Read and download CBSE Class 6 Maths Activity 4 chapter in NCERT book for Class 6 Mathematics. You can download latest NCERT eBooks for 2022 chapter wise in PDF format free from Studiestoday.com. This Mathematics textbook for Class 6 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 6 Mathematics to understand the answers of the exercise questions given at the end of this chapter
Activity 4 Class 6 Mathematics NCERT
Class 6 Mathematics students should refer to the following NCERT Book chapter Activity 4 in standard 6. This NCERT Book for Grade 6 Mathematics will be very useful for exams and help you to score good marks
Activity 4 NCERT Class 6
To find the HCF of two given numbers, by paper cutting and pasting.
Learning Objective : To understand the concept of HCF of two umbers.
Pre-requisite : Comparison of two numbers, knowledge of Division algorithm : Dividend = Divisor x Quotient + Reminder
Materials Required : Coloured grid papers (2 different colours say green and red), a pair of scissors, glue, a ruler, and a pencil.
Step 1. Take any two numbers say 24 and 16.
Step 2. Cut out a strip of length 24 units using green colour grid paper as shown in Fig.4(a).
Step 3. Cut out another strip of length 16 units using red colour grid paper as shown in Fig. 4(b).
Step 4. Place the red strip along the green strip as shown in the Fig. 4(c) and cut out the remaining part of the green strip.
Step 5. Observe that the remaining part of green strip cut out is of length 8 units and is smaller than the red colour strip i.e. the strip of length 16 units.
Step 6. Now place the smaller cut out strip (green) along the larger cut out strip (red) and cut out the extra part (red strip) as shown in Fig. 4(d).
Step 7. Repeat the activity till both strips are equal.
(i) In Step 4, the length of the green strip = ............... units
(ii) In Step 6, the length of the red strip = ............... units
(iii)Is there any part of any strip left when green strip of length 8 units was placed on the red strip?.......... Yes/No
HCF of 24 and 16 = ............
Extension : (i) Find the HCF of (i) 40 and 16, (ii) 12, 15 and 6.
Please refer to the link below - CBSE Class 6 Maths Activity 4
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