NCERT Solutions for Class 2 Maths Chapter 3 Fun with Numbers (PDF) – 2027
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NCERT Solutions for Class 2 Maths Joyful Mathematics Chapter 3 Fun with Numbers – step-by-step answers to every exercise and in-text question of the chapter, as per the latest NCERT syllabus for 2027. Read them online or download the free question-answer PDF.
This chapter is about numbers up to 100. We count on, count back and find patterns.
NCERT Solutions for Class 2 Maths Joyful Mathematics Chapter 3 Fun with Numbers PDF
All the answers are on this page below. The PDF also explains every answer – why it is right and how to check it – so download it for revision.
NCERT Solutions for Class 2 Maths Joyful Mathematics Chapter 3 Fun with Numbers – Questions and Answers
All 67 questions of the chapter (textbook pages 23 – 31) are answered below, in the order of the book – in-text questions, activities and the end-of-chapter exercises. Each answer is written the way you would write it in the exam.
In-text Questions — Page 23Look at the Ginladi · Look at the number strip
Q1Look at the Ginladi. A. How many beads are there in ginladi? ______The ginladi: yellow and blue beads on one string. One card says 22.
Q2Look at the Ginladi. B. There are some blank cards on the ginladi. Write the numbers on them by counting the number of beads.The ginladi: yellow and blue beads on one string. One card says 22.
Answer
The blank cards say 36, 48, 56, 79 and 85.
Each card shows how many beads come before it.
Card 22 hangs after bead 22.
Count on in tens, then in ones. Stop at each card.
Q3Look at the Ginladi. C. Make number cards for the following numbers and place them on your ginladi. 38, 44, 58, 65, 98The ginladi: yellow and blue beads on one string. One card says 22.
Answer
Hang each card after that many beads.
38: 3 tens and 8 more beads.
44: 4 tens and 4. 58: 5 tens and 8.
65: 6 tens and 5. 98: 9 tens and 8.
Q4Look at the number strip and fill in the blanks. A. The butterfly moves _________ steps forward to reach the pink flower.The number strip from 49 to 100.
Answer
The butterfly moves 6 steps forward to reach the pink flower.
The butterfly is on 52. The pink flower is on 58.
Count on: 53, 54, 55, 56, 57, 58. That is 6.
Q5Look at the number strip and fill in the blanks. B. The honey bee moves _________ steps forward to reach the red flower and _________ steps forward to reach the yellow flower.The number strip from 49 to 100.
Answer
The honey bee moves 5 steps to the red flower and 10 steps to the yellow flower.
Bee on 78, red flower on 83: 79, 80, 81, 82, 83.
Yellow flower on 88. 78 to 88 is 10.
Q6Look at the number strip and fill in the blanks. C. The squirrel jumps 2 steps backward, five steps forward and again 3 steps backward. It will reach at _________.The number strip from 49 to 100.
Answer
It will reach at 95.
Start at 95.
2 steps back: 94, 93.
5 steps forward: 94, 95, 96, 97, 98.
3 steps back: 97, 96, 95.
Q7Look at the number strip and fill in the blanks. D. The frog jumps 2 steps forward, seven steps backward and again 3 steps backward to reach _________.The number strip from 49 to 100.
Answer
The frog reaches 60.
Start at 68.
2 steps forward: 69, 70.
7 steps back: 69, 68, 67, 66, 65, 64, 63.
3 steps back: 62, 61, 60.
Let us Play — Page 24Guess my Number · Guess my Place
Q1Guess my Number A child thinks of a number and other children have to guess it. Children will ask questions like, is it more than 50? Are the two digits of the number same? Questions that can be answered in ‘yes/no’. They can ask maximum 10 questions to guess the number.
Answer
Sample game (the number is 30):
Is it more than 50? No.
Is it more than 20? Yes.
Is it more than 35? No.
Does it have 0 as a digit? Yes.
So it is 30!
Q2Is it more than 40? Does it have zero as a digit?The girl thinks of 30. Her friends ask yes/no questions.
Answer
No. Yes.
The girl thinks of 30.
30 is less than 40. So, no.
30 has the digits 3 and 0. So, yes.
Q3Is it less than 20?The girl thinks of 30. Her friends ask yes/no questions.
Answer
No.
The girl thinks of 30.
20 comes before 30.
So 30 is more than 20.
Q4Guess my Place Three ants are sitting on a number line. Write the numbers for these ants. Black ant is sitting on the number ______Three ants on a number line from 20 to 80.
Answer
The black ant is on 30.
The marks go 20, 30, 40, 50, 60, 70, 80.
Count the marks from 20: 20, 30. The black ant is on 30.
Q5Guess my Place Three ants are sitting on a number line. Write the numbers for these ants. Red ant is sitting on the number ______Three ants on a number line from 20 to 80.
Answer
The red ant is on 50.
The marks go 20, 30, 40, 50, 60, 70, 80.
Count the marks from 20: 20, 30, 40, 50. The red ant is on 50.
Q6Guess my Place Three ants are sitting on a number line. Write the numbers for these ants. Brown ant is sitting on the number ______Three ants on a number line from 20 to 80.
Answer
The brown ant is on 60.
The marks go 20, 30, 40, 50, 60, 70, 80.
Count the marks from 20: 20, 30, 40, 50, 60. The brown ant is on 60.
Q7Guess my Place Three ants are sitting on a number line. Write the numbers for these ants. Draw an ant on number 65 on the number line shown above.Three ants on a number line from 20 to 80.
Answer
Draw the ant halfway between 60 and 70.
The new ant sits on 65. The sugar cube sits on 79.
65 is 5 more than 60.
65 is 5 less than 70. So it is in the middle.
Q8Guess my Place Three ants are sitting on a number line. Write the numbers for these ants. Draw a sugar cube on number 79 on the number line shown above.Three ants on a number line from 20 to 80.
Answer
Draw the cube just before 80.
The new ant sits on 65. The sugar cube sits on 79.
79 is 1 less than 80.
So draw it a little to the left of 80.
In-text Questions — Page 25Jumpy the frog · Complete the following patterns
Q1Look! How Jumpy, the frog is jumping. Do you observe a pattern here?Jumpy starts at 2 and jumps.Jumpy starts at 3 and jumps.
Answer
Yes.
Top line: Jumpy jumps 2 at a time: 2, 4, 6 … 20.
Bottom line: he jumps 3 at a time: 3, 6, 9, 12, 15, 18.
Q2Complete the following patterns. A. 1, 4, 7, _______, _______, _______, _______The frog shows the first jumps.
Answer
1, 4, 7, 10, 13, 16, 19
1 to 4 is 3 jumps.
4 to 7 is also 3 jumps.
Keep jumping 3: 10, 13, 16, 19.
Q3Complete the following patterns. B. 40, 45, 50, _______, _______, _______, _______, _______The frog shows the first jumps.
Answer
40, 45, 50, 55, 60, 65, 70, 75
40 to 45 is 5 more.
Keep jumping 5.
The ones digit goes 0, 5, 0, 5.
Q4Complete the following patterns. C. 50, 60, _______, _______, _______The frog shows the first jumps.
Answer
50, 60, 70, 80, 90
50 to 60 is 10 more.
Keep jumping 10.
Only the tens digit changes.
Let us Do — Page 26Skip counting on the number chart · Jump and find the answers
Q1A. On the number chart, use skip counting in two and draw ● on the numbers. Now use skip counting in five and draw ▲ on the numbers in the number chart.The number chart. The first marks are drawn for you.
Answer
○ on 2, 4, 6, 8 … 100. △ on 5, 10, 15, 20 … 100.
○ on skips of two. △ on skips of five.
Twos: skip 1 number each time.
Fives: skip 4 numbers each time.
Q2B. Write down the numbers that are common to the skips in twos and fives. ___________________________The number chart. The first marks are drawn for you.
Answer
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
Look for numbers with ○ and △ both.
They are all in the last column.
Q3C. Write down the numbers that are common to the skips in twos, threes and fives. ___________________________The number chart. The first marks are drawn for you.
Answer
30, 60, 90
Skip in threes: 3, 6, 9 … 30 … 60 … 90.
Which of these have ○ and △ too?
Only 30, 60 and 90.
Q4D. Write down the numbers common to the skips of fives and sevens? ___________________________The number chart. The first marks are drawn for you.
Q5Jump and find the answers. Write ‘Yes’ or ‘No’. Make a number line on the ground and jump on it. A. If you start from 10 and jump counting in tens, will you land on number 100 at any time?
Answer
Yes
Jump: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100.
Q6Jump and find the answers. Write ‘Yes’ or ‘No’. Make a number line on the ground and jump on it. B. Jump and find out if you start at 5 and count in fives, will you jump on number 40 at any time?
Answer
Yes
Jump: 5, 10, 15, 20, 25, 30, 35, 40.
Q7Jump and find the answers. Write ‘Yes’ or ‘No’. Make a number line on the ground and jump on it. C. If you start from 0 and count in fives, will you jump on number 55 at any time?
Q8Jump and find the answers. Write ‘Yes’ or ‘No’. Make a number line on the ground and jump on it. D. If you start from 4 and count in twos, will you jump on number 17 at any time?
Answer
No
Jump: 4, 6, 8, 10, 12, 14, 16, 18.
Q9Jump and find the answers. Write ‘Yes’ or ‘No’. Make a number line on the ground and jump on it. E. If you start from 13 and count in threes, will you jump on number 24 at any time?
Answer
No
Jump: 13, 16, 19, 22, 25.
In-text Questions — Page 27Let us jump backward
Q1Let us jump backward. Complete the following patterns. What comes just before 10?The frog jumps back along the line.
Answer
9 comes just before 10.
Find 10 on the line.
Take one step back.
Q2Let us jump backward. Complete the following patterns. What comes just before 9?The frog jumps back along the line.
Answer
8 comes just before 9.
Find 9 on the line.
Take one step back.
Q3Let us jump backward. Complete the following patterns. 10, 9, 8, ___, ___, ___, ___, ___, ___, ___The frog jumps back along the line.
Answer
10, 9, 8, 7, 6, 5, 4, 3, 2, 1
Each jump goes 1 back.
Keep counting back from 8.
Q4Let us jump backward. Complete the following patterns. A. 40, 37, 34, ___, ___, ___, ___, ___, ___, ___, ___The frog jumps back along the line.
Answer
40, 37, 34, 31, 28, 25, 22, 19, 16, 13, 10
40 to 37 is 3 back.
Keep jumping 3 back.
From 34: 33, 32, 31. Then again.
Q5Let us jump backward. Complete the following patterns. B. 70, 65, 60, ___, ___, ___, ___, ___, ___The frog jumps back along the line.
Answer
70, 65, 60, 55, 50, 45, 40, 35, 30
70 to 65 is 5 back.
Keep jumping 5 back.
Q6Let us jump backward. Complete the following patterns. C. 100, 90, ___, ___, ___The frog jumps back along the line.
Answer
100, 90, 80, 70, 60
100 to 90 is 10 back.
Keep jumping 10 back.
Q7Let us jump backward. Complete the following patterns. D. 100, 80, ___, ___The frog jumps back along the line.
Answer
100, 80, 60, 40
100 to 80 is 20 back.
That is two jumps of ten.
So: 80, 60, 40.
Q8Is there a pattern in the given numbers? If not, change the numbers to create a pattern. Also, extend it. 100, 90, 80, 70, 60, ___, ___, ___
Answer
Yes, there is a pattern. 100, 90, 80, 70, 60, 50, 40, 30
Each number is 10 less.
So no change is needed.
Keep going: 50, 40, 30.
Let us Talk — Page 28Counting on and counting back
Q1A. Rizwan is counting numbers from 20 onwards. Will he say the number 19 in his count? Explain why?
Answer
No.
Rizwan starts at 20.
He says 21, 22, 23 and on.
19 comes before 20.
Q2B. Chavi is counting numbers in twos from 10 onwards. Will she say 43? Explain why?
Answer
No.
Chavi says 10, 12, 14 … 40, 42, 44.
She jumps from 42 to 44.
43 is left out.
Q3C. Mala is counting backwards from 20. How many steps will it take to reach 0? Explain why?
Answer
20 steps.
Mala says 19, 18, 17 … 2, 1, 0.
Each number is one step.
Count the steps: 20.
Q4D. Viraaj is counting backwards in twos from 20. How many steps will it take to reach 0? Discuss.
Answer
10 steps.
Viraaj says 18, 16, 14, 12, 10, 8, 6, 4, 2, 0.
Count the numbers he says: 10.
Let us Do — Page 29Patterns in the number chart · Number window
Q1Look at the number chart and write down the answers. ______ comes just before 10The number chart. Some numbers are coloured green.
Answer
9 comes just before 10.
Find 10 on the chart.
Look at the box on its left.
Q2Look at the number chart and write down the answers. ______ comes just before 20The number chart. Some numbers are coloured green.
Answer
19 comes just before 20.
Find 20 on the chart.
Look at the box on its left.
Q3Look at the number chart and write down the answers. ______ comes just before 30The number chart. Some numbers are coloured green.
Answer
29 comes just before 30.
Find 30 on the chart.
Look at the box on its left.
Q4Look at the number chart and write down the answers. ______ comes just before 40The number chart. Some numbers are coloured green.
Answer
39 comes just before 40.
Find 40 on the chart.
Look at the box on its left.
Q5Do you see any pattern? Shade the numbers on the number chart. Does the pattern continue for other numbers? If yes, write the pattern. ____, ____, ____, ____, ____, ____, ____, ____, ____, ____The number chart. Some numbers are coloured green.
Answer
Yes. 9, 19, 29, 39, 49, 59, 69, 79, 89, 99
The shaded numbers all end in 9.
9, 19, 29 and 39 are in one column.
Go down that column. One box down is 10 more.
Q6Now, look at the numbers coloured green in the number chart. Write them. 1, 12, 23, ____, ____, ____, ____, ____, ____, ____The number chart. Some numbers are coloured green.
Answer
1, 12, 23, 34, 45, 56, 67, 78, 89, 100
Start at 1.
Go one box down and one box right.
Read the green number there. Repeat.
Q7What pattern do you notice? Discuss.The number chart. Some numbers are coloured green.
Answer
The green numbers make a slanting line.
They go from top left to bottom right.
Both digits go up by 1 each time: 12, 23, 34 …
Q8Lakshanya made a number window and placed it on the number chart as shown below. A. If the centre of the window is placed on 28, which number will be on the top of it? ______Lakshanya’s number window on the chart. Its centre is on 28.
Answer
18
That box says “10 less”.
10 less than 28 is 18.
Q9Lakshanya made a number window and placed it on the number chart as shown below. B. Which number will be below it? ______Lakshanya’s number window on the chart. Its centre is on 28.
Answer
38
That box says “10 more”.
10 more than 28 is 38.
Q10Lakshanya made a number window and placed it on the number chart as shown below. C. Which number will be on its right? ______Lakshanya’s number window on the chart. Its centre is on 28.
Answer
29
That box says “1 more”.
1 more than 28 is 29.
Q11Lakshanya made a number window and placed it on the number chart as shown below. D. Which number will be on its left? ______Lakshanya’s number window on the chart. Its centre is on 28.
Answer
27
That box says “1 less”.
1 less than 28 is 27.
In-text Questions — Page 30Number window: more numbers · Fill the missing numbers
Q1E. Let us do it for other numbers.A number window with its centre filled.
Answer
Top 43, left 52, right 54, bottom 63.
The number window, filled in.
Top: 10 less. Bottom: 10 more.
Left: 1 less. Right: 1 more.
Q2E. Let us do it for other numbers.A number window with its centre filled.
Answer
Top 16, left 25, right 27, bottom 36.
The number window, filled in.
Top: 10 less. Bottom: 10 more.
Left: 1 less. Right: 1 more.
Q3E. Let us do it for other numbers.A number window with its centre filled.
Answer
Top 64, left 73, right 75, bottom 84.
The number window, filled in.
Top: 10 less. Bottom: 10 more.
Left: 1 less. Right: 1 more.
Q4F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Answer
9, 17, 18, 28
The missing numbers, filled in.
Start at the green box: 8.
Right: 1 more. Left: 1 less.
Down: 10 more. Up: 10 less.
Q5F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Answer
48, 49, 58, 59, 68, 69
The missing numbers, filled in.
Start at the green box: 57.
Right: 1 more. Left: 1 less.
Down: 10 more. Up: 10 less.
Q6F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Answer
36, 45, 47, 55, 56
The missing numbers, filled in.
Start at the green box: 46.
Right: 1 more. Left: 1 less.
Down: 10 more. Up: 10 less.
Q7F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Answer
68, 70, 79, 89
The missing numbers, filled in.
Start at the green box: 69.
Right: 1 more. Left: 1 less.
Down: 10 more. Up: 10 less.
Q8F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Answer
26, 27, 36, 37, 38
The missing numbers, filled in.
Start at the green box: 16.
Right: 1 more. Left: 1 less.
Down: 10 more. Up: 10 less.
Q9F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Answer
22, 23, 24, 42, 43, 44
The missing numbers, filled in.
Start at the green box: 32.
Right: 1 more. Left: 1 less.
Down: 10 more. Up: 10 less.
Q10F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Answer
64, 75, 85, 86
The missing numbers, filled in.
Start at the green box: 65.
Right: 1 more. Left: 1 less.
Down: 10 more. Up: 10 less.
Q11F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Answer
38, 46, 48, 56, 57, 58
The missing numbers, filled in.
Start at the green box: 36.
Right: 1 more. Left: 1 less.
Down: 10 more. Up: 10 less.
Q12F. Based on the same number grid fill the missing numbers.Boxes cut from the number chart.
Q1Exploring Patterns Observe how the number of blocks are increasing in the following shapes and extend the pattern. A. ________ ________The shapes as printed, with the number of blocks.
Answer
10, 15
The next two shapes.
It grows by 2, then by 3.
Next add 4: 6 + 4 = 10.
Then add 5: 10 + 5 = 15.
Q2Exploring Patterns Observe how the number of blocks are increasing in the following shapes and extend the pattern. B. ________ ________The shapes as printed, with the number of blocks.
Answer
16, 25
The next two shapes.
Next, 4 rows of 4: 4, 8, 12, 16.
Then 5 rows of 5: 5, 10, 15, 20, 25.
Q3Exploring Patterns Observe how the number of blocks are increasing in the following shapes and extend the pattern. C. ________ ________The shapes as printed, with the number of blocks.
Answer
11, 14
The next two shapes.
5, then 8. That is 3 more.
Add 3 again: 11.
Add 3 again: 14.
Let us Play — Bingo! — Page 31A game of adding the dots on two dice
Q1Make a 3 × 4 grid for playing ‘Bingo’. Fill the boxes of the grid with any number from 2 to 12. Numbers can be repeated. Let one child throw two dice and say the sum of the numbers of dots on the dice. Other children will cross the number on their grid. Continue this till child crosses all the numbers. Bingo!A 3 × 4 Bingo grid.
