Read and download CBSE Class 8 Maths Activity 12 in NCERT book for Class 8 Mathematics. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Mathematics textbook for Class 8 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 8 Mathematics to understand the answers of the exercise questions given at the end of this chapter
NCERT Book for Class 8 Mathematics Activity 12
Class 8 Mathematics students should refer to the following NCERT Book Activity 12 in Class 8. This NCERT Book for Class 8 Mathematics will be very useful for exams and help you to score good marks
Activity 12 NCERT Book Class 8
To make cuboids and cubes of given dimensions (4 x 3 x 2, 3 x 3 x 3) using unit cubes and to calculate the volume of each .
Learning Objective : To establish formulae for finding volumes of a cuboid and a cube.
Pre-requisite :Knowledge of volume.
Materials Required : Unit cubes.
Procedure : For cuboid (4 x 3 x 2)
Step 1. Take four unit cubes and join them to make a row. [Fig. 12(a)]
Step 2. Make three such rows as in Step 1 and join them as shown in. Fig. 12(b)
Step 3. Make one more solid of the type as given in Fig. 12(b) using unit cubes and place it over the solid formed in Fig. 12(b). [See Fig. 12(c)]. Find the volume of the cuboid in Fig. 12(c) by counting the number of unit cubes.
Step 4. Repeat the activity by
(i) Taking 3 cubes in a row.
(ii) Taking 3 rows of 3 cubes in each layer.
(iii) Taking 3 layers to get a cube of dimensions 3 x 3 x 3 [ Fig. 12(d)].
Find the volume of the cube by counting the number of unit cubes.
Observation :
(i) Number of unit cubes used in the solid (cuboid) in Fig 12(c) = ............ Its volume = ...............cubic units.
(ii) Dimensions of this cuboid are 4 x 3 x ...........................
(iii) (Length x breath x height) of the cuboid = ......................... of the cuboid.
(iv) Number of unit cubes used in the solid (cube) in Fig. 12(d) = .................., Its volume = ......................... cubic units.
(v) Dimensions of this cube are 3 x .......... x 3.
(vi) Length x breath x height = length x length x length of the cube in Fig. 12(d) = ................. of the cube.
Please refer to the link below - CBSE Class 8 Maths Activity 12
NCERT Class 8 Maths Rational Numbers |
NCERT Class 8 Maths Linear Equations in One Variable |
NCERT Class 8 Maths Understanding Quadrilaterals |
NCERT Class 8 Maths Practical Geometry |
NCERT Class 8 Maths Data Handling |
NCERT Class 8 Maths Squares and Square Roots |
NCERT Class 8 Maths Cubes and Cube Roots |
NCERT Class 8 Maths Comparing Quantities |
NCERT Class 8 Maths Algebraic Expressions and Identities |
NCERT Class 8 Maths Visualising Solid Shapes |
NCERT Class 8 Maths Mensuration |
NCERT Class 8 Maths Exponents and Powers |
NCERT Class 8 Maths Direct and Inverse Proportions |
NCERT Class 8 Maths Factorisation |
NCERT Class 8 Maths Introduction to Graphs |
NCERT Class 8 Maths Playing with Numbers |
NCERT Class 8 Maths Answers and Solutions |
NCERT Book Class 8 Mathematics Activity 12
The above NCERT Books for Class 8 Mathematics Activity 12 have been published by NCERT for latest academic session. The textbook by NCERT for Activity 12 Mathematics Class 8 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Activity 12 NCERT etextbooks as the exams for Class 8 Mathematics are always asked as per the syllabus defined in these ebooks. These Class 8 Activity 12 book for Mathematics also includes collection of question. Along with Mathematics Class 8 NCERT Book in Pdf for Activity 12 we have provided all NCERT Books in English Medium for Class 8 which will be really helpful for students who have opted for english language as a medium. Class 8 students will need their books in English so we have provided them here for all subjects in Class 8.
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