With the help of a Joyful Mathematics Class 1 Solutions Chapter 5 How Many? (Addition and Subtraction of Single Digit Numbers) students can tackle challenging problems with confidence.

## Joyful Mathematics Class 1 NCERT Solutions Chapter 5 How Many? (Addition and Subtraction of Single Digit Numbers)

Tell How many Altogether? Fill in the Blanks. (Page 49)

Answer:

Add and Draw. (Page 50)

Answer:

Let Us Count (Page 50)

A. How many brothers and sisters do your parents have altogether?

Answer:

Do it yourself.

B. How many family members do you and your friend have altogether?

Answer:

Do it yourself.

C. How many fingers do you have in both your hands and feet?

Answer:

20

D. How many numbers can you count on your fingers?

Answer:

10

Count and write the total number of fingers. (Page 51)

Answer:

Let Us Do (Page 52)

Kishore and Nitya also played the same game and here are their dots on the dice. Find out how many times Kishore won and how many times Nitya won by putting them on their scoreboard.

Answer:

Beads and String (Page 53)

Colour the beads in the string as per the numbers given below and find the total number of coloured beads.

Answer:

Hop and Find the Sum

Answer:

Add in Your Way (Page 55)

Abdul and Rihana are adding numbers in two different ways. Help them to find the sum.

Answer:

Let Us Do (Page 56)

A. Fill up the number pairs.

Answer:

B. Add and match the following:

Answer:

Project Work (Page 56)

Answer:

Addition Story

Answer:

Let us see what we have in our bags.

Do it with your friend and write down the answers below:

A. I have _________ books in my bag and my friend has _________ books. We both have _________ books in all.

B. I have _________ pencils and my friend has _________ pencils. We have _________ pencils altogether.

C. I have _________ notebooks and my friend has _________ notebooks. We have _________ notebooks in total.

Answer:

Do it yourself.

Think and Do (Page 57)

Write the numbers 1, 2, and 3 in the given table in a way as shown by the dotted lines so that each way adds up to 6.

Answer:

Let Us Talk (Page 59)

A. How many children are there on the bus at the beginning?

Answer:

5

B. How many children get down from the bus on the first stand?

Answer:

1

C. How many children are left on the bus after the first stop?

Answer:

4

D. How many children are left after the second stand? Answer the same for the third, fourth, and fifth stand.

Answer:

3

Left after the third stand = 2

Left after the fourth stand = 1

Left after the fifth stand = 0

E. How many children are left on the bus at the end?

Answer:

No children.

Let Us Do (Page 60)

How Many are Left?

A. Fill in the blanks.

Answer:

B. Draw the objects that are being left and fill in the blanks.

Answer:

C. Answer the following questions:

Answer:

Let Us Do (Page 62)

Make your own ten dots card and hide a few dots from your friends. Ask them how many dots are hidden.

How many dots are hidden and how many dots are visible?

Answer:

**Project Work**

Ask children to make a frame with 8 dots. Now hide a few dots using their hands or handkerchiefs and see how many dots are hidden and how many are visible. Is there any pattern in the numbers? Extend this activity for other numbers. Is it possible to do this without hiding the dots?

Hop backward on the number strip.

A. Jump 3 steps back from 9.

Answer:

9 – 3 = 6

B. Jump 4 steps back from 7.

Answer:

7 – 4 = 3

Do the subtraction in your way.

A. 8 – 2 = _________

B. 7 – 3 = _________

C. 9 – 5 = _________

D. 6 – 3 = _________

E. 5 – 1 = _________

F. 4 – 2 = _________

Answer:

A. 8 – 2 = 6

B. 7 – 3 = 4

C. 9 – 5 = 4

D. 6 – 3 = 3

E. 5 – 1 = 4

F. 4 – 2 = 2