03

Look at the Ginladi.

A. How many beads are there in ginladi?

B. There are some blank cards on the ginladi. Write the numbers on them by counting the number of beads.

C. Make number cards for the following numbers and place them on your ginladi. 38, 44, 58, 65, 98

Look at the number strip and fill in the blanks.

A. The butterfly moves steps forward to reach the pink flower.

B. The honey bee moves steps forward to reach the red flower and steps forward to reach the yellow flower.

C. The squirrel jumps 2 steps backward, five steps forward and again 3 steps backward. It will reach at .

D. The frog jumps 2 steps forward, seven steps backward and again 3 steps backward to reach .

Let us Play

Guess 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.

30!
Is it more than 40? Does it have zero as a digit?
Is it less than 20?

Guess my Place

Three ants are sitting on a number line. Write the numbers for these ants.

Black ant is sitting on the number

Red ant is sitting on the number

Brown ant is sitting on the number

Draw an ant on number 65 on the number line shown above.

Draw a sugar cube on number 79 on the number line shown above.

Look! How Jumpy, the frog is jumping. Do you observe a pattern here?

Complete the following patterns.

A. 1, 4, 7, , , ,

B. 40, 45, 50, , , , ,

C. 50, 60, , ,

Let us Do

A. 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.

B. Write down the numbers that are common to the skips in twos and fives.

C. Write down the numbers that are common to the skips in twos, threes and fives.

D. Write down the numbers common to the skips of fives and sevens?

1	2	3	4	5	6	7	8	9	10
11	12	13	14	15	16	17	18	19	20
21	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

Jump 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?

B. Jump and find out if you start at 5 and count in fives, will you jump on number 40 at any time?

C. If you start from 0 and count in fives, will you jump on number 55 at any time?

D. If you start from 4 and count in twos, will you jump on number 17 at any time?

E. If you start from 13 and count in threes, will you jump on number 24 at any time?

Let us jump backward.

Complete the following patterns.

What comes just before 10?

What comes just before 9?

10, 9, 8,

A. 40, 37, 34,

B. 70, 65, 60,

C. 100, 90,

D. 100, 80,

Is there a pattern in the given numbers? If not, change the numbers to create a pattern. Also, extend it.

100, 90, 80, 70, 60,

Let us Talk

A. Rizwan is counting numbers from 20 onwards. Will he say the number 19 in his count? Explain why?

B. Chavi is counting numbers in twos from 10 onwards. Will she say 43? Explain why?

C. Mala is counting backwards from 20. How many steps will it take to reach 0? Explain why?

D. Viraaj is counting backwards in twos from 20. How many steps will it take to reach 0? Discuss.

Patterns in Number Chart

Let us Do

Look at the number chart and write down the answers.

comes just before 10

comes just before 20

comes just before 30

comes just before 40

Do you see any pattern? Shade the numbers on the number chart. Does the pattern continue for other numbers? If yes, write the pattern.

, , , , , , , , ,

Now, look at the numbers coloured green in the number chart. Write them.

1, 12, 23, , , , , , ,

What pattern do you notice? Discuss.

Lakshanya 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?

B. Which number will be below it?

C. Which number will be on its right?

D. Which number will be on its left?

E. Let us do it for other numbers.

F. Based on the same number grid fill the missing numbers.

Exploring Patterns

Observe how the number of blocks are increasing in the following shapes and extend the pattern.

A.

B.

C.

Let us Play — Bingo!

Make 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!

Encourage children to develop their strategy for selecting the numbers to be written on the grid.