NCERT Solutions for Class 5 Maths Chapter 12 Smart Charts

NCERT Solutions for Class 5 Maths Chapter 12: The Smart Charts from NCERT Solutions for Class 5 Maths Chapter 12 are a great resource for students getting ready for their final exams. The PW subject-matter experts develop the NCERT Solutions under the Class 5 CBSE syllabus.

NCERT Solutions for Class 5 Maths

NCERT Solutions for Class 5 Maths Chapter 12 Overview

NCERT Solutions for Class 5 Maths Chapter 12 PDF

NCERT Solutions for Class 5 Maths Chapter 12 PDF

NCERT Solutions for Class 5 Maths Chapter 12

1. Look at the tally marks and write the number for each animal in the table. How many children did Yamini talk to?

Solution:

2. Which is the most favorite pet animal on this table?

Solution:

3. Which pet will you like to have? What will you name it? Which other animals can be kept at home? Discuss.

Solution:

Making Tally Marks on the Road:

Sumita stood on the road for half an hour and counted the number of vehicles passing by. She made a tally mark for each vehicle. This helped her in counting the total number of vehicles quickly in each group.

1. Write the number of each vehicle in the table.

Solution:

2. How many vehicles in all did Sumita see on the road in half an hour?

Solution:

3. Auto rickshaws are thrice the number of trucks – true/false?

Solution:

4. Make tally marks for 7 more buses and 2 more trucks.

Solution:

Tally marks for 7 more buses:

1) Look and find out:

Children who help in making or serving food are

a) One-third of the total children

b) Half of the total children

c) One-fourth of the total children

Solution:

2) Practice time:

After school, ask 10 of your friends about what they like to do most after school.

Solution:

Hot and Cold:

Have you seen the weather report on TV or in a newspaper? These are two bar charts. These show the highest temperature (in degrees Celsius) in four cities on two different days. The cities are Delhi, Shimla, Bangalore and Jaisalmer.

Find out the following from the bar chart:

1. Which city is hottest on 1 June?

Solution:

2. Which city is coldest on 1 December?

Solution:

3. Which city shows little change in temperature on the two days – 1 June and 1 December?

Solution:

Rabbits in Australia:

Earlier, there were no rabbits in Australia. Rabbits were brought to Australia around the year 1780. At that time, there were no animals in Australia which ate rabbits. So the rabbits began to multiply at a very fast rate. Imagine what they did to the crops!

The table shows how rabbits grew every year.

1. After each year, the number of rabbits was

a) A little less than double the number of rabbits in the last year.

b) Double the number in the last year.

c) 8 more than the number in the last year.

d) More than double the number of rabbits in the last year.

Solution:

2. At the end of year 6, the number of rabbits was close to

a) 400

b) 600

c) 800

Solution:

3. After which year did the number of rabbits cross 1000?

Solution:

Family Tree:

Madhav went to a wedding along with his parents. He met many relatives there. But he didn’t know everyone. He met his mother’s grandfather but found that her grandmother was not alive. He also found that her mother (grandmother’s mother) is still alive and is more than a hundred years old.

Madhav got confused. He couldn’t imagine his mother’s grandmother’s mother! So, Madhav’s mother made a family tree for him, as shown below:

Madhav’s mother helped him understand her family with the help of this drawing. You can also find out about your older generations using such a family tree.

Answer the following questions:

1. How many grandparents in all does Shobna have?

Solution:

2. How many great, great grandparents in all does Madhav have?

Solution:

3. How many elders will be in the VII generation of his family?

Solution:

4. If he takes his family tree forward, in which generation will he find 128 elders?

Solution:

Growth Chart of a Plant:

Amit sowed a few seeds of moong dal in the ground. The height of the plant grew to 1.4 cm in the first four days. After that, it started growing faster.

Amit measured the height of the plant after every four days and put a dot on the chart. For example, if you look at the dot marked on the fourth day, you can see on the left side scale that it is 1.4 cm high.

Now look at the height of each dot in cm and check from the table if he has marked the dots correctly.

Find out from the growth chart:

a) Between which days did the length of the plant change the most?

i) 0-4, ii) 4-8, iii) 8-12, iv) 12-16, v) 16-20

Solution:

b) What could be the length of this plant on the 14th day? Guess.

i) 8.7 cm, ii) 9.9 cm, iii) 10.2 cm, iv) 10.5 cm

Solution:

c) Will the plant keep growing all the time? What will be its length on the 100th day? Make a guess!

Benefits of NCERT Solutions for Class 5 Maths Chapter 12

Discovering the Meaning of a Smart Chart

Speedy Clearing of Doubts

An Elementary Overview of Statistics

Acquiring the Ability to Recognise and Sort Items