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MATHEMATI C S
Shall we admire the beautiful designs in the wings of theuttery, petals of sunower and plumage of peacock?
Some more designs are given bel
Patterns arearrangements of
similar designsin a particular
order.
1. PATTERNS IN SHAPES
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M A T H E M A T I C S
Match the group with its kind.
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MATHEMATI C S
Match the animal with its shadow by drawing a line.
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M A T H E M A T I C S
Find the odd one and colour it .
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MATHEMATI C S
Draw the given patterns and enjoy doing it .
3 5 8 3 5
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M A T H E M A T I C S
Repeat the patterns as g iven.
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MATHEMATI C S
Continue the pattern by drawing the next o ne.
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M A T H E M A T I C S
Draw the next pattern.
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MATHEMATI C S
Complete the other half of the pattern.
F ower Po
Bucket Ba Po
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M A T H E M A T I C S
2. NUMBERS
Revision
Wr e t e o owng n numera s.
Seven Thirteen
N ne F teen
E even N neteen
Wr te t e o owng n wor s.
8 Eight 14
10 16
12 18
Circle the greatest number in the following.
6 13 10 7 6 8
18 7 132 9 6
16 19 14 11 9 12
Circle the smallest number in the following.
4 3 2 13 11 9
7 6 8 15 13 17
10 12 14 16 18 19
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MATHEMATI C S
What comes after ? What comes before ?
18
What comes between ?
8 105 76
13 15 2 4
18 166 8
What comes before, after and between ?
5 7 8
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MATHEMATI C S
5
Match the following.
umera s um er names
37 Forty-two
66 Eighty-one
42 Fifty
50 Thirty-seven
81 Sixty-six
Write the numerals for the following.
Fifteen Sixty
Nineteen Seventy-seven
Twenty-ve Eighty-nine
Forty-eight Ninety-ve
Fifty-three Hundred
Write the number names for the following.
16 ________________ 69 ________________
27 ________________ 76 ________________
35 ________________ 80 ________________
59 ________________ 93 ________________
61 ________________ 99 ________________
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M A T H E M A T I C S
Grouping into tens and ones.
13 ones give 1 ten 3 ones
24 ones g ve 1 ten 1 ten 4 ones2 tens an 4 ones
40 ones g ve 1 ten 1 ten 1 ten 1 ten 0 ones
4 tens an 0 ones
10 ones are equal to 1 ten
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MATHEMATI C S
7
Write the number in the box, using the abacus.
23
Tens Ones
Tens Ones
Tens Ones
Tens Ones
Tens Ones
Tens Ones
30
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M A T H E M A T I C S
Read the numbers and draw the beads in the abacus.
Tens Ones
Tens Ones
Tens Ones
Tens Ones
Tens Ones
Tens Ones
32
29
66
78
80
95
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MATHEMATI C S
9
Write the place value of the digits in the fol lowing numbers
Write in the short form.
3 tens an 2 ones
4 tens an 5 ones
7 tens and 0 ones
8 tens an 8 ones
9 tens an 7 ones
32
8 9
9 5
7 8 0
4 6
6 4
2 5
5 ones
2 tens
5 0
0 ones
5 tens
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M A T H E M A T I C S
1
23
4
0 89
7
65
Write in the expanded form.
28 = 2 tens and 8 ones
41 = tens an ones
72 = tens an ones
83 = tens an ones
90 = tens an ones
Write the place value of the underlined numbers.
9 9 ones 2
29 62 tens 4
38 7
47 8 5
53 9 9
Prepare the number cards from 0 to 9
Take any two cards and make a 2 - digit
number. Say the place value of the digits.
Repeat the activity using other cards.
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MATHEMATI C S
3. COMPARISON OF NUMBERS
We can compare the numbers as
> greater t a
< Less t an = equa to
Compare the numbers 63 and 45.
63 is greater than 45
63 > 45
Compare the numbers 39 and 54.
39 is less than 54
39 < 54
tens ones
36
tens ones
5 4
Comparing the tens place
The greater number inthe tens place is the
greater of them.
Let us learn to compare the-digit numbers using place value.
tens ones
3 9
tens ones
5 4
3 < 5
6 > 4
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MATHEMATI C S M
A T H E M A T I C S
Now compare the numbers 78 and 72.
78 is greater than 72
78 > 72
Compare the numbers 42 and 45.
42 is less than 45
42 < 45
Compare the numbers 86 and 86.
86 is equal to 86.
86 = 86.
Observe the following.
25 93 9=38 >
26 26 86 7 >=
66 33 38 2
If the numbers in tens p lace are same,then compare the numbers in ones place.
tens ones
2 4
4 = 4
ens ones
4 5
2 < 5
If the numbers intens and ones places
are the same thenthey are equal.
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MATHEMATI C S
Compare the numbers and use > or < or =
73 85 93 39
29 29 25 52
36 25 77 77
40 40 80 72
71 79 36 63
Play and Learn
Prepare the number cards from 1 to 100 as
........................ 100 2 31
and the symbol cards
he class is divided into two groups.Group 1 picks a pair of number cards.
Group 2 places the symbol card between the numbers.
Repeat the activity using other cards.
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MATHEMATI C S
Descending Order
Let us arrange t e num ers 46, 32 an 58 in descending order.
We get 58, 46, 32.
Arrange the following numbers in ascending order.
56, 37, 25 = , ,
93, 84, 81 = , ,
27, 43, 38 = , ,
75, 72, 74 = , ,
54, 63, 45 = , ,
Arrange the following numbers in descending order.
27, 35, 53 = , ,
72,86, 85 = , ,
26, 62, 22 = , ,
38, 86, 31 = , ,
46, 94, 64 = , ,
Descending order is arranging thenumbers from the greatest to thesmallest.
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MATHEMATI C S M
A T H E M A T I C S
Select any three numbers from the picture. Arrange them into ascending and descending order.Do as many sums as possible.
Prepare the number cards from 1 to 100.
........................ 100 2 31
Divide the class into two groups.
Group 1 should take any three cards.
Group 2 should arrange them in the ascending order.
Repeat the activity by changing the group.
Repeat the activity in descending order.
19
7
88
4598
61
53
6
9 7
7 0
Numbers : ____, ____, ____,
Ascending order : ____, ____, ____,
Descending order : ____, ____, ____,
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MATHEMATI C S
Odd and Even Numbers
Circle the owers in pairs.
1
2
3
4
5
6
7
8
9
10
What do you observe?From the above table, we see the numbers 2, 4, 6, 8, and 10 are
exactly paired.
T e ot er num ers 1, 3, 5, 7 an 9 are not exactly paired.
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MATHEMATI C S
Skip counting numbers.
Tinku, an active rabbit, jumps over a carrot and reaches the nextone. Where will Tinku go next?
Tick ( ) the numbers in the carrot that the rabbit skipped over.
Look at the pond where Mr. Froggi jumps and gets on a stone.here will he go next?
Circle the numbers that he skipped over.
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MATHEMATI C S M
A T H E M A T I C S
Boogee, a kangaroo hops and stops at a plant in a particular order to have her meal. Where will she go next?
Tick ( ) the numbers that she skipped over.
Let us learn skip counting on the Number Line
Skip count in 2s and circle the numbers.
Skip count in 3s and circle the numbers.
Skip count in 5s and circle the numbers.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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MATHEMATI C S
Count in 2s and circle the number.
s ng t e a ove c art,
Count n 3s an st t. 3, 6, 9, Count n 5s an st t. 5, 10, 15,
Count n 2s an st t. 11, 13, 15,
Read and write what comes next ?
8, 10, 12,
, , ,
, , ,
47, 49, 51,
, , ,
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
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MATHEMATI C S M
A T H E M A T I C S
Fill in the blanks
4, 7, 10, , ,
24, 27, 30, , ,
55, 58, 61, , ,
66, 69, 72, , ,
82, 85, 88, , ,
What comes next ?
5, 10, 15, , ,
30, 35, 40 , ,
55, 60, 65 , ,
75, 80, 85, , ,
20, 25, 30, , ,
Counting backwards
Counting backwards in 2s 14, 12, 10, 8, 6, 4, 2, 0.
Counting backwards in 3s 15, 12, 9, 6, 3, 0.
Counting backwards in 5s 15, 10, 5, 0.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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MATHEMATI C S
Read and write by counting backwards.
14, 12, 10, , ,
60, 58, 56, , ,
82, 80, 78, , ,
18, 15, 12, , ,
45, 42, 39, , ,
90, 87, 84, , ,
35, 30, 25, , , .
55, 50, 45, , ,
Do it yourself
Startng rom 50 ,count backwards in 2s, 3s, an 5s.
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M A
T H E M A T I C S
4. ADDITIONLet us recall.
3 2 5
Addition means put together or added together.
It is represented by the symbol + .
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MATHEMATI C S
Count and Add.
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M A
T H E M A T I C S
Fill the addition table
2
9
2 7
6
4
10
13
7 8
14
+
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MATHEMATI C S
Shall we add more than two 2-digit numbers ?
Add 45 + 34 + 13
Add the numbers which are in the ones place
3 ones 4 ones 5 ones 12 ones
change 12 ones 1 ten 2 ones
Wr te 2 in the ones place andcarry 1 to the tens place.
Now, add the tens
1 ten 3 tens 4 tens 1 ten 9ens.
Wr te 9 tens n t e te s place
45 + 34 + 13 = 92.
T O
3
1
Add and write the answer
T O
2
T O1 8
T O6 7
T O
4
T O
3 7
T O2 74
T O
2 7
T O
2
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M A
T H E M A T I C S
Addition with zero
5 + 0 5
Any number added to zero or zero addedto any number gives the same number
= =2 + 3 = 5 = 3 + 2
Properties of addition
Even if we change the position of the numbers,the value remains the same
= =4 + 5 = 9 = 5 +
Fill in the boxes
Add
T O
2 7
T O
2
1 + 4 = +
+ = +
+ = +
3 + 0
0 + 7
5 + 0
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MATHEMATI C S
Word Problems ( Addition )
Rav as 5 re a s an 3 green a s.
ow many balls does he have in all?
Re a s = 5
Green a s = 3
Total number of balls = 8
Ravi has 8 balls.
A ru t se er as 40 oranges an 25 apples in his shop.
ow many fruits does he have in all ?
A fruit seller has
Oranges
Apples =
Total number of fruits
Fruit Seller has fruits
ere are 19 boys and 23 girls in a class.
ow many children are there in the Class?Number of boys =
Num er o g r s
Total number of children =
T ere are children.
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M A
T H E M A T I C S
40father gave he ` 20
ore. How muchdoes she
have now?
32 children were playingn the park . 10 more
children joined them.ow many childrenwere playing?
In a Cricketmatch, Arulscored 19runs anJohn scored 24 runs.
ow many runs didboth of them score
In a bus, there were 23 men,32 women and 12 children.
ow many passengers werethere in the bus ?
In a library there are50 Tamil books and40 English books.W at s t e totanumber of books inthe library ?
In a pond, there are18 lily owers and 15lotus owers. Howmany owers arethere in the pond?
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MATHEMATI C S
In a farm, there are 20goats an 30 cows.
ow many cattle arehere in the farm?
Mind Maths
In a basket, thereare 30 mangoesan 10 ananas.
ow many fruits arethere altogether?
On Saturday, I read30 pages of a storybook. I read another 20 pages on Sunday.How many pages didI read in all?
In two queues, therewere 40 men an 50women. How many
eople were theren the queues?
60 coconut saplingsan 10 mango saplingswere planted in a farm.Find the total number of saplings in the farm?
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M A
T H E M A T I C S
Let us form addition stori es
Tell me a story for
this addition fact,
8 + 4
Umar had 8 rupees in his piggybank. He puts 4 rupees morein it. How much does he have
now?
To develop the addition skill in day-to-day life, the aboveoral activity is suggested
Teacher may give more addition facts to the children andask them to narrate the stories of their own.
Rita has 8 red bangles and 4 green bangles. Find the totalnumber of bangles she has?
Teachers Note
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MATHEMATI C S
Observe the height of the following pic tures.
Tick the taller object.
5. MEASURES OF LENGTH
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M A T H E M A T I C S
Observe the length of the following pictures.
Tick which is longer
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MATHEMATI C S
Observe the picture.
Put ( ) for the correct answer.
depth
Which is nearer to the house?School / Temple.
Which is nearer to the park?Temple / School
Which is far from the temple?Park / House
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M A T H E M A T I C S
Measure the things in the classroom by using your handspan, nger span and cubit.
The length of the table is ______
hand spans and ____ nger spans.
The length of the pencil is ______ nger spans.
The length of the blackboard is _____ cubits.
We measure the length ordistance in many ways.
Hand span Finger span Cubit
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MATHEMATI C S
he length of the cricket pitch is 22 paces.
he length of your classroom is ____ feet.
Foot Pace
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M A T H E M A T I C S
Use the following to measure the given objects.
he size of the hand andfoot differs from person
o person.
In the above activities,compare your answers
with your friends.
his may not be the same.You see some differences inmeasures. Why?
So there is a need for astandard unit of measurement.When we use standard units,the measurements would be thesame.
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MATHEMATI C S
Metre is the standard unit of length.
We measure larger lengths in metres .
We measure smaller lengths in centimetres and millimetres .
The scale has centimetres on one side.
Find out which distance is shorter.
Your house to the school. or
Your friends house to the school.
e uy c ot y measur ng tsengt n metres.
A tailor takes measures of lengthto stitch a shirt in centimetres
Do you know?
The longest bone in the human bodys t e t g one.
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M A T H E M A T I C S
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