Introduction of square numbers

UNIT−2

NUMBERS

Introduction of square numbers.

To understand the meaning of square numbers.

Square numbers end with digits 0, 1, 4, 6, 9 or 25.

4 : 2² or 2 × 2 =4

9 : 3² or 3 × 3= 9

16 : 4² or 4 × 4 =16

25 : 5² or 5 × 5 = 25

36 : 6² or 6 × 6 = 36

Definition:

A square number is multiplied by the same number.

Try this

Activity: 1

A. Count and write the number of boxes:

Activity: 2

B. Circle and Colour the square numbers:

Activity: 3

Let’s draw and enjoy: (Using grid sheet or Graph sheet)

Activity: 4

Teacher shall prepare to sets of cards. One set with numbers 1 to 9 and another set with their square numbers (1, 4, 9, 16,...) and keep them in two seperate bowls.

Teacher shall call a child randomly and ask the child to pick a card from first bowl and it has to be shown to the class.

Now the child has to pick the square of that number from the second bowl. If the child finds the correct card that child can be considered as winner.

WORK SHEET

I. Answer the following:

1. The square number of 2 is 4

2. The square number of 5 is 25

3.  These number of boxes is equal to one square number. The number is 9

4. Which of following number is square number 36

a. 23

b. 54

c. 36

d. 45

Answer: c. 36

5. What is next square number of 49?

a. 76

b. 95

c. 64

d. 54

Answer: c. 64