1. Collect HW – Compound Shapes
PG 154 Ex 7e 1-4

2. What do all of these numbers have in common? They are square numbers!
Starter
Find the AREA of the following SQUARES:
What do all of these numbers have in common?
25cm²
5cm
9mm
81mm²
They are square numbers!
49m² 7m
4cm²
2cm

3. Which number is
a square number?
a). 36
b). 18
c). 80
d). 14

4. Square Numbers Area of Square
Square Roots
Sides of Square
Area =
3 x 3
= 3²
= 9 3²
Square 3 9
Square root √9

5. Square numbers and Square roots4
2 x 2 = 2 9
3 x 3 = 3
Make the pictures larger and print them off. Use as a board sort as they enter the room. 16
4 x 4 = 4 25
5 x 5 = 5 5

6. Square Roots Find the square roots of these numbers: 49 81 𝟒𝟗 = 7 36 425
144
𝟒𝟗 = 7
𝟖𝟏 = 9
𝟑𝟔 = 6
𝟒 = 2
𝟐𝟓 = 5
𝟏𝟒𝟒 = 12

7. SQUARING AND SQUAREROOTING
√𝟓 = 2.24
2.12 = 2.1 x 2.1 = 4.41
The process of finding the square of a number and finding the square root of a number can be applied to any number
However the known square numbers remain the answers to squaring the natural numbers
1, 4, 9, 16, 25, 36, 49 ….

8. Square and Square Root BINGO
Copy 9 of these numbers in a 3 x 3 GRID
BINGO is just about LUCK
THE WINNER OF THE HOUSE WINS 
Square and Square Root BINGO 11
5.66
400
101 49
2.45
1.44
0.0036
89.4
4.90
22.4
3.35
0.04 12
0.25
3.13
8.94
160000
6.20

9. Find the Value of
(0.2)2

10. Find the Value of
(0.5)2

11. Find the Value of
𝟖𝟎𝟎𝟎

12. Find the Value of
(0.06)2

13. Find the Value of 𝟑𝟐

14. Find the Value of 𝟖𝟎

15. Find the Value of
(1.2)2

16. Find the Value of
𝟏𝟒𝟒

17. Find the Value of
𝟑𝟖.𝟒

18. Find the Value of
70002

19. Find the Value of 𝟐𝟒

20. Find the Value of
202

21. Find the Value of
4002

22. Find the Value of
𝟓𝟎𝟎

23. Find the Value of
𝟗.𝟖

24. Find the Value of 72

25. Find the Value of
𝟏𝟎 𝟑𝟎𝟎

26. Find the Value of
𝟏𝟏.𝟐

27. Find the Value of
𝟏𝟐𝟏

28. Find the Value of 𝟔

29. Homework : Squares & Square roots
Pg Ex 7c 7,8,16,20,33,35,44,47