this interesting model?
Here are some drawings of the model. Mark the correct top view drawing with 'T' and the correct
side view drawing with'S'.

Answer. 95 cubes are needed to make this model.

Page : 133 , Block Name : Practice Time