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NCERT: Math-Magic Solutions for Class-2, Chapter-4: Counting in Tens

**Counting in Tens** deals with counting of numbers in tens.

This chapter have exercises on:

Grouping and counting numbers in tens |
Skip counting in tens |

Grouping and counting numbers in tens |
Skip counting in tens |

The solutions for Math-Magic Chapter-4 have been created and verified by our experienced
subject matter experts, according to the **CBSE syllabus and guidelines of NCERT. **
For practice, our subject matter experts have created very interactive, activity-based, and Image-based worksheets
on these topics to enhance learning.

**Chapter 4: Counting in Tens**

**Chickens and the Clever Fox**

**Question 1 : **In the morning, she counted her chickens.

How many baskets of 10 chickens are there?

**Answer : **
Observe the given picture.

There are 10 chickens in each basket. Now,
count the number of baskets. There are 5 such baskets in all.

**Question 2 : **How many chickens are there in all?

50 + 4 = ………………………………………………………………

**Answer : **
There are 5 boxes of 10 chickens. It represents 5 tens. 5 tens represent the number 50. So, 5 baskets have 50 chickens.

In the given picture, there are 4 chickens outside the baskets. It represents 4 ones. Add 50 and 4.

50 + 4 = 54

In the morning, there are 54 chickens in all.

**Question 3 : **In the evening, she counted the chickens again.

There are ………… baskets of 10 chickens.

**Answer : **
Count the number of baskets in the given picture. There are 4 baskets of 10 chickens.

**Question 4 : **There are ………… + 3 = ………… chickens in all.

**Answer : **
There are 4 groups of 10 chickens. It represents 4 tens. 4 tens represent the number 40. So, 4 baskets have 40 chickens.

In the picture, there are 3 chickens outside the baskets. It represents 3 ones. Add 40 and 3.

40 + 3 = 43

There are 43 chickens in all.

**Question 5 : **54 – ………… = ………… chickens have been eaten by the fox.

**Answer : **
In the morning, there were 54 chickens in all. In the evening, there were 43 chickens left.

Subtract 43 from 54.

54 – 43 = 11

So, 11 chickens were missing. 11 chickens have been eaten by the fox.

**How Many are These?**

**Question 6 : **

3 bundles have ………… sticks.

**Answer : **
Bhanu uses10 sticks to make 1 bundle. There are 3 bundles of 10 sticks. It represents 3 tens, and 3 tens represent the number 30.
So, 3 bundles have 30 sticks.

**Question 7 : **
Now, how many sticks in all are these?

………… sticks in all.

**Answer : **
Count the number of bundles and number of individual sticks in the third box in the given picture.

There are 3 bundles of 10 sticks that represent 3 tens, and 9 individual sticks that represent 9 ones.

3 tens and 9 ones represent the number 39. So, there are 39 sticks in all.

**Question 8 : **
4 bundles would have ………… sticks.

**Answer : **
In each bundle, there are 10 sticks. 4 bundles of 10 sticks represent 4 tens, and 4 tens represent the number 40.
So, 4 bundles would have 40 sticks.

**Question 9 : **
There is a wedding in Malti's house. She is making flower garlands.

She uses 10 flowers to make 1 garland.

So, there are ………… flowers in all.

**Answer : **
One garland has 10 flowers. There are 5 garlands of 10 flowers and 8 individual flowers.

Five garlands of 10 flowers represents 5 tens. 8 individual flowers represent 8 ones. 5 tens and 8 ones represent the number 58.

So, there are 58 flowers in all.

**Question 10 : **

………… flowers in all.

**Answer : **
One garland has 10 flowers. There are 6 garlands and 7 individual flowers. Six garlands of 10 flowers represents 6 tens. 7 individual flowers represent 7 ones.

6 tens and 7 ones represent the number 67. So, there are 67 flowers in all.

**Question 11 : **How many garlands of 10 flowers each can you make using 21 flowers? Draw them.

**Answer : **
2 tens and 1 ones represent the number 21. You need to draw 2 garlands of 10 flowers each and 1 individual flower to make 21 flowers in total. The correct answer is:

**Question 12 : **

How many packets of 10 pencils are there? …………

**Answer : **
Observe the given picture. There are 10 pencils in each packet. Count the number of packets. There are 6 packets of 10 pencils in total.

**Question 13: **How many pencils are outside the packets? …………

**Answer : **
Observe the given picture carefully and count the number of pencils outside the packets.
On the table, 4 pencils are outside the packets.

**Question 14 : **
So, altogether there are ………… pencils.

**Answer : **
There are 6 packets of 10 pencils each, that represent 6 tens. 4 pencils are outside the packets, that represent 4 ones.

6 tens and 4 ones represent the number 64.

So, altogether there are 64 pencils.

**Question 15 : **
Kanak likes collecting different kinds of *bindis.*

Each packet has 3 + 4 + 3 bindis.

How many packets does she have? …………

**Answer : **
Count the number of packets in the given picture carefully. There are 7 packets of bindis.

So, she has 7 packets.

**Question 16 : **So how many in all? …………

**Answer : **
She has 7 packets of *bindis.*

It is given that each packet has 3 + 4 + 3 *bindis.*

3 + 4 + 3 = 10

There are 7 packets of 10 *bindis* that represent 7 tens.

7 tens represent the number 70.

So, there are 70 *bindis* in all.

**Question 17 : **Now you draw 10 in a different way.

**Answer : **
Try yourself and answer this question.